./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 e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/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_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be --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 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:08:56,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:08:56,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:08:56,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:08:56,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:08:56,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:08:56,192 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:08:56,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:08:56,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:08:56,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:08:56,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:08:56,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:08:56,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:08:56,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:08:56,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:08:56,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:08:56,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:08:56,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:08:56,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:08:56,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:08:56,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:08:56,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:08:56,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:08:56,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:08:56,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:08:56,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:08:56,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:08:56,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:08:56,254 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:08:56,255 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:08:56,257 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:08:56,258 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:08:56,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:08:56,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:08:56,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:08:56,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:08:56,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:08:56,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:08:56,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:08:56,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:08:56,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:08:56,268 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 19:08:56,301 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:08:56,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:08:56,301 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:08:56,302 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:08:56,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:08:56,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:08:56,303 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:08:56,304 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:08:56,304 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:08:56,304 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:08:56,306 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:08:56,306 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:08:56,306 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:08:56,307 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:08:56,307 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:08:56,307 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:08:56,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:08:56,307 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:08:56,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:08:56,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:08:56,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:08:56,308 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:08:56,308 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:08:56,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:08:56,309 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:08:56,309 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:08:56,309 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:08:56,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:08:56,310 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:08:56,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:08:56,310 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:08:56,311 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:08:56,312 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:08:56,312 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_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 970cab0a23b690f163a0a51afef8881644c6447187bc11bbe1f60a2a40cf01a7 [2021-10-21 19:08:56,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:08:56,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:08:56,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:08:56,621 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:08:56,622 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:08:56,623 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2021-10-21 19:08:56,700 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/data/bfab9b00c/2635a420018644b88fb6d49dacafdfb9/FLAGf6b6a9ccf [2021-10-21 19:08:57,233 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:08:57,234 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/sv-benchmarks/c/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2021-10-21 19:08:57,245 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/data/bfab9b00c/2635a420018644b88fb6d49dacafdfb9/FLAGf6b6a9ccf [2021-10-21 19:08:57,547 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/data/bfab9b00c/2635a420018644b88fb6d49dacafdfb9 [2021-10-21 19:08:57,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:08:57,552 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:08:57,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:08:57,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:08:57,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:08:57,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:08:57" (1/1) ... [2021-10-21 19:08:57,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50fafd1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:08:57, skipping insertion in model container [2021-10-21 19:08:57,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:08:57" (1/1) ... [2021-10-21 19:08:57,570 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:08:57,592 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:08:57,782 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_509670f9-a5aa-4300-b584-52bccc122e7b/sv-benchmarks/c/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i[878,891] [2021-10-21 19:08:57,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:08:57,824 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:08:57,834 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_509670f9-a5aa-4300-b584-52bccc122e7b/sv-benchmarks/c/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i[878,891] [2021-10-21 19:08:57,859 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:08:57,874 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:08:57,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:08:57 WrapperNode [2021-10-21 19:08:57,875 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:08:57,876 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:08:57,876 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:08:57,876 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:08:57,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:08:57" (1/1) ... [2021-10-21 19:08:57,890 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:08:57" (1/1) ... [2021-10-21 19:08:57,915 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:08:57,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:08:57,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:08:57,916 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:08:57,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:08:57" (1/1) ... [2021-10-21 19:08:57,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:08:57" (1/1) ... [2021-10-21 19:08:57,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:08:57" (1/1) ... [2021-10-21 19:08:57,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:08:57" (1/1) ... [2021-10-21 19:08:57,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:08:57" (1/1) ... [2021-10-21 19:08:57,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:08:57" (1/1) ... [2021-10-21 19:08:57,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:08:57" (1/1) ... [2021-10-21 19:08:57,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:08:57,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:08:57,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:08:57,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:08:57,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:08:57" (1/1) ... [2021-10-21 19:08:57,957 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:08:57,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:08:57,984 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:08:57,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:08:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:08:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 19:08:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 19:08:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:08:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-10-21 19:08:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:08:58,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:08:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:08:58,349 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:08:58,349 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-21 19:08:58,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:08:58 BoogieIcfgContainer [2021-10-21 19:08:58,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:08:58,353 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:08:58,353 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:08:58,356 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:08:58,357 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:08:58,357 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:08:57" (1/3) ... [2021-10-21 19:08:58,359 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73fd4e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:08:58, skipping insertion in model container [2021-10-21 19:08:58,359 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:08:58,359 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:08:57" (2/3) ... [2021-10-21 19:08:58,360 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73fd4e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:08:58, skipping insertion in model container [2021-10-21 19:08:58,360 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:08:58,360 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:08:58" (3/3) ... [2021-10-21 19:08:58,361 INFO L389 chiAutomizerObserver]: Analyzing ICFG veris.c_OpenSER_cases1_stripFullBoth_arr.i [2021-10-21 19:08:58,413 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:08:58,414 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:08:58,414 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:08:58,414 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:08:58,414 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:08:58,414 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:08:58,414 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:08:58,414 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:08:58,431 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) [2021-10-21 19:08:58,452 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 28 [2021-10-21 19:08:58,453 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:08:58,453 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:08:58,483 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-21 19:08:58,483 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 19:08:58,484 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:08:58,484 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) [2021-10-21 19:08:58,488 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 28 [2021-10-21 19:08:58,488 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:08:58,492 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:08:58,492 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-21 19:08:58,493 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 19:08:58,510 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 [2021-10-21 19:08:58,510 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 [2021-10-21 19:08:58,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:08:58,522 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-21 19:08:58,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:08:58,555 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780649720] [2021-10-21 19:08:58,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:08:58,557 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:08:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:08:58,720 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:08:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:08:58,792 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:08:58,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:08:58,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2021-10-21 19:08:58,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:08:58,802 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777699276] [2021-10-21 19:08:58,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:08:58,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:08:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:08:58,817 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:08:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:08:58,835 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:08:58,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:08:58,840 INFO L82 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2021-10-21 19:08:58,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:08:58,842 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755739851] [2021-10-21 19:08:58,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:08:58,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:08:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:08:58,886 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:08:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:08:58,939 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:08:59,511 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:08:59,512 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:08:59,512 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:08:59,512 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:08:59,512 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:08:59,513 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:08:59,513 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:08:59,514 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:08:59,514 INFO L133 ssoRankerPreferences]: Filename of dumped script: veris.c_OpenSER_cases1_stripFullBoth_arr.i_Iteration1_Lasso [2021-10-21 19:08:59,515 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:08:59,515 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:08:59,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:08:59,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:08:59,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:08:59,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:08:59,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:08:59,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:08:59,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:08:59,952 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:08:59,957 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:08:59,959 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:08:59,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:08:59,965 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:08:59,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 19:08:59,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:08:59,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:08:59,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:08:59,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:08:59,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:08:59,994 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:08:59,994 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:00,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:00,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:00,045 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:00,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:00,047 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:00,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 19:09:00,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:00,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:00,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:00,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:00,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:00,075 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:00,076 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:00,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:00,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:00,133 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:00,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:00,135 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:00,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 19:09:00,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:00,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:00,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:00,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:00,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:00,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:00,154 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:00,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:00,164 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:00,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:00,204 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:00,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:00,206 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:00,213 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:00,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:00,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:00,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:00,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:00,226 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:00,226 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:00,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 19:09:00,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:00,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:00,284 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:00,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:00,287 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:00,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:00,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:00,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:00,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:00,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:00,315 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:00,315 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:00,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 19:09:00,332 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:00,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:00,369 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:00,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:00,370 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:00,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 19:09:00,376 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 [2021-10-21 19:09:00,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:00,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:00,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:00,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:00,397 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:00,397 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:00,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:00,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-10-21 19:09:00,456 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:00,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:00,459 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:00,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 19:09:00,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:00,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:00,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:00,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:00,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:00,484 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:00,485 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:00,499 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:09:00,543 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-10-21 19:09:00,543 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-10-21 19:09:00,545 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:00,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:00,547 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:00,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 19:09:00,553 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:09:00,594 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 19:09:00,594 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:09:00,595 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 [] [2021-10-21 19:09:00,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:00,694 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2021-10-21 19:09:00,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:00,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:09:00,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:09:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:00,787 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:09:00,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:09:00,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:00,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:09:00,878 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 [2021-10-21 19:09:00,880 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) [2021-10-21 19:09:01,027 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. [2021-10-21 19:09:01,028 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 [2021-10-21 19:09:01,030 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) [2021-10-21 19:09:01,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 101 transitions. [2021-10-21 19:09:01,033 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 101 transitions. Stem has 2 letters. Loop has 2 letters. [2021-10-21 19:09:01,034 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:09:01,034 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 101 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-21 19:09:01,034 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:09:01,034 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 101 transitions. Stem has 2 letters. Loop has 4 letters. [2021-10-21 19:09:01,035 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:09:01,037 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 153 transitions. [2021-10-21 19:09:01,055 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-21 19:09:01,059 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 32 states and 43 transitions. [2021-10-21 19:09:01,060 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2021-10-21 19:09:01,060 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-21 19:09:01,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 43 transitions. [2021-10-21 19:09:01,062 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:09:01,062 INFO L681 BuchiCegarLoop]: Abstraction has 32 states and 43 transitions. [2021-10-21 19:09:01,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 43 transitions. [2021-10-21 19:09:01,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-10-21 19:09:01,083 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) [2021-10-21 19:09:01,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 43 transitions. [2021-10-21 19:09:01,085 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 43 transitions. [2021-10-21 19:09:01,085 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 43 transitions. [2021-10-21 19:09:01,085 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 19:09:01,085 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 43 transitions. [2021-10-21 19:09:01,086 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-21 19:09:01,086 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:09:01,086 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:09:01,087 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-21 19:09:01,087 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-21 19:09:01,087 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 [2021-10-21 19:09:01,087 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 [2021-10-21 19:09:01,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:01,088 INFO L82 PathProgramCache]: Analyzing trace with hash 28696938, now seen corresponding path program 1 times [2021-10-21 19:09:01,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:01,089 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821388558] [2021-10-21 19:09:01,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:01,089 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:01,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:09:01,133 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:01,133 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821388558] [2021-10-21 19:09:01,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821388558] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:09:01,134 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:09:01,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:09:01,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556566664] [2021-10-21 19:09:01,137 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:09:01,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:01,138 INFO L82 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 1 times [2021-10-21 19:09:01,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:01,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111204961] [2021-10-21 19:09:01,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:01,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:01,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:01,147 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:09:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:01,154 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:09:01,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:01,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:09:01,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:09:01,223 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) [2021-10-21 19:09:01,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:01,235 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2021-10-21 19:09:01,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:09:01,236 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 43 transitions. [2021-10-21 19:09:01,237 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-21 19:09:01,238 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 33 states and 43 transitions. [2021-10-21 19:09:01,238 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-10-21 19:09:01,239 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-21 19:09:01,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 43 transitions. [2021-10-21 19:09:01,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:09:01,240 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 43 transitions. [2021-10-21 19:09:01,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 43 transitions. [2021-10-21 19:09:01,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2021-10-21 19:09:01,242 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) [2021-10-21 19:09:01,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 42 transitions. [2021-10-21 19:09:01,243 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 42 transitions. [2021-10-21 19:09:01,243 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 42 transitions. [2021-10-21 19:09:01,243 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 19:09:01,244 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 42 transitions. [2021-10-21 19:09:01,245 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-21 19:09:01,245 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:09:01,245 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:09:01,245 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:09:01,246 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-21 19:09:01,246 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 [2021-10-21 19:09:01,246 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 [2021-10-21 19:09:01,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:01,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1809669544, now seen corresponding path program 1 times [2021-10-21 19:09:01,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:01,247 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812368570] [2021-10-21 19:09:01,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:01,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:01,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:01,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:09:01,285 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:01,286 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812368570] [2021-10-21 19:09:01,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812368570] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:01,286 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [382126196] [2021-10-21 19:09:01,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:01,287 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:09:01,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:01,288 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:09:01,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-21 19:09:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:01,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 19:09:01,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:09:01,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:09:01,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [382126196] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:01,374 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:09:01,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-10-21 19:09:01,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044891910] [2021-10-21 19:09:01,375 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:09:01,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:01,375 INFO L82 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 2 times [2021-10-21 19:09:01,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:01,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937602235] [2021-10-21 19:09:01,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:01,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:01,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:01,382 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:09:01,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:01,388 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:09:01,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:01,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:09:01,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:09:01,448 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) [2021-10-21 19:09:01,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:01,463 INFO L93 Difference]: Finished difference Result 35 states and 45 transitions. [2021-10-21 19:09:01,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:09:01,464 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 45 transitions. [2021-10-21 19:09:01,465 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-21 19:09:01,466 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 35 states and 45 transitions. [2021-10-21 19:09:01,467 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-10-21 19:09:01,467 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-21 19:09:01,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 45 transitions. [2021-10-21 19:09:01,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:09:01,467 INFO L681 BuchiCegarLoop]: Abstraction has 35 states and 45 transitions. [2021-10-21 19:09:01,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 45 transitions. [2021-10-21 19:09:01,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2021-10-21 19:09:01,470 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) [2021-10-21 19:09:01,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 44 transitions. [2021-10-21 19:09:01,471 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 44 transitions. [2021-10-21 19:09:01,471 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 44 transitions. [2021-10-21 19:09:01,471 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-21 19:09:01,471 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 44 transitions. [2021-10-21 19:09:01,472 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-21 19:09:01,473 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:09:01,473 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:09:01,473 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2021-10-21 19:09:01,473 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-21 19:09:01,474 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 [2021-10-21 19:09:01,474 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 [2021-10-21 19:09:01,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:01,474 INFO L82 PathProgramCache]: Analyzing trace with hash -367607194, now seen corresponding path program 2 times [2021-10-21 19:09:01,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:01,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081511316] [2021-10-21 19:09:01,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:01,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:01,536 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:09:01,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:01,539 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081511316] [2021-10-21 19:09:01,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081511316] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:01,539 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276598611] [2021-10-21 19:09:01,539 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 19:09:01,540 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:09:01,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:01,545 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:09:01,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-21 19:09:01,614 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-21 19:09:01,614 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:09:01,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:09:01,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:09:01,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:09:01,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [276598611] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:01,659 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:09:01,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-10-21 19:09:01,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451906022] [2021-10-21 19:09:01,659 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:09:01,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:01,660 INFO L82 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 3 times [2021-10-21 19:09:01,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:01,660 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063228810] [2021-10-21 19:09:01,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:01,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:01,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:01,666 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:09:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:01,677 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:09:01,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:01,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:09:01,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:09:01,742 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) [2021-10-21 19:09:01,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:01,767 INFO L93 Difference]: Finished difference Result 37 states and 47 transitions. [2021-10-21 19:09:01,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:09:01,767 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 47 transitions. [2021-10-21 19:09:01,771 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-21 19:09:01,775 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 37 states and 47 transitions. [2021-10-21 19:09:01,775 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-10-21 19:09:01,776 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-21 19:09:01,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 47 transitions. [2021-10-21 19:09:01,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:09:01,776 INFO L681 BuchiCegarLoop]: Abstraction has 37 states and 47 transitions. [2021-10-21 19:09:01,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 47 transitions. [2021-10-21 19:09:01,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2021-10-21 19:09:01,784 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) [2021-10-21 19:09:01,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 46 transitions. [2021-10-21 19:09:01,785 INFO L704 BuchiCegarLoop]: Abstraction has 36 states and 46 transitions. [2021-10-21 19:09:01,785 INFO L587 BuchiCegarLoop]: Abstraction has 36 states and 46 transitions. [2021-10-21 19:09:01,785 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-21 19:09:01,785 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 46 transitions. [2021-10-21 19:09:01,787 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-21 19:09:01,787 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:09:01,787 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:09:01,787 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 1, 1, 1, 1, 1] [2021-10-21 19:09:01,788 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-21 19:09:01,788 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 [2021-10-21 19:09:01,788 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 [2021-10-21 19:09:01,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:01,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1081479260, now seen corresponding path program 3 times [2021-10-21 19:09:01,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:01,789 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373208461] [2021-10-21 19:09:01,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:01,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:01,874 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:09:01,875 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:01,875 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373208461] [2021-10-21 19:09:01,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373208461] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:01,875 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886741612] [2021-10-21 19:09:01,876 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-21 19:09:01,876 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:09:01,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:01,914 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:09:01,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-10-21 19:09:01,982 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-21 19:09:01,983 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:09:01,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 19:09:01,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:09:02,033 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:09:02,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886741612] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:02,034 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:09:02,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-10-21 19:09:02,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252395064] [2021-10-21 19:09:02,036 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:09:02,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:02,036 INFO L82 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 4 times [2021-10-21 19:09:02,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:02,037 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942859699] [2021-10-21 19:09:02,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:02,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:02,052 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:09:02,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:02,065 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:09:02,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:02,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:09:02,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:09:02,139 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) [2021-10-21 19:09:02,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:02,165 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2021-10-21 19:09:02,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:09:02,167 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 49 transitions. [2021-10-21 19:09:02,170 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-21 19:09:02,171 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 39 states and 49 transitions. [2021-10-21 19:09:02,171 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-10-21 19:09:02,172 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-21 19:09:02,172 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 49 transitions. [2021-10-21 19:09:02,172 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:09:02,173 INFO L681 BuchiCegarLoop]: Abstraction has 39 states and 49 transitions. [2021-10-21 19:09:02,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 49 transitions. [2021-10-21 19:09:02,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2021-10-21 19:09:02,177 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) [2021-10-21 19:09:02,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 48 transitions. [2021-10-21 19:09:02,178 INFO L704 BuchiCegarLoop]: Abstraction has 38 states and 48 transitions. [2021-10-21 19:09:02,178 INFO L587 BuchiCegarLoop]: Abstraction has 38 states and 48 transitions. [2021-10-21 19:09:02,178 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-21 19:09:02,178 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 48 transitions. [2021-10-21 19:09:02,180 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-21 19:09:02,180 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:09:02,180 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:09:02,181 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1, 1] [2021-10-21 19:09:02,181 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-21 19:09:02,181 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 [2021-10-21 19:09:02,182 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 [2021-10-21 19:09:02,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:02,183 INFO L82 PathProgramCache]: Analyzing trace with hash 82232674, now seen corresponding path program 4 times [2021-10-21 19:09:02,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:02,187 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229286737] [2021-10-21 19:09:02,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:02,188 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:02,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:02,269 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:09:02,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:02,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229286737] [2021-10-21 19:09:02,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229286737] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:02,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931116139] [2021-10-21 19:09:02,271 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-21 19:09:02,271 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:09:02,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:02,273 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:09:02,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-21 19:09:02,344 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-21 19:09:02,344 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:09:02,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:09:02,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:09:02,393 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:09:02,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931116139] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:02,393 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:09:02,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-10-21 19:09:02,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761542237] [2021-10-21 19:09:02,394 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:09:02,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:02,395 INFO L82 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 5 times [2021-10-21 19:09:02,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:02,395 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27047443] [2021-10-21 19:09:02,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:02,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:02,405 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:09:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:02,416 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:09:02,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:02,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 19:09:02,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:09:02,485 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) [2021-10-21 19:09:02,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:02,509 INFO L93 Difference]: Finished difference Result 41 states and 51 transitions. [2021-10-21 19:09:02,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:09:02,509 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 51 transitions. [2021-10-21 19:09:02,510 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-21 19:09:02,511 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 41 states and 51 transitions. [2021-10-21 19:09:02,511 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-10-21 19:09:02,511 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-21 19:09:02,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 51 transitions. [2021-10-21 19:09:02,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:09:02,512 INFO L681 BuchiCegarLoop]: Abstraction has 41 states and 51 transitions. [2021-10-21 19:09:02,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 51 transitions. [2021-10-21 19:09:02,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2021-10-21 19:09:02,514 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) [2021-10-21 19:09:02,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 50 transitions. [2021-10-21 19:09:02,515 INFO L704 BuchiCegarLoop]: Abstraction has 40 states and 50 transitions. [2021-10-21 19:09:02,515 INFO L587 BuchiCegarLoop]: Abstraction has 40 states and 50 transitions. [2021-10-21 19:09:02,516 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-21 19:09:02,516 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 50 transitions. [2021-10-21 19:09:02,516 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-21 19:09:02,516 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:09:02,517 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:09:02,517 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1] [2021-10-21 19:09:02,517 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-21 19:09:02,518 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 [2021-10-21 19:09:02,518 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 [2021-10-21 19:09:02,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:02,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1717904288, now seen corresponding path program 5 times [2021-10-21 19:09:02,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:02,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542974813] [2021-10-21 19:09:02,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:02,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:02,614 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:09:02,614 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:02,614 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542974813] [2021-10-21 19:09:02,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542974813] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:02,615 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456719497] [2021-10-21 19:09:02,615 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-21 19:09:02,615 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:09:02,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:02,617 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:09:02,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-10-21 19:09:02,704 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-10-21 19:09:02,704 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:09:02,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-21 19:09:02,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:09:02,763 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:09:02,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1456719497] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:02,764 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:09:02,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-10-21 19:09:02,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459912040] [2021-10-21 19:09:02,765 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:09:02,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:02,765 INFO L82 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 6 times [2021-10-21 19:09:02,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:02,766 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170339639] [2021-10-21 19:09:02,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:02,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:02,770 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:09:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:02,775 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:09:02,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:02,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-21 19:09:02,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:09:02,841 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) [2021-10-21 19:09:02,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:02,890 INFO L93 Difference]: Finished difference Result 43 states and 53 transitions. [2021-10-21 19:09:02,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 19:09:02,891 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 53 transitions. [2021-10-21 19:09:02,892 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-21 19:09:02,894 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 43 states and 53 transitions. [2021-10-21 19:09:02,894 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-10-21 19:09:02,894 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-21 19:09:02,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 53 transitions. [2021-10-21 19:09:02,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:09:02,899 INFO L681 BuchiCegarLoop]: Abstraction has 43 states and 53 transitions. [2021-10-21 19:09:02,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 53 transitions. [2021-10-21 19:09:02,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2021-10-21 19:09:02,908 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) [2021-10-21 19:09:02,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 52 transitions. [2021-10-21 19:09:02,909 INFO L704 BuchiCegarLoop]: Abstraction has 42 states and 52 transitions. [2021-10-21 19:09:02,909 INFO L587 BuchiCegarLoop]: Abstraction has 42 states and 52 transitions. [2021-10-21 19:09:02,909 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-21 19:09:02,909 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 52 transitions. [2021-10-21 19:09:02,910 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-21 19:09:02,910 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:09:02,910 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:09:02,911 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [6, 6, 1, 1, 1, 1, 1] [2021-10-21 19:09:02,911 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-21 19:09:02,911 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 [2021-10-21 19:09:02,912 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 [2021-10-21 19:09:02,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:02,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1640295006, now seen corresponding path program 6 times [2021-10-21 19:09:02,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:02,915 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88982117] [2021-10-21 19:09:02,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:02,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:03,017 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:09:03,017 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:03,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88982117] [2021-10-21 19:09:03,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88982117] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:03,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1014170279] [2021-10-21 19:09:03,017 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-21 19:09:03,018 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:09:03,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:03,019 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:09:03,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-10-21 19:09:03,116 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-10-21 19:09:03,116 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:09:03,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 19:09:03,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:09:03,188 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:09:03,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1014170279] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:03,189 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:09:03,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-10-21 19:09:03,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841060172] [2021-10-21 19:09:03,189 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:09:03,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:03,190 INFO L82 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 7 times [2021-10-21 19:09:03,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:03,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066302537] [2021-10-21 19:09:03,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:03,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:03,198 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:09:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:03,206 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:09:03,285 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:03,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-21 19:09:03,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2021-10-21 19:09:03,286 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) [2021-10-21 19:09:03,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:03,320 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2021-10-21 19:09:03,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:09:03,321 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 55 transitions. [2021-10-21 19:09:03,323 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-21 19:09:03,324 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 55 transitions. [2021-10-21 19:09:03,324 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-10-21 19:09:03,324 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-21 19:09:03,325 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 55 transitions. [2021-10-21 19:09:03,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:09:03,326 INFO L681 BuchiCegarLoop]: Abstraction has 45 states and 55 transitions. [2021-10-21 19:09:03,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 55 transitions. [2021-10-21 19:09:03,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 44. [2021-10-21 19:09:03,338 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) [2021-10-21 19:09:03,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 54 transitions. [2021-10-21 19:09:03,338 INFO L704 BuchiCegarLoop]: Abstraction has 44 states and 54 transitions. [2021-10-21 19:09:03,339 INFO L587 BuchiCegarLoop]: Abstraction has 44 states and 54 transitions. [2021-10-21 19:09:03,339 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-21 19:09:03,339 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 54 transitions. [2021-10-21 19:09:03,339 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-21 19:09:03,339 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:09:03,340 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:09:03,341 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [7, 7, 1, 1, 1, 1, 1] [2021-10-21 19:09:03,341 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-21 19:09:03,341 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 [2021-10-21 19:09:03,341 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 [2021-10-21 19:09:03,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:03,342 INFO L82 PathProgramCache]: Analyzing trace with hash 72219036, now seen corresponding path program 7 times [2021-10-21 19:09:03,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:03,342 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254629754] [2021-10-21 19:09:03,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:03,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:03,428 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:09:03,429 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:03,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254629754] [2021-10-21 19:09:03,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254629754] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:03,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442978939] [2021-10-21 19:09:03,429 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-21 19:09:03,429 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:09:03,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:03,434 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:09:03,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-10-21 19:09:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:03,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-21 19:09:03,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:09:03,595 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:09:03,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442978939] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:03,595 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:09:03,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2021-10-21 19:09:03,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117944201] [2021-10-21 19:09:03,596 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:09:03,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:03,596 INFO L82 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 8 times [2021-10-21 19:09:03,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:03,596 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551074431] [2021-10-21 19:09:03,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:03,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:03,600 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:09:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:03,604 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:09:03,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:03,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-21 19:09:03,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2021-10-21 19:09:03,661 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) [2021-10-21 19:09:03,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:03,695 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2021-10-21 19:09:03,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-21 19:09:03,695 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 56 transitions. [2021-10-21 19:09:03,696 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-21 19:09:03,697 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 46 states and 56 transitions. [2021-10-21 19:09:03,697 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-10-21 19:09:03,697 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-21 19:09:03,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 56 transitions. [2021-10-21 19:09:03,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:09:03,697 INFO L681 BuchiCegarLoop]: Abstraction has 46 states and 56 transitions. [2021-10-21 19:09:03,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 56 transitions. [2021-10-21 19:09:03,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-10-21 19:09:03,700 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) [2021-10-21 19:09:03,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 56 transitions. [2021-10-21 19:09:03,700 INFO L704 BuchiCegarLoop]: Abstraction has 46 states and 56 transitions. [2021-10-21 19:09:03,700 INFO L587 BuchiCegarLoop]: Abstraction has 46 states and 56 transitions. [2021-10-21 19:09:03,700 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-21 19:09:03,701 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 56 transitions. [2021-10-21 19:09:03,701 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-21 19:09:03,701 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:09:03,701 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:09:03,702 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 1, 1, 1, 1, 1] [2021-10-21 19:09:03,702 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-21 19:09:03,702 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 [2021-10-21 19:09:03,702 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 [2021-10-21 19:09:03,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:03,703 INFO L82 PathProgramCache]: Analyzing trace with hash 684732762, now seen corresponding path program 8 times [2021-10-21 19:09:03,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:03,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802102761] [2021-10-21 19:09:03,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:03,703 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:03,719 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:09:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:03,740 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:09:03,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:03,741 INFO L82 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 9 times [2021-10-21 19:09:03,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:03,741 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665829727] [2021-10-21 19:09:03,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:03,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:03,745 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:09:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:03,749 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:09:03,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:03,749 INFO L82 PathProgramCache]: Analyzing trace with hash 299059334, now seen corresponding path program 1 times [2021-10-21 19:09:03,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:03,750 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108854149] [2021-10-21 19:09:03,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:03,750 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:03,775 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:09:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:03,827 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:09:10,900 WARN L207 SmtUtils]: Spent 7.00 s on a formula simplification. DAG size of input: 224 DAG size of output: 172 [2021-10-21 19:09:12,009 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:09:12,009 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:09:12,009 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:09:12,009 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:09:12,009 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:09:12,010 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:12,010 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:09:12,010 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:09:12,010 INFO L133 ssoRankerPreferences]: Filename of dumped script: veris.c_OpenSER_cases1_stripFullBoth_arr.i_Iteration10_Lasso [2021-10-21 19:09:12,010 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:09:12,010 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:09:12,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:12,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:12,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:12,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:12,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:12,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:12,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:12,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:12,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:12,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:12,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:12,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:12,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:12,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:12,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:12,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:12,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:12,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:12,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:12,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:12,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:12,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:12,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:12,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:12,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:12,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:12,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:12,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:12,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:12,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:12,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:12,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:12,850 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:09:12,850 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:09:12,850 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:12,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:12,860 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:12,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-21 19:09:12,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:12,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:12,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:12,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:12,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:12,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:12,879 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:12,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:12,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:12,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:12,929 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:12,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:12,930 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:12,936 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:12,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:12,945 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:12,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:12,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:12,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:12,946 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:12,946 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:12,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-21 19:09:12,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:12,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:12,987 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:12,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:12,989 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:12,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-21 19:09:12,995 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 [2021-10-21 19:09:13,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:13,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:13,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:13,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:13,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:13,002 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:13,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:13,003 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:13,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:13,032 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:13,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:13,033 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:13,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-21 19:09:13,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:13,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:13,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:13,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:13,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:13,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:13,048 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:13,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:13,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:13,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:13,074 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:13,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:13,076 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:13,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-21 19:09:13,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:13,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:13,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:13,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:13,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:13,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:13,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:13,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:13,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:13,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:13,143 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:13,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:13,144 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:13,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-21 19:09:13,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:13,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:13,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:13,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:13,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:13,167 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:13,167 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:13,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:13,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:13,225 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:13,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:13,229 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:13,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-21 19:09:13,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:13,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:13,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:13,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:13,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:13,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:13,246 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:13,246 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:13,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:13,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:13,293 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:13,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:13,297 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:13,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:13,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:13,313 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:13,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:13,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:13,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:13,314 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:13,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:13,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-21 19:09:13,324 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:13,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:13,367 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:13,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:13,368 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:13,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:13,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:13,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:13,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:13,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:13,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:13,380 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:13,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:13,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-21 19:09:13,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:13,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:13,422 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:13,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:13,423 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:13,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-21 19:09:13,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:13,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:13,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:13,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:13,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:13,434 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:13,434 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:13,449 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:13,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:13,469 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:13,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:13,469 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:13,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-21 19:09:13,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:13,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:13,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:13,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:13,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:13,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:13,479 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:13,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:13,480 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:13,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:13,500 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:13,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:13,501 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:13,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-21 19:09:13,504 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:13,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:13,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:13,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:13,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:13,513 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:13,513 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:13,537 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:13,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:13,559 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:13,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:13,560 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:13,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-21 19:09:13,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:13,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:13,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:13,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:13,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:13,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:13,571 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:13,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:13,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:13,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:13,592 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:13,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:13,593 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:13,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-21 19:09:13,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:13,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:13,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:13,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:13,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:13,603 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:13,603 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:13,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:13,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:13,643 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:13,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:13,644 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:13,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-21 19:09:13,646 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:13,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:13,653 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:13,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:13,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:13,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:13,653 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:13,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:13,654 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:13,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:13,674 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:13,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:13,675 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:13,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-21 19:09:13,676 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 [2021-10-21 19:09:13,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:13,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:13,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:13,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:13,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:13,684 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:13,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:13,685 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:13,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-10-21 19:09:13,704 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:13,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:13,705 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:13,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-21 19:09:13,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:13,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:13,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:13,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:13,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:13,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:13,714 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:13,714 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:13,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:13,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:13,735 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:13,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:13,736 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:13,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-21 19:09:13,737 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:13,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:13,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:13,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:13,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:13,749 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:13,749 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:13,761 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:13,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:13,797 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:13,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:13,798 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:13,800 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:13,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-21 19:09:13,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:13,809 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:13,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:13,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:13,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:13,811 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:13,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:13,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:13,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:13,863 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:13,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:13,864 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:13,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-21 19:09:13,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:13,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:13,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:13,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:13,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:13,875 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:13,875 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:13,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:13,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-10-21 19:09:13,917 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:13,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:13,918 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:13,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-21 19:09:13,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:13,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:13,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:13,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:13,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:13,930 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:13,930 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:13,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:13,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:13,964 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:13,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:13,965 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:13,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-21 19:09:13,978 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:13,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:13,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:13,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:13,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:13,987 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:13,987 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:13,989 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:14,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-10-21 19:09:14,014 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:14,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:14,015 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:14,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:14,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:14,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:14,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:14,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:14,028 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:14,028 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:14,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-21 19:09:14,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:14,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-10-21 19:09:14,050 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:14,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:14,051 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:14,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-21 19:09:14,053 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:14,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:14,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:14,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:14,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:14,061 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:14,061 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:14,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:14,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:14,114 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:14,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:14,115 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:14,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-21 19:09:14,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:14,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:14,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:14,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:14,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:14,125 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:14,125 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:14,127 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:14,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:14,148 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:14,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:14,148 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:14,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-21 19:09:14,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:14,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:14,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:14,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:14,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:14,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:14,158 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:14,173 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:14,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:14,195 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:14,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:14,196 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:14,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-21 19:09:14,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:14,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:14,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:14,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:14,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:14,206 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:14,206 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:14,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:14,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:14,232 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:14,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:14,233 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:14,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-21 19:09:14,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:14,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:14,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:14,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:14,243 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 19:09:14,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:14,244 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:09:14,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:14,260 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:14,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:14,279 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:14,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:14,280 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:14,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:14,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-21 19:09:14,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:14,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:14,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:14,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:14,291 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:14,292 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:14,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:14,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:14,320 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:14,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:14,321 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:14,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-21 19:09:14,322 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:14,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:14,330 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:14,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:14,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:14,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:14,330 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:14,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:14,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:14,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-10-21 19:09:14,351 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:14,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:14,352 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:14,353 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:14,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-21 19:09:14,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:14,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:14,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:14,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:14,362 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:14,362 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:14,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:14,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-10-21 19:09:14,384 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:14,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:14,385 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:14,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-21 19:09:14,387 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:14,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:14,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:14,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:14,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:14,398 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:14,398 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:14,406 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:09:14,447 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-10-21 19:09:14,448 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-10-21 19:09:14,448 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:14,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:14,450 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:14,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-21 19:09:14,462 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:09:14,470 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-21 19:09:14,470 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:09:14,470 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] [2021-10-21 19:09:14,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:14,537 INFO L297 tatePredicateManager]: 15 out of 17 supporting invariants were superfluous and have been removed [2021-10-21 19:09:14,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:14,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-21 19:09:14,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:09:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:14,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-21 19:09:14,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:09:14,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:09:14,855 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 [2021-10-21 19:09:14,855 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) [2021-10-21 19:09:14,935 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. [2021-10-21 19:09:14,935 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 [2021-10-21 19:09:14,935 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) [2021-10-21 19:09:14,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 42 transitions. [2021-10-21 19:09:14,936 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 42 transitions. Stem has 21 letters. Loop has 5 letters. [2021-10-21 19:09:14,937 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:09:14,937 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 42 transitions. Stem has 26 letters. Loop has 5 letters. [2021-10-21 19:09:14,937 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:09:14,937 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 42 transitions. Stem has 21 letters. Loop has 10 letters. [2021-10-21 19:09:14,938 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:09:14,938 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 92 transitions. [2021-10-21 19:09:14,939 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-21 19:09:14,940 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 59 states and 75 transitions. [2021-10-21 19:09:14,940 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-10-21 19:09:14,941 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-10-21 19:09:14,941 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 75 transitions. [2021-10-21 19:09:14,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:09:14,941 INFO L681 BuchiCegarLoop]: Abstraction has 59 states and 75 transitions. [2021-10-21 19:09:14,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 75 transitions. [2021-10-21 19:09:14,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 58. [2021-10-21 19:09:14,943 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) [2021-10-21 19:09:14,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 74 transitions. [2021-10-21 19:09:14,944 INFO L704 BuchiCegarLoop]: Abstraction has 58 states and 74 transitions. [2021-10-21 19:09:14,944 INFO L587 BuchiCegarLoop]: Abstraction has 58 states and 74 transitions. [2021-10-21 19:09:14,944 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-21 19:09:14,944 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 58 states and 74 transitions. [2021-10-21 19:09:14,945 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-21 19:09:14,945 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:09:14,945 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:09:14,946 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:09:14,946 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 19:09:14,946 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 [2021-10-21 19:09:14,946 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 [2021-10-21 19:09:14,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:14,947 INFO L82 PathProgramCache]: Analyzing trace with hash 898188797, now seen corresponding path program 1 times [2021-10-21 19:09:14,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:14,947 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330239725] [2021-10-21 19:09:14,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:14,947 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:14,966 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:09:14,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:14,986 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:09:14,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:14,987 INFO L82 PathProgramCache]: Analyzing trace with hash 62664, now seen corresponding path program 1 times [2021-10-21 19:09:14,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:14,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566625633] [2021-10-21 19:09:14,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:14,988 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:14,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:14,992 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:09:14,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:14,995 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:09:14,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:14,996 INFO L82 PathProgramCache]: Analyzing trace with hash 296230220, now seen corresponding path program 1 times [2021-10-21 19:09:14,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:14,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783334802] [2021-10-21 19:09:14,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:14,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:15,106 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-10-21 19:09:15,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:15,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783334802] [2021-10-21 19:09:15,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783334802] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:09:15,107 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:09:15,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-21 19:09:15,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988766788] [2021-10-21 19:09:15,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:15,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:09:15,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:09:15,158 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) [2021-10-21 19:09:15,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:15,324 INFO L93 Difference]: Finished difference Result 91 states and 118 transitions. [2021-10-21 19:09:15,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:09:15,325 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 91 states and 118 transitions. [2021-10-21 19:09:15,326 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2021-10-21 19:09:15,327 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 91 states to 91 states and 118 transitions. [2021-10-21 19:09:15,327 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2021-10-21 19:09:15,328 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-10-21 19:09:15,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 91 states and 118 transitions. [2021-10-21 19:09:15,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:09:15,328 INFO L681 BuchiCegarLoop]: Abstraction has 91 states and 118 transitions. [2021-10-21 19:09:15,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states and 118 transitions. [2021-10-21 19:09:15,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 65. [2021-10-21 19:09:15,330 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) [2021-10-21 19:09:15,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 83 transitions. [2021-10-21 19:09:15,331 INFO L704 BuchiCegarLoop]: Abstraction has 65 states and 83 transitions. [2021-10-21 19:09:15,331 INFO L587 BuchiCegarLoop]: Abstraction has 65 states and 83 transitions. [2021-10-21 19:09:15,331 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-10-21 19:09:15,331 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 83 transitions. [2021-10-21 19:09:15,332 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-21 19:09:15,332 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:09:15,332 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:09:15,333 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:09:15,333 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 19:09:15,333 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 [2021-10-21 19:09:15,333 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 [2021-10-21 19:09:15,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:15,334 INFO L82 PathProgramCache]: Analyzing trace with hash -366788055, now seen corresponding path program 1 times [2021-10-21 19:09:15,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:15,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029906199] [2021-10-21 19:09:15,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:15,334 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:15,350 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:09:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:15,371 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:09:15,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:15,372 INFO L82 PathProgramCache]: Analyzing trace with hash 62664, now seen corresponding path program 2 times [2021-10-21 19:09:15,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:15,373 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800804205] [2021-10-21 19:09:15,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:15,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:15,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:15,376 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:09:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:15,380 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:09:15,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:15,381 INFO L82 PathProgramCache]: Analyzing trace with hash -586112608, now seen corresponding path program 1 times [2021-10-21 19:09:15,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:15,381 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423828367] [2021-10-21 19:09:15,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:15,409 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:15,426 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:09:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:15,447 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:09:15,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:20,756 WARN L207 SmtUtils]: Spent 5.25 s on a formula simplification. DAG size of input: 266 DAG size of output: 195 [2021-10-21 19:09:21,280 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:09:21,280 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:09:21,280 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:09:21,280 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:09:21,280 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:09:21,280 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:21,280 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:09:21,284 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:09:21,285 INFO L133 ssoRankerPreferences]: Filename of dumped script: veris.c_OpenSER_cases1_stripFullBoth_arr.i_Iteration12_Lasso [2021-10-21 19:09:21,285 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:09:21,285 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:09:21,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:21,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:21,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:21,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:21,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:21,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:21,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:21,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:21,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:21,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:21,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:21,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:21,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:21,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:21,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:21,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:21,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:21,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:21,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:21,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:21,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:21,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:21,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:21,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:21,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:21,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:21,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:21,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:21,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:21,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:21,958 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:09:21,959 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:09:21,959 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:21,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:21,963 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:21,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-21 19:09:21,965 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:21,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:21,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:21,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:21,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:21,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:21,973 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:21,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:21,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:21,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:21,996 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:21,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:21,997 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:21,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-21 19:09:21,998 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:22,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:22,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:22,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:22,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:22,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:22,005 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:22,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:22,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:22,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:22,027 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:22,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:22,028 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:22,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-21 19:09:22,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:22,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:22,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:22,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:22,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:22,043 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:22,043 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:22,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:22,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:22,066 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:22,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:22,067 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:22,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-21 19:09:22,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:22,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:22,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:22,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:22,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:22,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:22,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:22,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:22,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:22,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-10-21 19:09:22,103 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:22,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:22,104 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:22,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:22,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-21 19:09:22,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:22,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:22,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:22,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:22,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:22,113 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:22,113 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:22,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:22,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-10-21 19:09:22,134 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:22,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:22,135 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:22,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-21 19:09:22,136 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 [2021-10-21 19:09:22,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:22,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:22,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:22,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:22,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:22,143 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:22,143 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:22,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:22,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:22,181 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:22,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:22,182 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:22,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-21 19:09:22,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:22,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:22,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:22,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:22,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:22,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:22,191 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:22,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:22,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:22,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-10-21 19:09:22,211 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:22,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:22,212 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:22,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-21 19:09:22,213 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:22,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:22,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:22,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:22,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:22,222 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:22,222 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:22,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:22,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-10-21 19:09:22,244 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:22,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:22,245 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:22,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-21 19:09:22,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:22,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:22,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:22,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:22,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:22,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:22,254 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:22,254 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:22,255 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:22,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-10-21 19:09:22,274 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:22,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:22,275 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:22,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-21 19:09:22,277 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:22,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:22,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:22,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:22,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:22,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:22,284 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:22,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:22,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:22,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-10-21 19:09:22,305 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:22,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:22,306 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:22,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-21 19:09:22,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:22,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:22,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:22,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:22,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:22,315 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:22,315 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:22,317 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:22,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-10-21 19:09:22,337 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:22,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:22,338 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:22,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-21 19:09:22,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:22,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:22,347 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:22,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:22,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:22,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:22,348 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:22,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:22,349 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:22,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-10-21 19:09:22,369 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:22,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:22,371 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:22,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-21 19:09:22,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:22,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:22,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:22,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:22,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:22,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:22,387 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:22,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:22,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:22,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-10-21 19:09:22,408 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:22,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:22,409 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:22,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-21 19:09:22,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:22,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:22,417 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:22,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:22,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:22,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:22,418 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:22,418 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:22,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:22,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-10-21 19:09:22,440 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:22,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:22,442 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:22,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-21 19:09:22,443 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:22,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:22,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:22,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:22,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:22,451 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:22,451 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:22,454 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:22,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-10-21 19:09:22,473 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:22,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:22,474 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:22,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-21 19:09:22,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:22,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:22,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:22,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:22,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:22,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:22,483 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:22,483 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:22,484 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:22,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:22,504 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:22,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:22,504 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:22,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-21 19:09:22,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:22,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:22,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:22,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:22,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:22,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:22,513 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:22,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:22,514 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:22,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-10-21 19:09:22,534 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:22,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:22,535 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:22,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-21 19:09:22,538 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 [2021-10-21 19:09:22,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:22,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:22,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:22,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:22,549 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:22,549 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:22,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:22,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-10-21 19:09:22,573 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:22,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:22,573 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:22,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-21 19:09:22,575 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:22,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:22,583 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:22,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:22,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:22,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:22,584 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:22,584 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:22,585 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:22,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:22,607 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:22,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:22,608 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:22,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-21 19:09:22,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:22,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:22,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:22,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:22,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:22,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:22,618 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:22,618 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:22,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:22,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-10-21 19:09:22,639 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:22,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:22,640 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:22,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-21 19:09:22,641 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 [2021-10-21 19:09:22,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:22,648 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:22,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:22,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:22,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:22,649 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:22,649 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:22,650 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:22,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-10-21 19:09:22,669 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:22,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:22,670 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:22,671 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:22,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-21 19:09:22,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:22,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:22,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:22,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:22,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:22,679 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:22,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:22,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:22,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-10-21 19:09:22,703 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:22,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:22,704 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:22,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-21 19:09:22,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:22,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:22,712 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:22,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:22,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:22,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:22,713 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:22,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:22,714 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:22,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-10-21 19:09:22,733 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:22,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:22,734 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:22,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-21 19:09:22,735 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:22,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:22,742 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:22,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:22,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:22,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:22,743 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:22,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:22,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:22,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-10-21 19:09:22,763 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:22,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:22,764 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:22,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-21 19:09:22,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:22,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:22,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:22,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:22,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:22,774 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:22,774 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:22,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:22,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-10-21 19:09:22,796 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:22,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:22,797 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:22,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-21 19:09:22,798 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:22,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:22,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:22,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:22,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:22,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:22,806 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:22,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:22,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:22,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:22,831 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:22,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:22,832 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:22,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-21 19:09:22,833 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:22,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:22,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:22,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:22,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:22,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:22,843 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:22,846 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:22,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-10-21 19:09:22,867 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:22,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:22,868 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:22,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-21 19:09:22,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:22,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:22,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:22,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:22,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:22,878 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:22,878 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:22,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:22,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-10-21 19:09:22,901 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:22,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:22,902 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:22,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-21 19:09:22,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:22,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:22,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:22,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:22,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:22,911 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:22,911 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:22,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:22,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-10-21 19:09:22,934 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:22,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:22,935 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:22,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-21 19:09:22,936 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:22,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:22,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:22,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:22,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:22,944 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:22,944 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:22,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:22,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-10-21 19:09:22,966 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:22,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:22,967 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:22,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-21 19:09:22,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:22,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:22,975 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-21 19:09:22,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:22,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:22,977 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-21 19:09:22,977 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:22,981 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:23,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-10-21 19:09:23,001 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:23,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:23,002 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:23,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-10-21 19:09:23,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:23,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:23,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:23,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:23,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:23,011 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:23,011 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:23,013 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:23,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:23,033 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:23,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:23,034 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:23,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-10-21 19:09:23,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:23,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:23,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:23,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:23,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:23,043 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:23,044 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:23,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:23,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-10-21 19:09:23,071 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:23,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:23,072 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:23,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-10-21 19:09:23,073 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 [2021-10-21 19:09:23,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:23,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:23,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:23,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:23,083 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:23,083 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:23,089 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:23,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:23,109 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:23,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:23,110 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:23,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-10-21 19:09:23,111 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:23,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:23,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:23,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:23,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:23,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:23,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:23,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:23,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:23,144 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:23,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:23,145 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:23,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-10-21 19:09:23,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:23,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:23,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:23,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:23,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:23,154 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:23,154 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:23,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:23,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-10-21 19:09:23,189 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:23,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:23,190 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:23,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-10-21 19:09:23,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:23,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:23,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:23,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:23,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:23,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:23,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:23,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:23,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:23,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-10-21 19:09:23,220 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:23,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:23,220 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:23,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-10-21 19:09:23,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:23,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:23,229 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:23,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:23,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:23,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:23,229 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:23,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:23,230 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:23,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:23,250 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:23,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:23,250 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:23,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-10-21 19:09:23,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:23,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:23,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:23,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:23,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:23,260 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:23,260 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:23,262 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:23,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:23,283 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:23,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:23,283 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:23,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-10-21 19:09:23,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:23,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:23,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:23,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:23,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:23,301 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:23,302 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:23,324 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:09:23,355 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2021-10-21 19:09:23,355 INFO L444 ModelExtractionUtils]: 7 out of 28 variables were initially zero. Simplification set additionally 17 variables to zero. [2021-10-21 19:09:23,355 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:23,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:23,360 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:23,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-10-21 19:09:23,361 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:09:23,369 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-21 19:09:23,369 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:09:23,369 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] [2021-10-21 19:09:23,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-10-21 19:09:23,442 INFO L297 tatePredicateManager]: 21 out of 22 supporting invariants were superfluous and have been removed [2021-10-21 19:09:23,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:23,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 19:09:23,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:09:23,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:23,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 19:09:23,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:09:23,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:09:23,848 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 [2021-10-21 19:09:23,848 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) [2021-10-21 19:09:23,965 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. [2021-10-21 19:09:23,965 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 [2021-10-21 19:09:23,965 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) [2021-10-21 19:09:23,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 59 transitions. [2021-10-21 19:09:23,966 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 59 transitions. Stem has 28 letters. Loop has 3 letters. [2021-10-21 19:09:23,966 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:09:23,966 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 59 transitions. Stem has 31 letters. Loop has 3 letters. [2021-10-21 19:09:23,967 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:09:23,967 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 59 transitions. Stem has 28 letters. Loop has 6 letters. [2021-10-21 19:09:23,967 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:09:23,967 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 176 states and 237 transitions. [2021-10-21 19:09:23,969 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 18 [2021-10-21 19:09:23,972 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 176 states to 136 states and 181 transitions. [2021-10-21 19:09:23,972 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2021-10-21 19:09:23,972 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2021-10-21 19:09:23,972 INFO L73 IsDeterministic]: Start isDeterministic. Operand 136 states and 181 transitions. [2021-10-21 19:09:23,973 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:09:23,973 INFO L681 BuchiCegarLoop]: Abstraction has 136 states and 181 transitions. [2021-10-21 19:09:23,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states and 181 transitions. [2021-10-21 19:09:23,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 91. [2021-10-21 19:09:23,976 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) [2021-10-21 19:09:23,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 122 transitions. [2021-10-21 19:09:23,977 INFO L704 BuchiCegarLoop]: Abstraction has 91 states and 122 transitions. [2021-10-21 19:09:23,977 INFO L587 BuchiCegarLoop]: Abstraction has 91 states and 122 transitions. [2021-10-21 19:09:23,977 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-10-21 19:09:23,977 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 91 states and 122 transitions. [2021-10-21 19:09:23,978 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-21 19:09:23,978 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:09:23,978 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:09:23,979 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:09:23,979 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 19:09:23,979 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 [2021-10-21 19:09:23,980 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 [2021-10-21 19:09:23,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:23,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1161474036, now seen corresponding path program 1 times [2021-10-21 19:09:23,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:23,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606542679] [2021-10-21 19:09:23,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:23,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:24,165 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-10-21 19:09:24,165 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:24,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606542679] [2021-10-21 19:09:24,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606542679] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:09:24,166 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:09:24,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-21 19:09:24,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352550361] [2021-10-21 19:09:24,166 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:09:24,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:24,167 INFO L82 PathProgramCache]: Analyzing trace with hash 89761, now seen corresponding path program 1 times [2021-10-21 19:09:24,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:24,167 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607337617] [2021-10-21 19:09:24,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:24,167 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:24,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:24,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:09:24,175 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:24,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607337617] [2021-10-21 19:09:24,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607337617] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:09:24,176 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:09:24,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:09:24,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048212800] [2021-10-21 19:09:24,176 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 19:09:24,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:24,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:09:24,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:09:24,177 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) [2021-10-21 19:09:24,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:24,185 INFO L93 Difference]: Finished difference Result 93 states and 123 transitions. [2021-10-21 19:09:24,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:09:24,186 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 93 states and 123 transitions. [2021-10-21 19:09:24,187 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-21 19:09:24,188 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 93 states to 92 states and 122 transitions. [2021-10-21 19:09:24,188 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2021-10-21 19:09:24,188 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-10-21 19:09:24,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 92 states and 122 transitions. [2021-10-21 19:09:24,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:09:24,188 INFO L681 BuchiCegarLoop]: Abstraction has 92 states and 122 transitions. [2021-10-21 19:09:24,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states and 122 transitions. [2021-10-21 19:09:24,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2021-10-21 19:09:24,190 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) [2021-10-21 19:09:24,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 122 transitions. [2021-10-21 19:09:24,191 INFO L704 BuchiCegarLoop]: Abstraction has 92 states and 122 transitions. [2021-10-21 19:09:24,191 INFO L587 BuchiCegarLoop]: Abstraction has 92 states and 122 transitions. [2021-10-21 19:09:24,191 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-10-21 19:09:24,191 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 122 transitions. [2021-10-21 19:09:24,192 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-21 19:09:24,192 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:09:24,192 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:09:24,193 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:09:24,193 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-21 19:09:24,194 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 [2021-10-21 19:09:24,194 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 [2021-10-21 19:09:24,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:24,194 INFO L82 PathProgramCache]: Analyzing trace with hash -1161474036, now seen corresponding path program 2 times [2021-10-21 19:09:24,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:24,194 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714111694] [2021-10-21 19:09:24,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:24,195 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:24,366 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-10-21 19:09:24,366 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:24,366 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714111694] [2021-10-21 19:09:24,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714111694] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:09:24,366 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:09:24,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-21 19:09:24,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966021837] [2021-10-21 19:09:24,367 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:09:24,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:24,367 INFO L82 PathProgramCache]: Analyzing trace with hash 85982918, now seen corresponding path program 1 times [2021-10-21 19:09:24,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:24,368 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858099114] [2021-10-21 19:09:24,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:24,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:24,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:24,372 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:09:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:24,375 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:09:24,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:24,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 19:09:24,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:09:24,481 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) [2021-10-21 19:09:24,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:24,636 INFO L93 Difference]: Finished difference Result 125 states and 159 transitions. [2021-10-21 19:09:24,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:09:24,637 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 125 states and 159 transitions. [2021-10-21 19:09:24,639 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2021-10-21 19:09:24,640 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 125 states to 117 states and 151 transitions. [2021-10-21 19:09:24,640 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2021-10-21 19:09:24,640 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35 [2021-10-21 19:09:24,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 117 states and 151 transitions. [2021-10-21 19:09:24,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:09:24,641 INFO L681 BuchiCegarLoop]: Abstraction has 117 states and 151 transitions. [2021-10-21 19:09:24,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states and 151 transitions. [2021-10-21 19:09:24,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 88. [2021-10-21 19:09:24,643 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) [2021-10-21 19:09:24,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 116 transitions. [2021-10-21 19:09:24,643 INFO L704 BuchiCegarLoop]: Abstraction has 88 states and 116 transitions. [2021-10-21 19:09:24,643 INFO L587 BuchiCegarLoop]: Abstraction has 88 states and 116 transitions. [2021-10-21 19:09:24,644 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-10-21 19:09:24,644 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 88 states and 116 transitions. [2021-10-21 19:09:24,644 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-21 19:09:24,645 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:09:24,645 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:09:24,645 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:09:24,646 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-21 19:09:24,646 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 [2021-10-21 19:09:24,646 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 [2021-10-21 19:09:24,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:24,646 INFO L82 PathProgramCache]: Analyzing trace with hash -1161473974, now seen corresponding path program 1 times [2021-10-21 19:09:24,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:24,647 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579646389] [2021-10-21 19:09:24,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:24,647 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:24,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:24,661 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:09:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:24,678 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:09:24,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:24,678 INFO L82 PathProgramCache]: Analyzing trace with hash 85982918, now seen corresponding path program 2 times [2021-10-21 19:09:24,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:24,679 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399484564] [2021-10-21 19:09:24,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:24,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:24,683 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:09:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:24,686 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:09:24,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:24,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1035891741, now seen corresponding path program 1 times [2021-10-21 19:09:24,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:24,687 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001572949] [2021-10-21 19:09:24,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:24,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:24,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:24,727 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-10-21 19:09:24,727 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:24,727 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001572949] [2021-10-21 19:09:24,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001572949] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:09:24,727 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:09:24,728 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:09:24,728 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603983949] [2021-10-21 19:09:24,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:24,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:09:24,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:09:24,810 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) [2021-10-21 19:09:24,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:24,894 INFO L93 Difference]: Finished difference Result 135 states and 172 transitions. [2021-10-21 19:09:24,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:09:24,895 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 135 states and 172 transitions. [2021-10-21 19:09:24,896 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-10-21 19:09:24,897 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 135 states to 127 states and 164 transitions. [2021-10-21 19:09:24,897 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-10-21 19:09:24,897 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-21 19:09:24,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 127 states and 164 transitions. [2021-10-21 19:09:24,897 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:09:24,897 INFO L681 BuchiCegarLoop]: Abstraction has 127 states and 164 transitions. [2021-10-21 19:09:24,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states and 164 transitions. [2021-10-21 19:09:24,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 92. [2021-10-21 19:09:24,900 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) [2021-10-21 19:09:24,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 119 transitions. [2021-10-21 19:09:24,900 INFO L704 BuchiCegarLoop]: Abstraction has 92 states and 119 transitions. [2021-10-21 19:09:24,900 INFO L587 BuchiCegarLoop]: Abstraction has 92 states and 119 transitions. [2021-10-21 19:09:24,900 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-10-21 19:09:24,901 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 119 transitions. [2021-10-21 19:09:24,901 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-21 19:09:24,901 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:09:24,901 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:09:24,902 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] [2021-10-21 19:09:24,902 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-21 19:09:24,903 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 [2021-10-21 19:09:24,903 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 [2021-10-21 19:09:24,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:24,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1836811464, now seen corresponding path program 1 times [2021-10-21 19:09:24,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:24,903 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382155754] [2021-10-21 19:09:24,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:24,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:24,920 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:09:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:24,940 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:09:24,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:24,941 INFO L82 PathProgramCache]: Analyzing trace with hash 85982918, now seen corresponding path program 3 times [2021-10-21 19:09:24,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:24,941 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237751259] [2021-10-21 19:09:24,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:24,942 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:24,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:24,945 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:09:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:24,949 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:09:24,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:24,949 INFO L82 PathProgramCache]: Analyzing trace with hash -1492455953, now seen corresponding path program 1 times [2021-10-21 19:09:24,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:24,949 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859973693] [2021-10-21 19:09:24,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:24,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:24,999 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-10-21 19:09:24,999 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:24,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859973693] [2021-10-21 19:09:24,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859973693] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:25,000 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80987602] [2021-10-21 19:09:25,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:25,000 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:09:25,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:25,001 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:09:25,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (91)] Waiting until timeout for monitored process [2021-10-21 19:09:25,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:25,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:09:25,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:09:25,284 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-10-21 19:09:25,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80987602] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:25,285 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:09:25,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-10-21 19:09:25,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197051859] [2021-10-21 19:09:25,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:25,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:09:25,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:09:25,359 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) [2021-10-21 19:09:25,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:25,474 INFO L93 Difference]: Finished difference Result 182 states and 239 transitions. [2021-10-21 19:09:25,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:09:25,474 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 182 states and 239 transitions. [2021-10-21 19:09:25,476 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-21 19:09:25,478 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 182 states to 167 states and 217 transitions. [2021-10-21 19:09:25,478 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2021-10-21 19:09:25,478 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2021-10-21 19:09:25,478 INFO L73 IsDeterministic]: Start isDeterministic. Operand 167 states and 217 transitions. [2021-10-21 19:09:25,478 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:09:25,478 INFO L681 BuchiCegarLoop]: Abstraction has 167 states and 217 transitions. [2021-10-21 19:09:25,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states and 217 transitions. [2021-10-21 19:09:25,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 132. [2021-10-21 19:09:25,481 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) [2021-10-21 19:09:25,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 172 transitions. [2021-10-21 19:09:25,482 INFO L704 BuchiCegarLoop]: Abstraction has 132 states and 172 transitions. [2021-10-21 19:09:25,482 INFO L587 BuchiCegarLoop]: Abstraction has 132 states and 172 transitions. [2021-10-21 19:09:25,482 INFO L425 BuchiCegarLoop]: ======== Iteration 17============ [2021-10-21 19:09:25,483 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states and 172 transitions. [2021-10-21 19:09:25,484 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-10-21 19:09:25,484 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:09:25,484 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:09:25,484 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] [2021-10-21 19:09:25,484 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-21 19:09:25,485 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 [2021-10-21 19:09:25,485 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 [2021-10-21 19:09:25,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:25,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1704815562, now seen corresponding path program 1 times [2021-10-21 19:09:25,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:25,485 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002570148] [2021-10-21 19:09:25,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:25,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:25,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:25,502 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:09:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:25,524 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:09:25,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:25,525 INFO L82 PathProgramCache]: Analyzing trace with hash 85982918, now seen corresponding path program 4 times [2021-10-21 19:09:25,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:25,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969384049] [2021-10-21 19:09:25,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:25,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:25,529 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:09:25,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:25,532 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:09:25,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:25,533 INFO L82 PathProgramCache]: Analyzing trace with hash -2027190115, now seen corresponding path program 1 times [2021-10-21 19:09:25,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:25,533 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941276137] [2021-10-21 19:09:25,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:25,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:25,553 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:09:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:25,578 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:09:34,573 WARN L207 SmtUtils]: Spent 8.92 s on a formula simplification. DAG size of input: 319 DAG size of output: 231 [2021-10-21 19:09:35,605 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:09:35,605 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:09:35,606 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:09:35,606 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:09:35,606 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:09:35,606 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:35,606 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:09:35,606 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:09:35,606 INFO L133 ssoRankerPreferences]: Filename of dumped script: veris.c_OpenSER_cases1_stripFullBoth_arr.i_Iteration17_Lasso [2021-10-21 19:09:35,606 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:09:35,606 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:09:35,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:35,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:35,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:35,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:35,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:35,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:35,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:35,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:35,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:35,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:35,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:35,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:35,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:35,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:35,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:35,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:35,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:36,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:36,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:36,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:36,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:36,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:36,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:36,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:36,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:36,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:36,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:36,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:36,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:09:36,696 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:09:36,696 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:09:36,696 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:36,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:36,699 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:36,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-10-21 19:09:36,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:36,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:36,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:36,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:36,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:36,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:36,709 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:36,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:36,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:36,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2021-10-21 19:09:36,733 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:36,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:36,733 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:36,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-10-21 19:09:36,735 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:36,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:36,743 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:36,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:36,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:36,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:36,743 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:36,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:36,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:36,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-10-21 19:09:36,766 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:36,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:36,767 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:36,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-10-21 19:09:36,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:36,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:36,777 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:36,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:36,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:36,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:36,777 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:36,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:36,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:36,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:36,799 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:36,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:36,800 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:36,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-10-21 19:09:36,801 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:36,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:36,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:36,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:36,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:36,809 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:36,809 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:36,812 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:36,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2021-10-21 19:09:36,832 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:36,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:36,833 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:36,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-10-21 19:09:36,834 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:36,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:36,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:36,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:36,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:36,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:36,843 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:36,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:36,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:36,865 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:36,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:36,866 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:36,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-10-21 19:09:36,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:36,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:36,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:36,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:36,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:36,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:36,874 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:36,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:36,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:36,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-10-21 19:09:36,895 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:36,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:36,896 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:36,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-10-21 19:09:36,897 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:36,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:36,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:36,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:36,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:36,905 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:36,905 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:36,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:36,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2021-10-21 19:09:36,927 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:36,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:36,929 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:36,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-10-21 19:09:36,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:36,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:36,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:36,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:36,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:36,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:36,937 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:36,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:36,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:36,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2021-10-21 19:09:36,959 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:36,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:36,959 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:36,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-10-21 19:09:36,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:36,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:36,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:36,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:36,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:36,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:36,968 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:36,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:36,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:36,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:36,997 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:36,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:36,998 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:36,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-10-21 19:09:36,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:37,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:37,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:37,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:37,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:37,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:37,007 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:37,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:37,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:37,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:37,028 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:37,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:37,028 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:37,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-10-21 19:09:37,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:37,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:37,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:37,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:37,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:37,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:37,048 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:37,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:37,064 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:37,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:37,097 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:37,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:37,109 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:37,111 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:37,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-10-21 19:09:37,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:37,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:37,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:37,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:37,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:37,120 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:37,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:37,136 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:37,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:37,158 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:37,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:37,159 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:37,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-10-21 19:09:37,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:37,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:37,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:37,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:37,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:37,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:37,168 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:37,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:37,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:37,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2021-10-21 19:09:37,190 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:37,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:37,191 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:37,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-10-21 19:09:37,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:37,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:37,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:37,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:37,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:37,202 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:37,202 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:37,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:37,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:37,227 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:37,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:37,228 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:37,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-10-21 19:09:37,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:37,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:37,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:37,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:37,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:37,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:37,238 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:37,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:37,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2021-10-21 19:09:37,260 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:37,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:37,261 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:37,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-10-21 19:09:37,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:37,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:37,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:37,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:37,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:37,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:37,270 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:37,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:37,271 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:37,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:37,290 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:37,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:37,291 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:37,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-10-21 19:09:37,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:37,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:37,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:37,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:37,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:37,301 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:37,301 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:37,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:37,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2021-10-21 19:09:37,323 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:37,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:37,324 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:37,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-10-21 19:09:37,325 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:37,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:37,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:37,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:37,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:37,333 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:37,333 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:37,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:37,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2021-10-21 19:09:37,355 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:37,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:37,356 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:37,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-10-21 19:09:37,357 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:37,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:37,364 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:09:37,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:37,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:37,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:37,365 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:09:37,365 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:09:37,366 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:37,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:37,385 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:37,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:37,386 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:37,387 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:37,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:37,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:37,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:37,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:37,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-10-21 19:09:37,398 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:37,398 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:37,401 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:37,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2021-10-21 19:09:37,421 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:37,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:37,422 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:37,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-10-21 19:09:37,423 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:37,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:37,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:37,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:37,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:37,431 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:37,431 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:37,434 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:37,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:37,453 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:37,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:37,454 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:37,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-10-21 19:09:37,461 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:37,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:37,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:37,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:37,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:37,472 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:37,472 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:37,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:37,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2021-10-21 19:09:37,494 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:37,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:37,495 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:37,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-10-21 19:09:37,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:37,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:37,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:37,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:37,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:37,504 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:37,504 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:37,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:37,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:37,549 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:37,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:37,550 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:37,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-10-21 19:09:37,551 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 [2021-10-21 19:09:37,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:37,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:37,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:37,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:37,559 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:37,560 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:37,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:37,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:37,582 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:37,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:37,583 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:37,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-10-21 19:09:37,584 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:37,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:37,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:37,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:37,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:37,593 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:37,593 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:37,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:09:37,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2021-10-21 19:09:37,617 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:37,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:37,617 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:37,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-10-21 19:09:37,619 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:09:37,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:09:37,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:09:37,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:09:37,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:09:37,637 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:09:37,637 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:09:37,652 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:09:37,669 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-10-21 19:09:37,670 INFO L444 ModelExtractionUtils]: 8 out of 28 variables were initially zero. Simplification set additionally 18 variables to zero. [2021-10-21 19:09:37,670 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:37,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:37,671 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:37,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-10-21 19:09:37,672 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:09:37,679 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 19:09:37,679 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:09:37,679 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 [] [2021-10-21 19:09:37,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:37,776 INFO L297 tatePredicateManager]: 30 out of 30 supporting invariants were superfluous and have been removed [2021-10-21 19:09:37,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:37,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:09:37,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:09:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:37,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 19:09:37,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:09:38,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:09:38,012 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-21 19:09:38,012 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) [2021-10-21 19:09:38,109 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. [2021-10-21 19:09:38,110 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 [2021-10-21 19:09:38,110 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) [2021-10-21 19:09:38,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 82 transitions. [2021-10-21 19:09:38,111 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 82 transitions. Stem has 39 letters. Loop has 5 letters. [2021-10-21 19:09:38,111 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:09:38,111 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 82 transitions. Stem has 44 letters. Loop has 5 letters. [2021-10-21 19:09:38,112 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:09:38,112 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 82 transitions. Stem has 39 letters. Loop has 10 letters. [2021-10-21 19:09:38,112 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:09:38,113 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 292 states and 386 transitions. [2021-10-21 19:09:38,116 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 17 [2021-10-21 19:09:38,118 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 292 states to 192 states and 251 transitions. [2021-10-21 19:09:38,118 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2021-10-21 19:09:38,118 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2021-10-21 19:09:38,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 192 states and 251 transitions. [2021-10-21 19:09:38,119 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:09:38,119 INFO L681 BuchiCegarLoop]: Abstraction has 192 states and 251 transitions. [2021-10-21 19:09:38,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states and 251 transitions. [2021-10-21 19:09:38,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 138. [2021-10-21 19:09:38,122 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) [2021-10-21 19:09:38,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 179 transitions. [2021-10-21 19:09:38,123 INFO L704 BuchiCegarLoop]: Abstraction has 138 states and 179 transitions. [2021-10-21 19:09:38,124 INFO L587 BuchiCegarLoop]: Abstraction has 138 states and 179 transitions. [2021-10-21 19:09:38,124 INFO L425 BuchiCegarLoop]: ======== Iteration 18============ [2021-10-21 19:09:38,124 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 179 transitions. [2021-10-21 19:09:38,125 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-10-21 19:09:38,125 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:09:38,125 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:09:38,126 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] [2021-10-21 19:09:38,126 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 19:09:38,126 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 [2021-10-21 19:09:38,127 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 [2021-10-21 19:09:38,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:38,127 INFO L82 PathProgramCache]: Analyzing trace with hash -1896680144, now seen corresponding path program 1 times [2021-10-21 19:09:38,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:38,128 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821735671] [2021-10-21 19:09:38,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:38,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:38,191 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-10-21 19:09:38,191 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:38,192 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821735671] [2021-10-21 19:09:38,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821735671] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:09:38,192 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:09:38,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:09:38,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963305846] [2021-10-21 19:09:38,193 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:09:38,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:38,193 INFO L82 PathProgramCache]: Analyzing trace with hash 62664, now seen corresponding path program 3 times [2021-10-21 19:09:38,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:38,194 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409016346] [2021-10-21 19:09:38,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:38,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:38,209 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:09:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:38,212 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:09:38,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:38,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:09:38,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:09:38,262 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) [2021-10-21 19:09:38,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:38,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:38,340 INFO L93 Difference]: Finished difference Result 140 states and 182 transitions. [2021-10-21 19:09:38,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:09:38,340 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 140 states and 182 transitions. [2021-10-21 19:09:38,342 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-21 19:09:38,343 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 140 states to 127 states and 167 transitions. [2021-10-21 19:09:38,343 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-10-21 19:09:38,343 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-21 19:09:38,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 127 states and 167 transitions. [2021-10-21 19:09:38,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:09:38,343 INFO L681 BuchiCegarLoop]: Abstraction has 127 states and 167 transitions. [2021-10-21 19:09:38,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states and 167 transitions. [2021-10-21 19:09:38,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 107. [2021-10-21 19:09:38,346 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) [2021-10-21 19:09:38,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 139 transitions. [2021-10-21 19:09:38,347 INFO L704 BuchiCegarLoop]: Abstraction has 107 states and 139 transitions. [2021-10-21 19:09:38,347 INFO L587 BuchiCegarLoop]: Abstraction has 107 states and 139 transitions. [2021-10-21 19:09:38,347 INFO L425 BuchiCegarLoop]: ======== Iteration 19============ [2021-10-21 19:09:38,347 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 107 states and 139 transitions. [2021-10-21 19:09:38,348 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-21 19:09:38,348 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:09:38,349 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:09:38,354 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] [2021-10-21 19:09:38,354 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 19:09:38,354 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 [2021-10-21 19:09:38,355 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 [2021-10-21 19:09:38,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:38,355 INFO L82 PathProgramCache]: Analyzing trace with hash -1759377532, now seen corresponding path program 1 times [2021-10-21 19:09:38,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:38,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990064608] [2021-10-21 19:09:38,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:38,356 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:38,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:38,473 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-10-21 19:09:38,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:38,474 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990064608] [2021-10-21 19:09:38,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990064608] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:38,474 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505226365] [2021-10-21 19:09:38,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:38,474 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:09:38,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:38,477 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:09:38,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (119)] Waiting until timeout for monitored process [2021-10-21 19:09:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:38,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-21 19:09:38,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:09:38,695 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 [2021-10-21 19:09:38,782 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-21 19:09:38,782 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 [2021-10-21 19:09:39,046 INFO L354 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2021-10-21 19:09:39,047 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 [2021-10-21 19:09:39,152 INFO L354 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2021-10-21 19:09:39,153 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 [2021-10-21 19:09:39,160 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-10-21 19:09:39,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505226365] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:39,161 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:09:39,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 11 [2021-10-21 19:09:39,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041141854] [2021-10-21 19:09:39,162 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:09:39,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:39,162 INFO L82 PathProgramCache]: Analyzing trace with hash 62664, now seen corresponding path program 4 times [2021-10-21 19:09:39,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:39,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696096368] [2021-10-21 19:09:39,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:39,163 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:39,167 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:09:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:39,170 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:09:39,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:39,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-21 19:09:39,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-10-21 19:09:39,228 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) [2021-10-21 19:09:39,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:39,399 INFO L93 Difference]: Finished difference Result 83 states and 102 transitions. [2021-10-21 19:09:39,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:09:39,399 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 83 states and 102 transitions. [2021-10-21 19:09:39,400 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:09:39,400 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 83 states to 0 states and 0 transitions. [2021-10-21 19:09:39,400 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 19:09:39,400 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 19:09:39,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 19:09:39,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:09:39,400 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:09:39,400 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:09:39,400 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:09:39,400 INFO L425 BuchiCegarLoop]: ======== Iteration 20============ [2021-10-21 19:09:39,400 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:09:39,401 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:09:39,401 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 19:09:39,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:09:39 BoogieIcfgContainer [2021-10-21 19:09:39,406 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:09:39,407 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:09:39,407 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:09:39,407 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:09:39,407 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:08:58" (3/4) ... [2021-10-21 19:09:39,411 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:09:39,411 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:09:39,412 INFO L168 Benchmark]: Toolchain (without parser) took 41860.05 ms. Allocated memory was 107.0 MB in the beginning and 157.3 MB in the end (delta: 50.3 MB). Free memory was 69.9 MB in the beginning and 45.8 MB in the end (delta: 24.1 MB). Peak memory consumption was 74.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:09:39,413 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 107.0 MB. Free memory is still 86.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:09:39,414 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.23 ms. Allocated memory is still 107.0 MB. Free memory was 69.7 MB in the beginning and 80.3 MB in the end (delta: -10.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:09:39,414 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.45 ms. Allocated memory is still 107.0 MB. Free memory was 80.3 MB in the beginning and 78.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:09:39,415 INFO L168 Benchmark]: Boogie Preprocessor took 29.96 ms. Allocated memory is still 107.0 MB. Free memory was 78.6 MB in the beginning and 77.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:09:39,415 INFO L168 Benchmark]: RCFGBuilder took 405.16 ms. Allocated memory is still 107.0 MB. Free memory was 77.0 MB in the beginning and 63.4 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:09:39,416 INFO L168 Benchmark]: BuchiAutomizer took 41053.70 ms. Allocated memory was 107.0 MB in the beginning and 157.3 MB in the end (delta: 50.3 MB). Free memory was 63.2 MB in the beginning and 46.7 MB in the end (delta: 16.5 MB). Peak memory consumption was 68.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:09:39,416 INFO L168 Benchmark]: Witness Printer took 4.53 ms. Allocated memory is still 157.3 MB. Free memory was 46.7 MB in the beginning and 45.8 MB in the end (delta: 939.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:09:39,418 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 107.0 MB. Free memory is still 86.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 319.23 ms. Allocated memory is still 107.0 MB. Free memory was 69.7 MB in the beginning and 80.3 MB in the end (delta: -10.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.45 ms. Allocated memory is still 107.0 MB. Free memory was 80.3 MB in the beginning and 78.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.96 ms. Allocated memory is still 107.0 MB. Free memory was 78.6 MB in the beginning and 77.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 405.16 ms. Allocated memory is still 107.0 MB. Free memory was 77.0 MB in the beginning and 63.4 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 41053.70 ms. Allocated memory was 107.0 MB in the beginning and 157.3 MB in the end (delta: 50.3 MB). Free memory was 63.2 MB in the beginning and 46.7 MB in the end (delta: 16.5 MB). Peak memory consumption was 68.9 MB. Max. memory is 16.1 GB. * Witness Printer took 4.53 ms. Allocated memory is still 157.3 MB. Free memory was 46.7 MB in the beginning and 45.8 MB in the end (delta: 939.7 kB). Peak memory consumption was 2.1 MB. 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 41.0s and 20 iterations. TraceHistogramMax:8. Analysis of lassos took 38.0s. Construction of modules took 0.6s. Büchi inclusion checks took 1.9s. Highest rank in rank-based complementation 3. Minimization of det autom 10. Minimization of nondet autom 9. Automata minimization 88.5ms 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, 690.2ms 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: 15ms 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! [2021-10-21 19:09:39,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (119)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:39,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (91)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:39,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2021-10-21 19:09:40,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:40,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2021-10-21 19:09:40,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-10-21 19:09:40,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-10-21 19:09:40,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-10-21 19:09:41,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-10-21 19:09:41,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509670f9-a5aa-4300-b584-52bccc122e7b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...