./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt --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 299675cd7d4407f694cbe325e25f9b11b568ca64 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:06:44,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:06:44,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:06:44,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:06:44,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:06:44,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:06:44,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:06:44,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:06:44,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:06:44,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:06:44,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:06:44,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:06:44,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:06:44,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:06:44,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:06:44,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:06:44,262 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:06:44,263 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:06:44,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:06:44,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:06:44,276 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:06:44,277 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:06:44,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:06:44,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:06:44,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:06:44,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:06:44,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:06:44,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:06:44,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:06:44,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:06:44,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:06:44,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:06:44,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:06:44,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:06:44,303 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:06:44,303 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:06:44,304 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:06:44,304 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:06:44,305 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:06:44,306 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:06:44,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:06:44,307 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 01:06:44,347 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:06:44,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:06:44,349 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:06:44,350 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:06:44,351 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:06:44,351 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:06:44,351 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:06:44,352 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 01:06:44,352 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 01:06:44,352 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 01:06:44,353 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 01:06:44,353 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 01:06:44,354 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 01:06:44,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:06:44,354 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:06:44,354 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 01:06:44,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:06:44,355 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:06:44,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:06:44,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 01:06:44,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 01:06:44,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 01:06:44,356 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:06:44,356 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:06:44,356 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 01:06:44,356 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:06:44,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 01:06:44,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:06:44,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:06:44,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:06:44,359 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:06:44,359 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:06:44,361 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 01:06:44,361 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_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 299675cd7d4407f694cbe325e25f9b11b568ca64 [2021-10-13 01:06:44,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:06:44,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:06:44,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:06:44,647 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:06:44,649 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:06:44,650 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c [2021-10-13 01:06:44,733 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/data/1085dbda2/cc3003a293e6404187d0917321c42aab/FLAG9bd13acd4 [2021-10-13 01:06:45,370 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:06:45,371 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c [2021-10-13 01:06:45,386 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/data/1085dbda2/cc3003a293e6404187d0917321c42aab/FLAG9bd13acd4 [2021-10-13 01:06:45,680 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/data/1085dbda2/cc3003a293e6404187d0917321c42aab [2021-10-13 01:06:45,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:06:45,684 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:06:45,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:06:45,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:06:45,689 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:06:45,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:06:45" (1/1) ... [2021-10-13 01:06:45,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f9f6b84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:45, skipping insertion in model container [2021-10-13 01:06:45,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:06:45" (1/1) ... [2021-10-13 01:06:45,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:06:45,733 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:06:46,000 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_3c288acf-2d3f-443b-ab1f-1b74e8c28949/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c[12792,12805] [2021-10-13 01:06:46,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:06:46,010 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:06:46,067 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_3c288acf-2d3f-443b-ab1f-1b74e8c28949/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c[12792,12805] [2021-10-13 01:06:46,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:06:46,083 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:06:46,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:46 WrapperNode [2021-10-13 01:06:46,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:06:46,085 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:06:46,085 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:06:46,086 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:06:46,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:46" (1/1) ... [2021-10-13 01:06:46,105 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:46" (1/1) ... [2021-10-13 01:06:46,163 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:06:46,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:06:46,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:06:46,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:06:46,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:46" (1/1) ... [2021-10-13 01:06:46,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:46" (1/1) ... [2021-10-13 01:06:46,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:46" (1/1) ... [2021-10-13 01:06:46,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:46" (1/1) ... [2021-10-13 01:06:46,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:46" (1/1) ... [2021-10-13 01:06:46,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:46" (1/1) ... [2021-10-13 01:06:46,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:46" (1/1) ... [2021-10-13 01:06:46,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:06:46,253 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:06:46,253 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:06:46,253 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:06:46,256 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:46" (1/1) ... [2021-10-13 01:06:46,264 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:46,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:46,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:46,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 01:06:46,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 01:06:46,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:06:46,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:06:46,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:06:47,002 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:06:47,005 INFO L299 CfgBuilder]: Removed 23 assume(true) statements. [2021-10-13 01:06:47,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:06:47 BoogieIcfgContainer [2021-10-13 01:06:47,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:06:47,013 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 01:06:47,018 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 01:06:47,022 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 01:06:47,023 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:06:47,024 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 01:06:45" (1/3) ... [2021-10-13 01:06:47,028 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1de04256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:06:47, skipping insertion in model container [2021-10-13 01:06:47,028 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:06:47,028 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:06:46" (2/3) ... [2021-10-13 01:06:47,028 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1de04256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:06:47, skipping insertion in model container [2021-10-13 01:06:47,029 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:06:47,029 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:06:47" (3/3) ... [2021-10-13 01:06:47,031 INFO L389 chiAutomizerObserver]: Analyzing ICFG pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c [2021-10-13 01:06:47,097 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 01:06:47,098 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 01:06:47,098 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 01:06:47,098 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 01:06:47,098 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 01:06:47,098 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 01:06:47,099 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 01:06:47,099 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 01:06:47,119 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 121 states, 120 states have (on average 1.7) internal successors, (204), 120 states have internal predecessors, (204), 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) [2021-10-13 01:06:47,145 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 79 [2021-10-13 01:06:47,145 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:06:47,145 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:06:47,155 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:06:47,155 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [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] [2021-10-13 01:06:47,155 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 01:06:47,156 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 121 states, 120 states have (on average 1.7) internal successors, (204), 120 states have internal predecessors, (204), 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) [2021-10-13 01:06:47,165 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 79 [2021-10-13 01:06:47,165 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:06:47,165 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:06:47,167 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:06:47,168 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [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] [2021-10-13 01:06:47,175 INFO L791 eck$LassoCheckResult]: Stem: 104#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(50);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0; 31#L-1true havoc main_#res;havoc main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~ret43, main_#t~ret44, main_#t~post45, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet17;havoc main_#t~nondet17;~id1~0 := main_#t~nondet18;havoc main_#t~nondet18;~st1~0 := main_#t~nondet19;havoc main_#t~nondet19;~send1~0 := main_#t~nondet20;havoc main_#t~nondet20;~mode1~0 := main_#t~nondet21;havoc main_#t~nondet21;~alive1~0 := main_#t~nondet22;havoc main_#t~nondet22;~id2~0 := main_#t~nondet23;havoc main_#t~nondet23;~st2~0 := main_#t~nondet24;havoc main_#t~nondet24;~send2~0 := main_#t~nondet25;havoc main_#t~nondet25;~mode2~0 := main_#t~nondet26;havoc main_#t~nondet26;~alive2~0 := main_#t~nondet27;havoc main_#t~nondet27;~id3~0 := main_#t~nondet28;havoc main_#t~nondet28;~st3~0 := main_#t~nondet29;havoc main_#t~nondet29;~send3~0 := main_#t~nondet30;havoc main_#t~nondet30;~mode3~0 := main_#t~nondet31;havoc main_#t~nondet31;~alive3~0 := main_#t~nondet32;havoc main_#t~nondet32;~id4~0 := main_#t~nondet33;havoc main_#t~nondet33;~st4~0 := main_#t~nondet34;havoc main_#t~nondet34;~send4~0 := main_#t~nondet35;havoc main_#t~nondet35;~mode4~0 := main_#t~nondet36;havoc main_#t~nondet36;~alive4~0 := main_#t~nondet37;havoc main_#t~nondet37;~id5~0 := main_#t~nondet38;havoc main_#t~nondet38;~st5~0 := main_#t~nondet39;havoc main_#t~nondet39;~send5~0 := main_#t~nondet40;havoc main_#t~nondet40;~mode5~0 := main_#t~nondet41;havoc main_#t~nondet41;~alive5~0 := main_#t~nondet42;havoc main_#t~nondet42;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 118#L248true assume !(0 == ~r1~0);init_~tmp~0 := 0; 70#L248-1true init_#res := init_~tmp~0; 116#L377true main_#t~ret43 := init_#res;main_~i2~0 := main_#t~ret43;havoc main_#t~ret43;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 34#L22true assume !(0 == assume_abort_if_not_~cond); 87#L21true ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0 := 0; 51#L446-2true [2021-10-13 01:06:47,180 INFO L793 eck$LassoCheckResult]: Loop: 51#L446-2true assume !!(main_~i2~0 < 10);havoc node1_#t~ite7, node1_#t~ite8, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 64#L76true assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 10#L80true assume !(node1_~m1~0 != ~nomsg~0); 102#L80-1true ~mode1~0 := 0; 108#L76-2true havoc node2_#t~ite9, node2_#t~ite10, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 99#L113true assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 26#L116true assume !(node2_~m2~0 != ~nomsg~0); 88#L116-1true ~mode2~0 := 0; 38#L113-2true havoc node3_#t~ite11, node3_#t~ite12, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 103#L147true assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 89#L150true assume !(node3_~m3~0 != ~nomsg~0); 8#L150-1true ~mode3~0 := 0; 78#L147-2true havoc node4_#t~ite13, node4_#t~ite14, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 85#L181true assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 75#L184true assume !(node4_~m4~0 != ~nomsg~0); 109#L184-1true ~mode4~0 := 0; 39#L181-2true havoc node5_#t~ite15, node5_#t~ite16, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 120#L215true assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 32#L218true assume !(node5_~m5~0 != ~nomsg~0); 33#L218-1true ~mode5~0 := 0; 107#L215-2true ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 15#L385true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1);check_~tmp~1 := 0; 105#L385-1true check_#res := check_~tmp~1; 113#L397true main_#t~ret44 := check_#res;main_~c1~0 := main_#t~ret44;havoc main_#t~ret44;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 35#L476true assume !(0 == assert_~arg % 256); 23#L471true main_#t~post45 := main_~i2~0;main_~i2~0 := 1 + main_#t~post45;havoc main_#t~post45; 51#L446-2true [2021-10-13 01:06:47,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:47,188 INFO L82 PathProgramCache]: Analyzing trace with hash 1984313218, now seen corresponding path program 1 times [2021-10-13 01:06:47,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:06:47,198 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854309648] [2021-10-13 01:06:47,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:06:47,199 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:06:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:06:47,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:06:47,502 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:06:47,502 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854309648] [2021-10-13 01:06:47,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854309648] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:06:47,504 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:06:47,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 01:06:47,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437425575] [2021-10-13 01:06:47,522 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 01:06:47,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:47,528 INFO L82 PathProgramCache]: Analyzing trace with hash 738213390, now seen corresponding path program 1 times [2021-10-13 01:06:47,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:06:47,529 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569137790] [2021-10-13 01:06:47,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:06:47,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:06:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:06:47,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:06:47,770 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:06:47,771 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569137790] [2021-10-13 01:06:47,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569137790] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:06:47,772 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:06:47,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 01:06:47,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529149763] [2021-10-13 01:06:47,773 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 01:06:47,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:06:47,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 01:06:47,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:06:47,789 INFO L87 Difference]: Start difference. First operand has 121 states, 120 states have (on average 1.7) internal successors, (204), 120 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:06:47,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:06:47,884 INFO L93 Difference]: Finished difference Result 124 states and 203 transitions. [2021-10-13 01:06:47,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 01:06:47,887 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 124 states and 203 transitions. [2021-10-13 01:06:47,892 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 78 [2021-10-13 01:06:47,898 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 124 states to 116 states and 164 transitions. [2021-10-13 01:06:47,899 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 116 [2021-10-13 01:06:47,900 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 116 [2021-10-13 01:06:47,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 116 states and 164 transitions. [2021-10-13 01:06:47,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:06:47,902 INFO L681 BuchiCegarLoop]: Abstraction has 116 states and 164 transitions. [2021-10-13 01:06:47,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states and 164 transitions. [2021-10-13 01:06:47,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2021-10-13 01:06:47,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 116 states have (on average 1.4137931034482758) internal successors, (164), 115 states have internal predecessors, (164), 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) [2021-10-13 01:06:47,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 164 transitions. [2021-10-13 01:06:47,936 INFO L704 BuchiCegarLoop]: Abstraction has 116 states and 164 transitions. [2021-10-13 01:06:47,936 INFO L587 BuchiCegarLoop]: Abstraction has 116 states and 164 transitions. [2021-10-13 01:06:47,936 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 01:06:47,936 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states and 164 transitions. [2021-10-13 01:06:47,939 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 78 [2021-10-13 01:06:47,939 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:06:47,939 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:06:47,941 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:06:47,941 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [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] [2021-10-13 01:06:47,942 INFO L791 eck$LassoCheckResult]: Stem: 376#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(50);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0; 305#L-1 havoc main_#res;havoc main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~ret43, main_#t~ret44, main_#t~post45, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet17;havoc main_#t~nondet17;~id1~0 := main_#t~nondet18;havoc main_#t~nondet18;~st1~0 := main_#t~nondet19;havoc main_#t~nondet19;~send1~0 := main_#t~nondet20;havoc main_#t~nondet20;~mode1~0 := main_#t~nondet21;havoc main_#t~nondet21;~alive1~0 := main_#t~nondet22;havoc main_#t~nondet22;~id2~0 := main_#t~nondet23;havoc main_#t~nondet23;~st2~0 := main_#t~nondet24;havoc main_#t~nondet24;~send2~0 := main_#t~nondet25;havoc main_#t~nondet25;~mode2~0 := main_#t~nondet26;havoc main_#t~nondet26;~alive2~0 := main_#t~nondet27;havoc main_#t~nondet27;~id3~0 := main_#t~nondet28;havoc main_#t~nondet28;~st3~0 := main_#t~nondet29;havoc main_#t~nondet29;~send3~0 := main_#t~nondet30;havoc main_#t~nondet30;~mode3~0 := main_#t~nondet31;havoc main_#t~nondet31;~alive3~0 := main_#t~nondet32;havoc main_#t~nondet32;~id4~0 := main_#t~nondet33;havoc main_#t~nondet33;~st4~0 := main_#t~nondet34;havoc main_#t~nondet34;~send4~0 := main_#t~nondet35;havoc main_#t~nondet35;~mode4~0 := main_#t~nondet36;havoc main_#t~nondet36;~alive4~0 := main_#t~nondet37;havoc main_#t~nondet37;~id5~0 := main_#t~nondet38;havoc main_#t~nondet38;~st5~0 := main_#t~nondet39;havoc main_#t~nondet39;~send5~0 := main_#t~nondet40;havoc main_#t~nondet40;~mode5~0 := main_#t~nondet41;havoc main_#t~nondet41;~alive5~0 := main_#t~nondet42;havoc main_#t~nondet42;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 306#L248 assume 0 == ~r1~0; 267#L249 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 >= 1; 268#L250 assume ~id1~0 >= 0; 359#L251 assume 0 == ~st1~0; 323#L252 assume ~send1~0 == ~id1~0; 324#L253 assume 0 == ~mode1~0 % 256; 326#L254 assume ~id2~0 >= 0; 288#L255 assume 0 == ~st2~0; 289#L256 assume ~send2~0 == ~id2~0; 325#L257 assume 0 == ~mode2~0 % 256; 301#L258 assume ~id3~0 >= 0; 302#L259 assume 0 == ~st3~0; 352#L260 assume ~send3~0 == ~id3~0; 353#L261 assume 0 == ~mode3~0 % 256; 331#L262 assume ~id4~0 >= 0; 332#L263 assume 0 == ~st4~0; 340#L264 assume ~send4~0 == ~id4~0; 341#L265 assume 0 == ~mode4~0 % 256; 280#L266 assume ~id5~0 >= 0; 281#L267 assume 0 == ~st5~0; 291#L268 assume ~send5~0 == ~id5~0; 292#L269 assume 0 == ~mode5~0 % 256; 274#L270 assume ~id1~0 != ~id2~0; 275#L271 assume ~id1~0 != ~id3~0; 303#L272 assume ~id1~0 != ~id4~0; 314#L273 assume ~id1~0 != ~id5~0; 338#L274 assume ~id2~0 != ~id3~0; 366#L275 assume ~id2~0 != ~id4~0; 263#L276 assume ~id2~0 != ~id5~0; 264#L277 assume ~id3~0 != ~id4~0; 377#L278 assume ~id3~0 != ~id5~0; 327#L279 assume ~id4~0 != ~id5~0;init_~tmp~0 := 1; 328#L248-1 init_#res := init_~tmp~0; 358#L377 main_#t~ret43 := init_#res;main_~i2~0 := main_#t~ret43;havoc main_#t~ret43;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 312#L22 assume !(0 == assume_abort_if_not_~cond); 313#L21 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0 := 0; 294#L446-2 [2021-10-13 01:06:47,942 INFO L793 eck$LassoCheckResult]: Loop: 294#L446-2 assume !!(main_~i2~0 < 10);havoc node1_#t~ite7, node1_#t~ite8, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 336#L76 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 276#L80 assume !(node1_~m1~0 != ~nomsg~0); 278#L80-1 ~mode1~0 := 0; 372#L76-2 havoc node2_#t~ite9, node2_#t~ite10, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 373#L113 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 298#L116 assume !(node2_~m2~0 != ~nomsg~0); 270#L116-1 ~mode2~0 := 0; 296#L113-2 havoc node3_#t~ite11, node3_#t~ite12, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 317#L147 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 368#L150 assume !(node3_~m3~0 != ~nomsg~0); 272#L150-1 ~mode3~0 := 0; 273#L147-2 havoc node4_#t~ite13, node4_#t~ite14, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 364#L181 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 361#L184 assume !(node4_~m4~0 != ~nomsg~0); 348#L184-1 ~mode4~0 := 0; 318#L181-2 havoc node5_#t~ite15, node5_#t~ite16, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 319#L215 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 307#L218 assume !(node5_~m5~0 != ~nomsg~0); 309#L218-1 ~mode5~0 := 0; 310#L215-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 284#L385 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1);check_~tmp~1 := 0; 285#L385-1 check_#res := check_~tmp~1; 375#L397 main_#t~ret44 := check_#res;main_~c1~0 := main_#t~ret44;havoc main_#t~ret44;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 311#L476 assume !(0 == assert_~arg % 256); 293#L471 main_#t~post45 := main_~i2~0;main_~i2~0 := 1 + main_#t~post45;havoc main_#t~post45; 294#L446-2 [2021-10-13 01:06:47,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:47,943 INFO L82 PathProgramCache]: Analyzing trace with hash -1707437673, now seen corresponding path program 1 times [2021-10-13 01:06:47,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:06:47,943 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413244516] [2021-10-13 01:06:47,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:06:47,944 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:06:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:47,985 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:06:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:48,086 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:06:48,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:48,087 INFO L82 PathProgramCache]: Analyzing trace with hash 738213390, now seen corresponding path program 2 times [2021-10-13 01:06:48,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:06:48,088 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412897744] [2021-10-13 01:06:48,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:06:48,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:06:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:06:48,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:06:48,232 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:06:48,232 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412897744] [2021-10-13 01:06:48,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412897744] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:06:48,234 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:06:48,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 01:06:48,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059459064] [2021-10-13 01:06:48,237 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 01:06:48,238 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:06:48,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 01:06:48,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:06:48,240 INFO L87 Difference]: Start difference. First operand 116 states and 164 transitions. cyclomatic complexity: 49 Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:06:48,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:06:48,312 INFO L93 Difference]: Finished difference Result 119 states and 166 transitions. [2021-10-13 01:06:48,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 01:06:48,313 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 119 states and 166 transitions. [2021-10-13 01:06:48,318 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 78 [2021-10-13 01:06:48,322 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 119 states to 116 states and 162 transitions. [2021-10-13 01:06:48,324 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 116 [2021-10-13 01:06:48,325 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 116 [2021-10-13 01:06:48,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 116 states and 162 transitions. [2021-10-13 01:06:48,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:06:48,329 INFO L681 BuchiCegarLoop]: Abstraction has 116 states and 162 transitions. [2021-10-13 01:06:48,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states and 162 transitions. [2021-10-13 01:06:48,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2021-10-13 01:06:48,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 116 states have (on average 1.396551724137931) internal successors, (162), 115 states have internal predecessors, (162), 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) [2021-10-13 01:06:48,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 162 transitions. [2021-10-13 01:06:48,345 INFO L704 BuchiCegarLoop]: Abstraction has 116 states and 162 transitions. [2021-10-13 01:06:48,345 INFO L587 BuchiCegarLoop]: Abstraction has 116 states and 162 transitions. [2021-10-13 01:06:48,345 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-13 01:06:48,346 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states and 162 transitions. [2021-10-13 01:06:48,349 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 78 [2021-10-13 01:06:48,349 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:06:48,350 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:06:48,353 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:06:48,355 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [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, 1] [2021-10-13 01:06:48,355 INFO L791 eck$LassoCheckResult]: Stem: 622#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(50);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0; 552#L-1 havoc main_#res;havoc main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~ret43, main_#t~ret44, main_#t~post45, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet17;havoc main_#t~nondet17;~id1~0 := main_#t~nondet18;havoc main_#t~nondet18;~st1~0 := main_#t~nondet19;havoc main_#t~nondet19;~send1~0 := main_#t~nondet20;havoc main_#t~nondet20;~mode1~0 := main_#t~nondet21;havoc main_#t~nondet21;~alive1~0 := main_#t~nondet22;havoc main_#t~nondet22;~id2~0 := main_#t~nondet23;havoc main_#t~nondet23;~st2~0 := main_#t~nondet24;havoc main_#t~nondet24;~send2~0 := main_#t~nondet25;havoc main_#t~nondet25;~mode2~0 := main_#t~nondet26;havoc main_#t~nondet26;~alive2~0 := main_#t~nondet27;havoc main_#t~nondet27;~id3~0 := main_#t~nondet28;havoc main_#t~nondet28;~st3~0 := main_#t~nondet29;havoc main_#t~nondet29;~send3~0 := main_#t~nondet30;havoc main_#t~nondet30;~mode3~0 := main_#t~nondet31;havoc main_#t~nondet31;~alive3~0 := main_#t~nondet32;havoc main_#t~nondet32;~id4~0 := main_#t~nondet33;havoc main_#t~nondet33;~st4~0 := main_#t~nondet34;havoc main_#t~nondet34;~send4~0 := main_#t~nondet35;havoc main_#t~nondet35;~mode4~0 := main_#t~nondet36;havoc main_#t~nondet36;~alive4~0 := main_#t~nondet37;havoc main_#t~nondet37;~id5~0 := main_#t~nondet38;havoc main_#t~nondet38;~st5~0 := main_#t~nondet39;havoc main_#t~nondet39;~send5~0 := main_#t~nondet40;havoc main_#t~nondet40;~mode5~0 := main_#t~nondet41;havoc main_#t~nondet41;~alive5~0 := main_#t~nondet42;havoc main_#t~nondet42;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 553#L248 assume 0 == ~r1~0; 514#L249 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 >= 1; 515#L250 assume ~id1~0 >= 0; 606#L251 assume 0 == ~st1~0; 570#L252 assume ~send1~0 == ~id1~0; 571#L253 assume 0 == ~mode1~0 % 256; 573#L254 assume ~id2~0 >= 0; 535#L255 assume 0 == ~st2~0; 536#L256 assume ~send2~0 == ~id2~0; 572#L257 assume 0 == ~mode2~0 % 256; 548#L258 assume ~id3~0 >= 0; 549#L259 assume 0 == ~st3~0; 599#L260 assume ~send3~0 == ~id3~0; 600#L261 assume 0 == ~mode3~0 % 256; 578#L262 assume ~id4~0 >= 0; 579#L263 assume 0 == ~st4~0; 587#L264 assume ~send4~0 == ~id4~0; 588#L265 assume 0 == ~mode4~0 % 256; 527#L266 assume ~id5~0 >= 0; 528#L267 assume 0 == ~st5~0; 538#L268 assume ~send5~0 == ~id5~0; 539#L269 assume 0 == ~mode5~0 % 256; 521#L270 assume ~id1~0 != ~id2~0; 522#L271 assume ~id1~0 != ~id3~0; 550#L272 assume ~id1~0 != ~id4~0; 561#L273 assume ~id1~0 != ~id5~0; 585#L274 assume ~id2~0 != ~id3~0; 613#L275 assume ~id2~0 != ~id4~0; 510#L276 assume ~id2~0 != ~id5~0; 511#L277 assume ~id3~0 != ~id4~0; 624#L278 assume ~id3~0 != ~id5~0; 574#L279 assume ~id4~0 != ~id5~0;init_~tmp~0 := 1; 575#L248-1 init_#res := init_~tmp~0; 605#L377 main_#t~ret43 := init_#res;main_~i2~0 := main_#t~ret43;havoc main_#t~ret43;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 558#L22 assume !(0 == assume_abort_if_not_~cond); 559#L21 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0 := 0; 543#L446-2 [2021-10-13 01:06:48,361 INFO L793 eck$LassoCheckResult]: Loop: 543#L446-2 assume !!(main_~i2~0 < 10);havoc node1_#t~ite7, node1_#t~ite8, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 583#L76 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 523#L80 assume !(node1_~m1~0 != ~nomsg~0); 525#L80-1 ~mode1~0 := 0; 619#L76-2 havoc node2_#t~ite9, node2_#t~ite10, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 620#L113 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 545#L116 assume !(node2_~m2~0 != ~nomsg~0); 517#L116-1 ~mode2~0 := 0; 541#L113-2 havoc node3_#t~ite11, node3_#t~ite12, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 564#L147 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 615#L150 assume !(node3_~m3~0 != ~nomsg~0); 519#L150-1 ~mode3~0 := 0; 520#L147-2 havoc node4_#t~ite13, node4_#t~ite14, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 611#L181 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 608#L184 assume !(node4_~m4~0 != ~nomsg~0); 595#L184-1 ~mode4~0 := 0; 565#L181-2 havoc node5_#t~ite15, node5_#t~ite16, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 566#L215 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 554#L218 assume !(node5_~m5~0 != ~nomsg~0); 556#L218-1 ~mode5~0 := 0; 557#L215-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 531#L385 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 532#L386 assume ~r1~0 < 5;check_~tmp~1 := 1; 534#L385-1 check_#res := check_~tmp~1; 623#L397 main_#t~ret44 := check_#res;main_~c1~0 := main_#t~ret44;havoc main_#t~ret44;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 560#L476 assume !(0 == assert_~arg % 256); 542#L471 main_#t~post45 := main_~i2~0;main_~i2~0 := 1 + main_#t~post45;havoc main_#t~post45; 543#L446-2 [2021-10-13 01:06:48,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:48,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1707437673, now seen corresponding path program 2 times [2021-10-13 01:06:48,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:06:48,363 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920848811] [2021-10-13 01:06:48,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:06:48,364 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:06:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:48,415 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:06:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:48,470 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:06:48,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:48,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1026451556, now seen corresponding path program 1 times [2021-10-13 01:06:48,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:06:48,471 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712488860] [2021-10-13 01:06:48,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:06:48,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:06:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:48,485 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:06:48,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:06:48,504 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:06:48,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:48,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1906603762, now seen corresponding path program 1 times [2021-10-13 01:06:48,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:06:48,506 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49094477] [2021-10-13 01:06:48,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:06:48,506 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:06:48,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:06:48,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:06:48,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:06:48,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49094477] [2021-10-13 01:06:48,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49094477] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:06:48,597 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:06:48,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:06:48,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320488450] [2021-10-13 01:06:49,673 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:06:49,674 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:06:49,674 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:06:49,674 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:06:49,675 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 01:06:49,675 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:49,675 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:06:49,675 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:06:49,675 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_Iteration3_Loop [2021-10-13 01:06:49,675 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:06:49,676 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:06:49,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:49,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:49,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:49,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:49,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:49,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:49,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:49,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:49,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:49,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:49,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:49,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:49,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:49,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:49,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:49,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:49,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:49,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:49,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:49,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:49,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:49,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:49,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:50,416 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:06:50,419 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 01:06:50,421 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:50,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:50,425 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:50,432 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:06:50,432 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:06:50,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 01:06:50,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:50,477 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:50,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:50,478 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:50,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 01:06:50,482 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 01:06:50,482 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:06:50,664 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 01:06:50,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:50,674 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:06:50,674 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:06:50,674 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:06:50,674 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:06:50,675 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:06:50,675 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:50,675 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:06:50,675 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:06:50,675 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_Iteration3_Loop [2021-10-13 01:06:50,675 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:06:50,675 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:06:50,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:50,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:50,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:50,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:50,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:50,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:50,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:50,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:50,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:50,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:50,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:50,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:50,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:50,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:50,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:50,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:50,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:50,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:50,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:50,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:50,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:50,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:50,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:06:51,385 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:06:51,397 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:06:51,398 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:51,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:51,405 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:51,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:51,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:51,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:51,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:51,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:51,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:51,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 01:06:51,421 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:51,421 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:51,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:51,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:51,474 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:51,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:51,476 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:51,483 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:51,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:51,492 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:51,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:51,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:51,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:51,493 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:51,493 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:51,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 01:06:51,495 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:51,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:51,524 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:51,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:51,525 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:51,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 01:06:51,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:51,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:51,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:51,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:51,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:51,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:51,535 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:51,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:51,560 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:51,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:51,593 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:51,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:51,596 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:51,602 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:51,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:51,611 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:51,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:51,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:51,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:51,612 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:51,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:51,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 01:06:51,628 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:51,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:51,668 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:51,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:51,669 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:51,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:51,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:51,684 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:51,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:51,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:51,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:51,685 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:51,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:51,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 01:06:51,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:51,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:51,729 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:51,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:51,730 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:51,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:51,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 01:06:51,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:51,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:51,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:51,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:51,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:51,751 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:51,751 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:51,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:51,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:51,809 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:51,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:51,811 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:51,815 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:51,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 01:06:51,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:51,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:51,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:51,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:51,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:51,824 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:51,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:51,829 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:51,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:51,856 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:51,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:51,857 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:51,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 01:06:51,861 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:51,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:51,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:51,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:51,869 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 01:06:51,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:51,871 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 01:06:51,871 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:51,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:51,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:51,894 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:51,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:51,896 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:51,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 01:06:51,899 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:51,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:51,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:51,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:51,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:51,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:51,908 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:51,908 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:51,912 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:51,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:51,931 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:51,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:51,932 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:51,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 01:06:51,933 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:51,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:51,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:51,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:51,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:51,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:51,941 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:51,941 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:51,942 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:51,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:51,962 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:51,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:51,963 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:51,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 01:06:51,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:51,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:51,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:51,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:51,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:51,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:51,972 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:51,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:51,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:51,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:51,995 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:51,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:51,996 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:51,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 01:06:52,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:52,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:52,007 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:52,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:52,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:52,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:52,007 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:52,008 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:52,034 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:52,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:52,053 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:52,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:52,054 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:52,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 01:06:52,058 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:52,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:52,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:52,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:52,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:52,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:52,071 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:52,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:52,073 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:52,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:52,092 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:52,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:52,093 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:52,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 01:06:52,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:52,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:52,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:52,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:52,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:52,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:52,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:52,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:52,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:06:52,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:52,123 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:52,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:52,124 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:52,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-13 01:06:52,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:06:52,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:06:52,135 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:06:52,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:06:52,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:06:52,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:06:52,136 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:06:52,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:06:52,138 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:06:52,142 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 01:06:52,142 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-13 01:06:52,143 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:06:52,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:06:52,163 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:06:52,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-13 01:06:52,189 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:06:52,189 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 01:06:52,189 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:06:52,189 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 19 Supporting invariants [] [2021-10-13 01:06:52,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:52,211 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 01:06:52,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:06:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:06:52,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:06:52,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:06:52,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:06:52,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 01:06:52,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:06:52,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-13 01:06:52,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:06:52,731 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 [2021-10-13 01:06:52,732 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 116 states and 162 transitions. cyclomatic complexity: 47 Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2021-10-13 01:06:52,806 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 116 states and 162 transitions. cyclomatic complexity: 47. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 194 states and 287 transitions. Complement of second has 4 states. [2021-10-13 01:06:52,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-13 01:06:52,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2021-10-13 01:06:52,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 162 transitions. [2021-10-13 01:06:52,809 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 162 transitions. Stem has 38 letters. Loop has 27 letters. [2021-10-13 01:06:52,812 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:06:52,812 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 162 transitions. Stem has 65 letters. Loop has 27 letters. [2021-10-13 01:06:52,814 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:06:52,815 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 162 transitions. Stem has 38 letters. Loop has 54 letters. [2021-10-13 01:06:52,819 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:06:52,819 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 194 states and 287 transitions. [2021-10-13 01:06:52,823 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 01:06:52,823 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 194 states to 0 states and 0 transitions. [2021-10-13 01:06:52,823 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 01:06:52,824 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 01:06:52,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 01:06:52,824 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:06:52,824 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:06:52,824 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:06:52,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:06:52,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:06:52,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:06:52,825 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2021-10-13 01:06:52,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:06:52,826 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-13 01:06:52,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 01:06:52,826 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-13 01:06:52,826 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 01:06:52,826 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 01:06:52,826 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 01:06:52,827 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 01:06:52,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 01:06:52,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:06:52,827 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:06:52,827 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:06:52,827 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:06:52,827 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-13 01:06:52,827 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 01:06:52,828 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 01:06:52,828 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 01:06:52,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 01:06:52 BoogieIcfgContainer [2021-10-13 01:06:52,833 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 01:06:52,834 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:06:52,834 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:06:52,834 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:06:52,834 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:06:47" (3/4) ... [2021-10-13 01:06:52,837 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 01:06:52,837 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:06:52,842 INFO L168 Benchmark]: Toolchain (without parser) took 7153.63 ms. Allocated memory was 117.4 MB in the beginning and 151.0 MB in the end (delta: 33.6 MB). Free memory was 81.5 MB in the beginning and 95.8 MB in the end (delta: -14.3 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. [2021-10-13 01:06:52,844 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 117.4 MB. Free memory was 90.6 MB in the beginning and 90.6 MB in the end (delta: 30.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:06:52,845 INFO L168 Benchmark]: CACSL2BoogieTranslator took 398.47 ms. Allocated memory is still 117.4 MB. Free memory was 81.3 MB in the beginning and 87.7 MB in the end (delta: -6.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:06:52,846 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.24 ms. Allocated memory is still 117.4 MB. Free memory was 87.7 MB in the beginning and 85.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 01:06:52,846 INFO L168 Benchmark]: Boogie Preprocessor took 79.27 ms. Allocated memory is still 117.4 MB. Free memory was 85.1 MB in the beginning and 83.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:06:52,848 INFO L168 Benchmark]: RCFGBuilder took 756.70 ms. Allocated memory is still 117.4 MB. Free memory was 83.0 MB in the beginning and 60.8 MB in the end (delta: 22.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-13 01:06:52,850 INFO L168 Benchmark]: BuchiAutomizer took 5819.83 ms. Allocated memory was 117.4 MB in the beginning and 151.0 MB in the end (delta: 33.6 MB). Free memory was 60.8 MB in the beginning and 95.8 MB in the end (delta: -35.0 MB). Peak memory consumption was 1.3 MB. Max. memory is 16.1 GB. [2021-10-13 01:06:52,851 INFO L168 Benchmark]: Witness Printer took 3.45 ms. Allocated memory is still 151.0 MB. Free memory is still 95.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:06:52,853 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 117.4 MB. Free memory was 90.6 MB in the beginning and 90.6 MB in the end (delta: 30.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 398.47 ms. Allocated memory is still 117.4 MB. Free memory was 81.3 MB in the beginning and 87.7 MB in the end (delta: -6.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.24 ms. Allocated memory is still 117.4 MB. Free memory was 87.7 MB in the beginning and 85.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 79.27 ms. Allocated memory is still 117.4 MB. Free memory was 85.1 MB in the beginning and 83.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 756.70 ms. Allocated memory is still 117.4 MB. Free memory was 83.0 MB in the beginning and 60.8 MB in the end (delta: 22.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5819.83 ms. Allocated memory was 117.4 MB in the beginning and 151.0 MB in the end (delta: 33.6 MB). Free memory was 60.8 MB in the beginning and 95.8 MB in the end (delta: -35.0 MB). Peak memory consumption was 1.3 MB. Max. memory is 16.1 GB. * Witness Printer took 3.45 ms. Allocated memory is still 151.0 MB. Free memory is still 95.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 19 + -2 * i2 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.7s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 34.8ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 116 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 521 SDtfs, 165 SDslu, 1164 SDs, 0 SdLazy, 26 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 57.4ms Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI1 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital166 mio100 ax100 hnf100 lsp37 ukn100 mio100 lsp100 div103 bol100 ite100 ukn100 eq221 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 19ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-13 01:06:52,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c288acf-2d3f-443b-ab1f-1b74e8c28949/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...