./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/bin/uautomizer --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 e633eb2225f7f9133cc8a4c722559a8f4d897cd7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:48:46,101 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:48:46,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:48:46,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:48:46,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:48:46,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:48:46,197 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:48:46,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:48:46,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:48:46,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:48:46,234 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:48:46,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:48:46,238 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:48:46,243 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:48:46,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:48:46,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:48:46,251 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:48:46,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:48:46,261 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:48:46,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:48:46,276 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:48:46,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:48:46,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:48:46,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:48:46,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:48:46,290 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:48:46,290 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:48:46,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:48:46,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:48:46,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:48:46,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:48:46,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:48:46,302 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:48:46,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:48:46,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:48:46,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:48:46,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:48:46,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:48:46,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:48:46,310 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:48:46,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:48:46,317 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 19:48:46,385 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:48:46,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:48:46,391 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:48:46,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:48:46,391 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:48:46,392 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 19:48:46,392 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 19:48:46,393 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 19:48:46,393 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 19:48:46,393 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 19:48:46,395 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 19:48:46,396 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:48:46,396 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:48:46,397 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 19:48:46,397 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:48:46,397 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:48:46,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:48:46,398 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 19:48:46,398 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 19:48:46,399 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 19:48:46,399 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:48:46,399 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:48:46,400 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 19:48:46,400 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:48:46,400 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 19:48:46,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:48:46,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:48:46,402 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 19:48:46,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:48:46,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:48:46,406 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:48:46,406 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 19:48:46,408 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 19:48:46,409 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-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e633eb2225f7f9133cc8a4c722559a8f4d897cd7 [2020-11-29 19:48:46,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:48:46,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:48:46,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:48:46,858 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:48:46,859 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:48:46,860 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/bin/uautomizer/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c [2020-11-29 19:48:46,964 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/bin/uautomizer/data/da9c5b826/1f4e25eeea7c47588b3fabecc7e9a938/FLAG35228b742 [2020-11-29 19:48:47,723 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:48:47,725 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c [2020-11-29 19:48:47,755 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/bin/uautomizer/data/da9c5b826/1f4e25eeea7c47588b3fabecc7e9a938/FLAG35228b742 [2020-11-29 19:48:47,946 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/bin/uautomizer/data/da9c5b826/1f4e25eeea7c47588b3fabecc7e9a938 [2020-11-29 19:48:47,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:48:47,963 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:48:47,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:48:47,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:48:47,973 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:48:47,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:48:47" (1/1) ... [2020-11-29 19:48:47,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31c77372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:48:47, skipping insertion in model container [2020-11-29 19:48:47,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:48:47" (1/1) ... [2020-11-29 19:48:47,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:48:48,068 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:48:48,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:48:48,565 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:48:48,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:48:48,688 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:48:48,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:48:48 WrapperNode [2020-11-29 19:48:48,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:48:48,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:48:48,692 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:48:48,692 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:48:48,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:48:48" (1/1) ... [2020-11-29 19:48:48,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:48:48" (1/1) ... [2020-11-29 19:48:48,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:48:48,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:48:48,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:48:48,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:48:48,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:48:48" (1/1) ... [2020-11-29 19:48:48,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:48:48" (1/1) ... [2020-11-29 19:48:48,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:48:48" (1/1) ... [2020-11-29 19:48:48,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:48:48" (1/1) ... [2020-11-29 19:48:48,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:48:48" (1/1) ... [2020-11-29 19:48:48,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:48:48" (1/1) ... [2020-11-29 19:48:48,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:48:48" (1/1) ... [2020-11-29 19:48:48,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:48:48,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:48:48,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:48:48,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:48:48,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:48:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:48,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:48:48,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:48:48,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:48:48,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:48:50,680 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:48:50,683 INFO L298 CfgBuilder]: Removed 27 assume(true) statements. [2020-11-29 19:48:50,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:48:50 BoogieIcfgContainer [2020-11-29 19:48:50,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:48:50,689 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 19:48:50,689 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 19:48:50,694 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 19:48:50,695 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:48:50,696 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 07:48:47" (1/3) ... [2020-11-29 19:48:50,697 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@708d106e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 07:48:50, skipping insertion in model container [2020-11-29 19:48:50,698 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:48:50,699 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:48:48" (2/3) ... [2020-11-29 19:48:50,700 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@708d106e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 07:48:50, skipping insertion in model container [2020-11-29 19:48:50,701 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:48:50,701 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:48:50" (3/3) ... [2020-11-29 19:48:50,706 INFO L373 chiAutomizerObserver]: Analyzing ICFG pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c [2020-11-29 19:48:50,790 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 19:48:50,791 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 19:48:50,791 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 19:48:50,791 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:48:50,792 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:48:50,792 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 19:48:50,792 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:48:50,792 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 19:48:50,824 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 142 states. [2020-11-29 19:48:50,890 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 91 [2020-11-29 19:48:50,891 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:48:50,891 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:48:50,911 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:48:50,911 INFO L853 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, 1, 1, 1] [2020-11-29 19:48:50,911 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 19:48:50,912 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 142 states. [2020-11-29 19:48:50,931 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 91 [2020-11-29 19:48:50,933 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:48:50,934 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:48:50,939 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:48:50,939 INFO L853 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, 1, 1, 1] [2020-11-29 19:48:50,951 INFO L794 eck$LassoCheckResult]: Stem: 103#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;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 0; 13#L-1true havoc main_#res;havoc 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~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~ret49, main_#t~ret50, main_#t~post51, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet18;havoc main_#t~nondet18;~id1~0 := main_#t~nondet19;havoc main_#t~nondet19;~st1~0 := main_#t~nondet20;havoc main_#t~nondet20;~send1~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode1~0 := main_#t~nondet22;havoc main_#t~nondet22;~alive1~0 := main_#t~nondet23;havoc main_#t~nondet23;~id2~0 := main_#t~nondet24;havoc main_#t~nondet24;~st2~0 := main_#t~nondet25;havoc main_#t~nondet25;~send2~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode2~0 := main_#t~nondet27;havoc main_#t~nondet27;~alive2~0 := main_#t~nondet28;havoc main_#t~nondet28;~id3~0 := main_#t~nondet29;havoc main_#t~nondet29;~st3~0 := main_#t~nondet30;havoc main_#t~nondet30;~send3~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode3~0 := main_#t~nondet32;havoc main_#t~nondet32;~alive3~0 := main_#t~nondet33;havoc main_#t~nondet33;~id4~0 := main_#t~nondet34;havoc main_#t~nondet34;~st4~0 := main_#t~nondet35;havoc main_#t~nondet35;~send4~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode4~0 := main_#t~nondet37;havoc main_#t~nondet37;~alive4~0 := main_#t~nondet38;havoc main_#t~nondet38;~id5~0 := main_#t~nondet39;havoc main_#t~nondet39;~st5~0 := main_#t~nondet40;havoc main_#t~nondet40;~send5~0 := main_#t~nondet41;havoc main_#t~nondet41;~mode5~0 := main_#t~nondet42;havoc main_#t~nondet42;~alive5~0 := main_#t~nondet43;havoc main_#t~nondet43;~id6~0 := main_#t~nondet44;havoc main_#t~nondet44;~st6~0 := main_#t~nondet45;havoc main_#t~nondet45;~send6~0 := main_#t~nondet46;havoc main_#t~nondet46;~mode6~0 := main_#t~nondet47;havoc main_#t~nondet47;~alive6~0 := main_#t~nondet48;havoc main_#t~nondet48;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 8#L285true assume !(0 == ~r1~0);init_~tmp~0 := 0; 4#L285-1true init_#res := init_~tmp~0; 27#L450true main_#t~ret49 := init_#res;main_~i2~0 := main_#t~ret49;havoc main_#t~ret49;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; 105#L22true assume 0 == assume_abort_if_not_~cond;assume false; 15#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;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 76#L526-2true [2020-11-29 19:48:50,962 INFO L796 eck$LassoCheckResult]: Loop: 76#L526-2true assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 11#L84true assume !(0 != ~mode1~0 % 256); 73#L102true assume !(0 != ~alive1~0 % 256); 92#L102-2true ~mode1~0 := 1; 6#L84-2true havoc node2_#t~ite8, node2_#t~ite9, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 64#L116true assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 70#L119true assume !(node2_~m2~0 != ~nomsg~0); 67#L119-1true ~mode2~0 := 0; 59#L116-2true havoc node3_#t~ite10, node3_#t~ite11, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 34#L150true assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 23#L153true assume !(node3_~m3~0 != ~nomsg~0); 22#L153-1true ~mode3~0 := 0; 12#L150-2true havoc node4_#t~ite12, node4_#t~ite13, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 125#L184true assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 96#L187true assume !(node4_~m4~0 != ~nomsg~0); 95#L187-1true ~mode4~0 := 0; 120#L184-2true havoc node5_#t~ite14, node5_#t~ite15, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 56#L218true assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 47#L221true assume !(node5_~m5~0 != ~nomsg~0); 46#L221-1true ~mode5~0 := 0; 71#L218-2true havoc node6_#t~ite16, node6_#t~ite17, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 5#L252true assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 14#L255true assume !(node6_~m6~0 != ~nomsg~0); 136#L255-1true ~mode6~0 := 0; 3#L252-2true ~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;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 48#L458true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 32#L458-1true check_#res := check_~tmp~1; 133#L470true main_#t~ret50 := check_#res;main_~c1~0 := main_#t~ret50;havoc main_#t~ret50;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 93#L559true assume !(0 == assert_~arg % 256); 63#L554true main_#t~post51 := main_~i2~0;main_~i2~0 := 1 + main_#t~post51;havoc main_#t~post51; 76#L526-2true [2020-11-29 19:48:50,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:48:50,974 INFO L82 PathProgramCache]: Analyzing trace with hash 2035845626, now seen corresponding path program 1 times [2020-11-29 19:48:50,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:48:50,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699536932] [2020-11-29 19:48:50,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:48:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:48:51,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:48:51,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699536932] [2020-11-29 19:48:51,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:48:51,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:48:51,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138901370] [2020-11-29 19:48:51,280 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 19:48:51,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:48:51,281 INFO L82 PathProgramCache]: Analyzing trace with hash 225391693, now seen corresponding path program 1 times [2020-11-29 19:48:51,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:48:51,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418060102] [2020-11-29 19:48:51,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:48:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:48:51,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:48:51,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418060102] [2020-11-29 19:48:51,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:48:51,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 19:48:51,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964587628] [2020-11-29 19:48:51,575 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-29 19:48:51,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:48:51,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 19:48:51,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 19:48:51,600 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 2 states. [2020-11-29 19:48:51,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:48:51,624 INFO L93 Difference]: Finished difference Result 141 states and 237 transitions. [2020-11-29 19:48:51,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 19:48:51,626 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 141 states and 237 transitions. [2020-11-29 19:48:51,632 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2020-11-29 19:48:51,640 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 141 states to 136 states and 232 transitions. [2020-11-29 19:48:51,642 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 136 [2020-11-29 19:48:51,643 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 136 [2020-11-29 19:48:51,644 INFO L73 IsDeterministic]: Start isDeterministic. Operand 136 states and 232 transitions. [2020-11-29 19:48:51,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 19:48:51,647 INFO L691 BuchiCegarLoop]: Abstraction has 136 states and 232 transitions. [2020-11-29 19:48:51,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states and 232 transitions. [2020-11-29 19:48:51,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2020-11-29 19:48:51,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-11-29 19:48:51,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 232 transitions. [2020-11-29 19:48:51,710 INFO L714 BuchiCegarLoop]: Abstraction has 136 states and 232 transitions. [2020-11-29 19:48:51,710 INFO L594 BuchiCegarLoop]: Abstraction has 136 states and 232 transitions. [2020-11-29 19:48:51,710 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 19:48:51,711 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 136 states and 232 transitions. [2020-11-29 19:48:51,715 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2020-11-29 19:48:51,715 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:48:51,715 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:48:51,717 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:48:51,717 INFO L853 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, 1, 1, 1] [2020-11-29 19:48:51,718 INFO L794 eck$LassoCheckResult]: Stem: 420#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;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 0; 318#L-1 havoc main_#res;havoc 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~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~ret49, main_#t~ret50, main_#t~post51, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet18;havoc main_#t~nondet18;~id1~0 := main_#t~nondet19;havoc main_#t~nondet19;~st1~0 := main_#t~nondet20;havoc main_#t~nondet20;~send1~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode1~0 := main_#t~nondet22;havoc main_#t~nondet22;~alive1~0 := main_#t~nondet23;havoc main_#t~nondet23;~id2~0 := main_#t~nondet24;havoc main_#t~nondet24;~st2~0 := main_#t~nondet25;havoc main_#t~nondet25;~send2~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode2~0 := main_#t~nondet27;havoc main_#t~nondet27;~alive2~0 := main_#t~nondet28;havoc main_#t~nondet28;~id3~0 := main_#t~nondet29;havoc main_#t~nondet29;~st3~0 := main_#t~nondet30;havoc main_#t~nondet30;~send3~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode3~0 := main_#t~nondet32;havoc main_#t~nondet32;~alive3~0 := main_#t~nondet33;havoc main_#t~nondet33;~id4~0 := main_#t~nondet34;havoc main_#t~nondet34;~st4~0 := main_#t~nondet35;havoc main_#t~nondet35;~send4~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode4~0 := main_#t~nondet37;havoc main_#t~nondet37;~alive4~0 := main_#t~nondet38;havoc main_#t~nondet38;~id5~0 := main_#t~nondet39;havoc main_#t~nondet39;~st5~0 := main_#t~nondet40;havoc main_#t~nondet40;~send5~0 := main_#t~nondet41;havoc main_#t~nondet41;~mode5~0 := main_#t~nondet42;havoc main_#t~nondet42;~alive5~0 := main_#t~nondet43;havoc main_#t~nondet43;~id6~0 := main_#t~nondet44;havoc main_#t~nondet44;~st6~0 := main_#t~nondet45;havoc main_#t~nondet45;~send6~0 := main_#t~nondet46;havoc main_#t~nondet46;~mode6~0 := main_#t~nondet47;havoc main_#t~nondet47;~alive6~0 := main_#t~nondet48;havoc main_#t~nondet48;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 305#L285 assume !(0 == ~r1~0);init_~tmp~0 := 0; 299#L285-1 init_#res := init_~tmp~0; 300#L450 main_#t~ret49 := init_#res;main_~i2~0 := main_#t~ret49;havoc main_#t~ret49;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; 341#L22 assume !(0 == assume_abort_if_not_~cond); 321#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;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 322#L526-2 [2020-11-29 19:48:51,718 INFO L796 eck$LassoCheckResult]: Loop: 322#L526-2 assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 311#L84 assume !(0 != ~mode1~0 % 256); 312#L102 assume !(0 != ~alive1~0 % 256); 338#L102-2 ~mode1~0 := 1; 303#L84-2 havoc node2_#t~ite8, node2_#t~ite9, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 304#L116 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 398#L119 assume !(node2_~m2~0 != ~nomsg~0); 331#L119-1 ~mode2~0 := 0; 340#L116-2 havoc node3_#t~ite10, node3_#t~ite11, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 351#L150 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 333#L153 assume !(node3_~m3~0 != ~nomsg~0); 332#L153-1 ~mode3~0 := 0; 314#L150-2 havoc node4_#t~ite12, node4_#t~ite13, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 315#L184 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 418#L187 assume !(node4_~m4~0 != ~nomsg~0); 371#L187-1 ~mode4~0 := 0; 409#L184-2 havoc node5_#t~ite14, node5_#t~ite15, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 390#L218 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 374#L221 assume !(node5_~m5~0 != ~nomsg~0); 373#L221-1 ~mode5~0 := 0; 354#L218-2 havoc node6_#t~ite16, node6_#t~ite17, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 296#L252 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 297#L255 assume !(node6_~m6~0 != ~nomsg~0); 317#L255-1 ~mode6~0 := 0; 294#L252-2 ~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;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 295#L458 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 348#L458-1 check_#res := check_~tmp~1; 349#L470 main_#t~ret50 := check_#res;main_~c1~0 := main_#t~ret50;havoc main_#t~ret50;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 416#L559 assume !(0 == assert_~arg % 256); 395#L554 main_#t~post51 := main_~i2~0;main_~i2~0 := 1 + main_#t~post51;havoc main_#t~post51; 322#L526-2 [2020-11-29 19:48:51,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:48:51,720 INFO L82 PathProgramCache]: Analyzing trace with hash 2035845688, now seen corresponding path program 1 times [2020-11-29 19:48:51,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:48:51,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292836085] [2020-11-29 19:48:51,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:48:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:48:51,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:48:51,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292836085] [2020-11-29 19:48:51,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:48:51,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 19:48:51,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691473348] [2020-11-29 19:48:51,872 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 19:48:51,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:48:51,873 INFO L82 PathProgramCache]: Analyzing trace with hash 225391693, now seen corresponding path program 2 times [2020-11-29 19:48:51,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:48:51,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555384633] [2020-11-29 19:48:51,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:48:51,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:48:52,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:48:52,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555384633] [2020-11-29 19:48:52,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:48:52,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 19:48:52,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587225571] [2020-11-29 19:48:52,031 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-29 19:48:52,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:48:52,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:48:52,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:48:52,033 INFO L87 Difference]: Start difference. First operand 136 states and 232 transitions. cyclomatic complexity: 97 Second operand 5 states. [2020-11-29 19:48:52,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:48:52,255 INFO L93 Difference]: Finished difference Result 139 states and 234 transitions. [2020-11-29 19:48:52,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 19:48:52,259 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 139 states and 234 transitions. [2020-11-29 19:48:52,264 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2020-11-29 19:48:52,272 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 139 states to 136 states and 191 transitions. [2020-11-29 19:48:52,276 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 136 [2020-11-29 19:48:52,277 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 136 [2020-11-29 19:48:52,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 136 states and 191 transitions. [2020-11-29 19:48:52,281 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 19:48:52,283 INFO L691 BuchiCegarLoop]: Abstraction has 136 states and 191 transitions. [2020-11-29 19:48:52,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states and 191 transitions. [2020-11-29 19:48:52,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2020-11-29 19:48:52,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-11-29 19:48:52,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 191 transitions. [2020-11-29 19:48:52,304 INFO L714 BuchiCegarLoop]: Abstraction has 136 states and 191 transitions. [2020-11-29 19:48:52,305 INFO L594 BuchiCegarLoop]: Abstraction has 136 states and 191 transitions. [2020-11-29 19:48:52,305 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-29 19:48:52,305 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 136 states and 191 transitions. [2020-11-29 19:48:52,307 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2020-11-29 19:48:52,308 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:48:52,309 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:48:52,313 INFO L852 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:48:52,314 INFO L853 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, 1, 1, 1] [2020-11-29 19:48:52,315 INFO L794 eck$LassoCheckResult]: Stem: 710#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;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 0; 608#L-1 havoc main_#res;havoc 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~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~ret49, main_#t~ret50, main_#t~post51, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet18;havoc main_#t~nondet18;~id1~0 := main_#t~nondet19;havoc main_#t~nondet19;~st1~0 := main_#t~nondet20;havoc main_#t~nondet20;~send1~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode1~0 := main_#t~nondet22;havoc main_#t~nondet22;~alive1~0 := main_#t~nondet23;havoc main_#t~nondet23;~id2~0 := main_#t~nondet24;havoc main_#t~nondet24;~st2~0 := main_#t~nondet25;havoc main_#t~nondet25;~send2~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode2~0 := main_#t~nondet27;havoc main_#t~nondet27;~alive2~0 := main_#t~nondet28;havoc main_#t~nondet28;~id3~0 := main_#t~nondet29;havoc main_#t~nondet29;~st3~0 := main_#t~nondet30;havoc main_#t~nondet30;~send3~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode3~0 := main_#t~nondet32;havoc main_#t~nondet32;~alive3~0 := main_#t~nondet33;havoc main_#t~nondet33;~id4~0 := main_#t~nondet34;havoc main_#t~nondet34;~st4~0 := main_#t~nondet35;havoc main_#t~nondet35;~send4~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode4~0 := main_#t~nondet37;havoc main_#t~nondet37;~alive4~0 := main_#t~nondet38;havoc main_#t~nondet38;~id5~0 := main_#t~nondet39;havoc main_#t~nondet39;~st5~0 := main_#t~nondet40;havoc main_#t~nondet40;~send5~0 := main_#t~nondet41;havoc main_#t~nondet41;~mode5~0 := main_#t~nondet42;havoc main_#t~nondet42;~alive5~0 := main_#t~nondet43;havoc main_#t~nondet43;~id6~0 := main_#t~nondet44;havoc main_#t~nondet44;~st6~0 := main_#t~nondet45;havoc main_#t~nondet45;~send6~0 := main_#t~nondet46;havoc main_#t~nondet46;~mode6~0 := main_#t~nondet47;havoc main_#t~nondet47;~alive6~0 := main_#t~nondet48;havoc main_#t~nondet48;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 595#L285 assume 0 == ~r1~0; 596#L286 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 + ~alive6~0 % 256 >= 1; 689#L287 assume ~id1~0 >= 0; 613#L288 assume 0 == ~st1~0; 614#L289 assume ~send1~0 == ~id1~0; 671#L290 assume 0 == ~mode1~0 % 256; 672#L291 assume ~id2~0 >= 0; 707#L292 assume 0 == ~st2~0; 625#L293 assume ~send2~0 == ~id2~0; 626#L294 assume 0 == ~mode2~0 % 256; 682#L295 assume ~id3~0 >= 0; 599#L296 assume 0 == ~st3~0; 600#L297 assume ~send3~0 == ~id3~0; 690#L298 assume 0 == ~mode3~0 % 256; 617#L299 assume ~id4~0 >= 0; 618#L300 assume 0 == ~st4~0; 673#L301 assume ~send4~0 == ~id4~0; 674#L302 assume 0 == ~mode4~0 % 256; 693#L303 assume ~id5~0 >= 0; 648#L304 assume 0 == ~st5~0; 649#L305 assume ~send5~0 == ~id5~0; 692#L306 assume 0 == ~mode5~0 % 256; 615#L307 assume ~id6~0 >= 0; 616#L308 assume 0 == ~st6~0; 684#L309 assume ~send6~0 == ~id6~0; 597#L310 assume 0 == ~mode6~0 % 256; 598#L311 assume ~id1~0 != ~id2~0; 658#L312 assume ~id1~0 != ~id3~0; 659#L313 assume ~id1~0 != ~id4~0; 705#L314 assume ~id1~0 != ~id5~0; 646#L315 assume ~id1~0 != ~id6~0; 647#L316 assume ~id2~0 != ~id3~0; 691#L317 assume ~id2~0 != ~id4~0; 609#L318 assume ~id2~0 != ~id5~0; 610#L319 assume ~id2~0 != ~id6~0; 683#L320 assume ~id3~0 != ~id4~0; 591#L321 assume ~id3~0 != ~id5~0; 592#L322 assume ~id3~0 != ~id6~0; 655#L323 assume ~id4~0 != ~id5~0; 656#L324 assume ~id4~0 != ~id6~0; 704#L325 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 589#L285-1 init_#res := init_~tmp~0; 590#L450 main_#t~ret49 := init_#res;main_~i2~0 := main_#t~ret49;havoc main_#t~ret49;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; 631#L22 assume !(0 == assume_abort_if_not_~cond); 611#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;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 612#L526-2 [2020-11-29 19:48:52,315 INFO L796 eck$LassoCheckResult]: Loop: 612#L526-2 assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 603#L84 assume !(0 != ~mode1~0 % 256); 604#L102 assume !(0 != ~alive1~0 % 256); 628#L102-2 ~mode1~0 := 1; 593#L84-2 havoc node2_#t~ite8, node2_#t~ite9, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 594#L116 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 688#L119 assume !(node2_~m2~0 != ~nomsg~0); 621#L119-1 ~mode2~0 := 0; 630#L116-2 havoc node3_#t~ite10, node3_#t~ite11, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 641#L150 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 623#L153 assume !(node3_~m3~0 != ~nomsg~0); 622#L153-1 ~mode3~0 := 0; 601#L150-2 havoc node4_#t~ite12, node4_#t~ite13, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 602#L184 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 708#L187 assume !(node4_~m4~0 != ~nomsg~0); 661#L187-1 ~mode4~0 := 0; 699#L184-2 havoc node5_#t~ite14, node5_#t~ite15, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 680#L218 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 664#L221 assume !(node5_~m5~0 != ~nomsg~0); 663#L221-1 ~mode5~0 := 0; 644#L218-2 havoc node6_#t~ite16, node6_#t~ite17, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 586#L252 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 587#L255 assume !(node6_~m6~0 != ~nomsg~0); 607#L255-1 ~mode6~0 := 0; 584#L252-2 ~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;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 585#L458 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 638#L458-1 check_#res := check_~tmp~1; 639#L470 main_#t~ret50 := check_#res;main_~c1~0 := main_#t~ret50;havoc main_#t~ret50;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 706#L559 assume !(0 == assert_~arg % 256); 687#L554 main_#t~post51 := main_~i2~0;main_~i2~0 := 1 + main_#t~post51;havoc main_#t~post51; 612#L526-2 [2020-11-29 19:48:52,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:48:52,316 INFO L82 PathProgramCache]: Analyzing trace with hash -1766357374, now seen corresponding path program 1 times [2020-11-29 19:48:52,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:48:52,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048839284] [2020-11-29 19:48:52,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:48:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:48:52,379 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:48:52,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:48:52,448 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:48:52,548 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:48:52,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:48:52,552 INFO L82 PathProgramCache]: Analyzing trace with hash 225391693, now seen corresponding path program 3 times [2020-11-29 19:48:52,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:48:52,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484234382] [2020-11-29 19:48:52,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:48:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:48:52,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:48:52,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484234382] [2020-11-29 19:48:52,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:48:52,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 19:48:52,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371111954] [2020-11-29 19:48:52,757 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-29 19:48:52,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:48:52,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:48:52,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:48:52,759 INFO L87 Difference]: Start difference. First operand 136 states and 191 transitions. cyclomatic complexity: 56 Second operand 5 states. [2020-11-29 19:48:52,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:48:52,850 INFO L93 Difference]: Finished difference Result 139 states and 193 transitions. [2020-11-29 19:48:52,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 19:48:52,851 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 139 states and 193 transitions. [2020-11-29 19:48:52,853 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2020-11-29 19:48:52,855 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 139 states to 136 states and 189 transitions. [2020-11-29 19:48:52,856 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 136 [2020-11-29 19:48:52,856 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 136 [2020-11-29 19:48:52,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 136 states and 189 transitions. [2020-11-29 19:48:52,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 19:48:52,858 INFO L691 BuchiCegarLoop]: Abstraction has 136 states and 189 transitions. [2020-11-29 19:48:52,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states and 189 transitions. [2020-11-29 19:48:52,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2020-11-29 19:48:52,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-11-29 19:48:52,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 189 transitions. [2020-11-29 19:48:52,877 INFO L714 BuchiCegarLoop]: Abstraction has 136 states and 189 transitions. [2020-11-29 19:48:52,877 INFO L594 BuchiCegarLoop]: Abstraction has 136 states and 189 transitions. [2020-11-29 19:48:52,877 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-29 19:48:52,878 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 136 states and 189 transitions. [2020-11-29 19:48:52,886 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2020-11-29 19:48:52,888 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:48:52,889 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:48:52,893 INFO L852 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:48:52,894 INFO L853 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, 1, 1, 1, 1] [2020-11-29 19:48:52,894 INFO L794 eck$LassoCheckResult]: Stem: 997#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;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 0; 895#L-1 havoc main_#res;havoc 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~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~ret49, main_#t~ret50, main_#t~post51, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet18;havoc main_#t~nondet18;~id1~0 := main_#t~nondet19;havoc main_#t~nondet19;~st1~0 := main_#t~nondet20;havoc main_#t~nondet20;~send1~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode1~0 := main_#t~nondet22;havoc main_#t~nondet22;~alive1~0 := main_#t~nondet23;havoc main_#t~nondet23;~id2~0 := main_#t~nondet24;havoc main_#t~nondet24;~st2~0 := main_#t~nondet25;havoc main_#t~nondet25;~send2~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode2~0 := main_#t~nondet27;havoc main_#t~nondet27;~alive2~0 := main_#t~nondet28;havoc main_#t~nondet28;~id3~0 := main_#t~nondet29;havoc main_#t~nondet29;~st3~0 := main_#t~nondet30;havoc main_#t~nondet30;~send3~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode3~0 := main_#t~nondet32;havoc main_#t~nondet32;~alive3~0 := main_#t~nondet33;havoc main_#t~nondet33;~id4~0 := main_#t~nondet34;havoc main_#t~nondet34;~st4~0 := main_#t~nondet35;havoc main_#t~nondet35;~send4~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode4~0 := main_#t~nondet37;havoc main_#t~nondet37;~alive4~0 := main_#t~nondet38;havoc main_#t~nondet38;~id5~0 := main_#t~nondet39;havoc main_#t~nondet39;~st5~0 := main_#t~nondet40;havoc main_#t~nondet40;~send5~0 := main_#t~nondet41;havoc main_#t~nondet41;~mode5~0 := main_#t~nondet42;havoc main_#t~nondet42;~alive5~0 := main_#t~nondet43;havoc main_#t~nondet43;~id6~0 := main_#t~nondet44;havoc main_#t~nondet44;~st6~0 := main_#t~nondet45;havoc main_#t~nondet45;~send6~0 := main_#t~nondet46;havoc main_#t~nondet46;~mode6~0 := main_#t~nondet47;havoc main_#t~nondet47;~alive6~0 := main_#t~nondet48;havoc main_#t~nondet48;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 882#L285 assume 0 == ~r1~0; 883#L286 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 + ~alive6~0 % 256 >= 1; 976#L287 assume ~id1~0 >= 0; 900#L288 assume 0 == ~st1~0; 901#L289 assume ~send1~0 == ~id1~0; 958#L290 assume 0 == ~mode1~0 % 256; 959#L291 assume ~id2~0 >= 0; 994#L292 assume 0 == ~st2~0; 914#L293 assume ~send2~0 == ~id2~0; 915#L294 assume 0 == ~mode2~0 % 256; 969#L295 assume ~id3~0 >= 0; 886#L296 assume 0 == ~st3~0; 887#L297 assume ~send3~0 == ~id3~0; 977#L298 assume 0 == ~mode3~0 % 256; 904#L299 assume ~id4~0 >= 0; 905#L300 assume 0 == ~st4~0; 960#L301 assume ~send4~0 == ~id4~0; 961#L302 assume 0 == ~mode4~0 % 256; 980#L303 assume ~id5~0 >= 0; 935#L304 assume 0 == ~st5~0; 936#L305 assume ~send5~0 == ~id5~0; 979#L306 assume 0 == ~mode5~0 % 256; 902#L307 assume ~id6~0 >= 0; 903#L308 assume 0 == ~st6~0; 971#L309 assume ~send6~0 == ~id6~0; 884#L310 assume 0 == ~mode6~0 % 256; 885#L311 assume ~id1~0 != ~id2~0; 945#L312 assume ~id1~0 != ~id3~0; 946#L313 assume ~id1~0 != ~id4~0; 992#L314 assume ~id1~0 != ~id5~0; 933#L315 assume ~id1~0 != ~id6~0; 934#L316 assume ~id2~0 != ~id3~0; 978#L317 assume ~id2~0 != ~id4~0; 898#L318 assume ~id2~0 != ~id5~0; 899#L319 assume ~id2~0 != ~id6~0; 970#L320 assume ~id3~0 != ~id4~0; 880#L321 assume ~id3~0 != ~id5~0; 881#L322 assume ~id3~0 != ~id6~0; 942#L323 assume ~id4~0 != ~id5~0; 943#L324 assume ~id4~0 != ~id6~0; 990#L325 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 873#L285-1 init_#res := init_~tmp~0; 874#L450 main_#t~ret49 := init_#res;main_~i2~0 := main_#t~ret49;havoc main_#t~ret49;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; 918#L22 assume !(0 == assume_abort_if_not_~cond); 896#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;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 897#L526-2 [2020-11-29 19:48:52,895 INFO L796 eck$LassoCheckResult]: Loop: 897#L526-2 assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 888#L84 assume !(0 != ~mode1~0 % 256); 889#L102 assume !(0 != ~alive1~0 % 256); 913#L102-2 ~mode1~0 := 1; 878#L84-2 havoc node2_#t~ite8, node2_#t~ite9, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 879#L116 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 975#L119 assume !(node2_~m2~0 != ~nomsg~0); 908#L119-1 ~mode2~0 := 0; 917#L116-2 havoc node3_#t~ite10, node3_#t~ite11, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 928#L150 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 910#L153 assume !(node3_~m3~0 != ~nomsg~0); 909#L153-1 ~mode3~0 := 0; 891#L150-2 havoc node4_#t~ite12, node4_#t~ite13, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 892#L184 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 995#L187 assume !(node4_~m4~0 != ~nomsg~0); 948#L187-1 ~mode4~0 := 0; 986#L184-2 havoc node5_#t~ite14, node5_#t~ite15, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 967#L218 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 951#L221 assume !(node5_~m5~0 != ~nomsg~0); 950#L221-1 ~mode5~0 := 0; 931#L218-2 havoc node6_#t~ite16, node6_#t~ite17, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 875#L252 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 876#L255 assume !(node6_~m6~0 != ~nomsg~0); 894#L255-1 ~mode6~0 := 0; 871#L252-2 ~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;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 872#L458 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 953#L459 assume ~r1~0 < 6;check_~tmp~1 := 1; 925#L458-1 check_#res := check_~tmp~1; 926#L470 main_#t~ret50 := check_#res;main_~c1~0 := main_#t~ret50;havoc main_#t~ret50;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 993#L559 assume !(0 == assert_~arg % 256); 974#L554 main_#t~post51 := main_~i2~0;main_~i2~0 := 1 + main_#t~post51;havoc main_#t~post51; 897#L526-2 [2020-11-29 19:48:52,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:48:52,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1766357374, now seen corresponding path program 2 times [2020-11-29 19:48:52,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:48:52,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617509958] [2020-11-29 19:48:52,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:48:52,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:48:52,970 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:48:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:48:53,012 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:48:53,036 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:48:53,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:48:53,037 INFO L82 PathProgramCache]: Analyzing trace with hash -1986120983, now seen corresponding path program 1 times [2020-11-29 19:48:53,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:48:53,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077317493] [2020-11-29 19:48:53,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:48:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:48:53,052 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:48:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:48:53,064 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:48:53,073 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:48:53,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:48:53,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1111090104, now seen corresponding path program 1 times [2020-11-29 19:48:53,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:48:53,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533782999] [2020-11-29 19:48:53,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:48:53,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:48:53,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:48:53,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533782999] [2020-11-29 19:48:53,190 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:48:53,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:48:53,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843683742] [2020-11-29 19:48:54,277 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 147 DAG size of output: 144 [2020-11-29 19:48:54,934 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 122 [2020-11-29 19:48:54,953 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 19:48:54,954 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 19:48:54,955 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 19:48:54,955 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 19:48:54,955 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-29 19:48:54,955 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:54,956 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 19:48:54,956 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 19:48:54,956 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_Iteration4_Loop [2020-11-29 19:48:54,956 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 19:48:54,957 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 19:48:55,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:55,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:55,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:55,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:55,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:55,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:55,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:55,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:55,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:55,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:55,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:55,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:55,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:55,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:55,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:55,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:55,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:55,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:55,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:55,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:55,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:55,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:55,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:55,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:55,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:55,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:55,855 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-11-29 19:48:56,508 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-11-29 19:48:56,703 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 19:48:56,704 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:56,714 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 19:48:56,714 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:56,763 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-29 19:48:56,763 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-29 19:48:56,911 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-29 19:48:56,913 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 19:48:56,914 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 19:48:56,914 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 19:48:56,914 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 19:48:56,914 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 19:48:56,914 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:56,914 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 19:48:56,914 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 19:48:56,914 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_Iteration4_Loop [2020-11-29 19:48:56,915 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 19:48:56,915 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 19:48:56,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:56,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:56,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:56,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:56,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:56,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:56,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:56,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:56,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:56,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:56,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:57,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:57,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:57,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:57,133 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-11-29 19:48:57,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:57,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:57,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:57,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:57,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:57,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:57,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:57,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:57,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:57,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:57,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:57,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:48:57,802 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-11-29 19:48:58,295 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-11-29 19:48:58,405 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 19:48:58,412 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:58,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:48:58,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:48:58,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:48:58,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:48:58,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:48:58,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:48:58,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:48:58,444 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:48:58,447 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:58,480 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:48:58,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:48:58,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:48:58,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:48:58,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:48:58,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:48:58,483 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:48:58,483 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:48:58,485 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:58,520 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:48:58,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:48:58,522 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:48:58,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:48:58,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:48:58,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:48:58,524 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:48:58,524 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:48:58,533 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 19:48:58,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:48:58,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:48:58,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:48:58,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:48:58,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:48:58,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:48:58,599 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:48:58,599 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:58,602 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:58,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:48:58,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:48:58,642 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:48:58,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:48:58,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:48:58,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:48:58,644 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:48:58,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:48:58,647 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:58,681 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:48:58,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:48:58,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:48:58,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:48:58,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:48:58,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:48:58,684 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:48:58,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:48:58,686 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:58,714 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:48:58,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:48:58,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:48:58,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:48:58,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:48:58,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:48:58,720 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:48:58,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:48:58,722 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:58,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:48:58,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:48:58,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:48:58,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:48:58,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:48:58,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:48:58,765 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:48:58,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:48:58,768 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:58,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:48:58,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:48:58,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:48:58,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:48:58,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:48:58,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:48:58,803 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:48:58,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:48:58,806 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 19:48:58,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:58,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:48:58,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:48:58,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:48:58,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:48:58,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:48:58,847 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:48:58,847 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:48:58,849 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:58,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:48:58,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:48:58,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:48:58,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:48:58,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:48:58,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:48:58,882 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:48:58,882 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:48:58,884 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:58,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:48:58,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:48:58,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:48:58,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:48:58,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:48:58,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:48:58,922 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:48:58,922 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:48:58,928 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:58,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:48:58,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:48:58,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:48:58,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:48:58,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:48:58,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:48:58,965 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:48:58,965 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:48:58,967 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:59,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:48:59,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:48:59,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:48:59,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:48:59,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:48:59,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:48:59,023 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:48:59,024 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:48:59,030 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:59,062 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:48:59,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:48:59,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:48:59,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:48:59,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:48:59,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:48:59,065 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:48:59,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:48:59,067 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:59,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:48:59,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:48:59,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:48:59,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:48:59,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:48:59,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:48:59,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:48:59,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:48:59,105 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:59,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:48:59,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:48:59,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:48:59,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:48:59,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:48:59,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:48:59,150 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:48:59,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:48:59,152 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:59,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:48:59,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:48:59,191 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:48:59,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:48:59,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:48:59,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:48:59,192 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:48:59,192 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:48:59,195 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 19:48:59,231 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-29 19:48:59,231 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2355e35-0090-41c8-b4ef-d2a59bcc4cbe/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 19:48:59,261 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 19:48:59,261 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-29 19:48:59,262 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 19:48:59,263 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 23 Supporting invariants [] Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:48:59,312 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-29 19:48:59,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:48:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:48:59,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:48:59,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:48:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:48:59,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 19:48:59,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:48:59,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:48:59,747 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 [2020-11-29 19:48:59,749 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 136 states and 189 transitions. cyclomatic complexity: 54 Second operand 3 states. [2020-11-29 19:48:59,843 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 136 states and 189 transitions. cyclomatic complexity: 54. Second operand 3 states. Result 225 states and 332 transitions. Complement of second has 4 states. [2020-11-29 19:48:59,844 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 [2020-11-29 19:48:59,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-29 19:48:59,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 189 transitions. [2020-11-29 19:48:59,848 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 189 transitions. Stem has 47 letters. Loop has 31 letters. [2020-11-29 19:48:59,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 19:48:59,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 189 transitions. Stem has 78 letters. Loop has 31 letters. [2020-11-29 19:48:59,852 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 19:48:59,852 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 189 transitions. Stem has 47 letters. Loop has 62 letters. [2020-11-29 19:48:59,854 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 19:48:59,855 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 225 states and 332 transitions. [2020-11-29 19:48:59,859 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 19:48:59,859 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 225 states to 0 states and 0 transitions. [2020-11-29 19:48:59,859 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 19:48:59,859 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 19:48:59,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 19:48:59,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 19:48:59,860 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:48:59,860 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:48:59,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:48:59,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:48:59,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:48:59,862 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-11-29 19:48:59,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:48:59,862 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-11-29 19:48:59,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 19:48:59,863 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-11-29 19:48:59,863 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 19:48:59,863 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 19:48:59,864 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 19:48:59,864 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 19:48:59,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 19:48:59,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 19:48:59,864 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:48:59,865 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:48:59,865 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:48:59,865 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-11-29 19:48:59,865 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-29 19:48:59,865 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 19:48:59,866 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-29 19:48:59,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 07:48:59 BoogieIcfgContainer [2020-11-29 19:48:59,873 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 19:48:59,874 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:48:59,874 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:48:59,875 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:48:59,875 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:48:50" (3/4) ... [2020-11-29 19:48:59,879 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 19:48:59,880 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:48:59,882 INFO L168 Benchmark]: Toolchain (without parser) took 11918.17 ms. Allocated memory was 86.0 MB in the beginning and 159.4 MB in the end (delta: 73.4 MB). Free memory was 55.7 MB in the beginning and 55.2 MB in the end (delta: 436.5 kB). Peak memory consumption was 73.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:48:59,882 INFO L168 Benchmark]: CDTParser took 1.26 ms. Allocated memory is still 86.0 MB. Free memory was 45.5 MB in the beginning and 45.4 MB in the end (delta: 41.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:48:59,883 INFO L168 Benchmark]: CACSL2BoogieTranslator took 721.98 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 55.4 MB in the beginning and 78.7 MB in the end (delta: -23.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:48:59,884 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.54 ms. Allocated memory is still 107.0 MB. Free memory was 78.7 MB in the beginning and 75.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:48:59,885 INFO L168 Benchmark]: Boogie Preprocessor took 59.46 ms. Allocated memory is still 107.0 MB. Free memory was 75.9 MB in the beginning and 73.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:48:59,886 INFO L168 Benchmark]: RCFGBuilder took 1824.24 ms. Allocated memory is still 107.0 MB. Free memory was 73.8 MB in the beginning and 73.6 MB in the end (delta: 224.8 kB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:48:59,887 INFO L168 Benchmark]: BuchiAutomizer took 9184.33 ms. Allocated memory was 107.0 MB in the beginning and 159.4 MB in the end (delta: 52.4 MB). Free memory was 73.6 MB in the beginning and 56.3 MB in the end (delta: 17.3 MB). Peak memory consumption was 70.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:48:59,887 INFO L168 Benchmark]: Witness Printer took 5.85 ms. Allocated memory is still 159.4 MB. Free memory is still 55.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:48:59,892 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.26 ms. Allocated memory is still 86.0 MB. Free memory was 45.5 MB in the beginning and 45.4 MB in the end (delta: 41.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 721.98 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 55.4 MB in the beginning and 78.7 MB in the end (delta: -23.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 110.54 ms. Allocated memory is still 107.0 MB. Free memory was 78.7 MB in the beginning and 75.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.46 ms. Allocated memory is still 107.0 MB. Free memory was 75.9 MB in the beginning and 73.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1824.24 ms. Allocated memory is still 107.0 MB. Free memory was 73.8 MB in the beginning and 73.6 MB in the end (delta: 224.8 kB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 9184.33 ms. Allocated memory was 107.0 MB in the beginning and 159.4 MB in the end (delta: 52.4 MB). Free memory was 73.6 MB in the beginning and 56.3 MB in the end (delta: 17.3 MB). Peak memory consumption was 70.4 MB. Max. memory is 16.1 GB. * Witness Printer took 5.85 ms. Allocated memory is still 159.4 MB. Free memory is still 55.2 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 5 terminating modules (4 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i2 + 23 and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.0s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 7.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 136 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 843 SDtfs, 333 SDslu, 1347 SDs, 0 SdLazy, 26 SolverSat, 43 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI2 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital164 mio100 ax100 hnf100 lsp43 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq229 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 34ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 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! Received shutdown request...