./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX --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 cea4cc3548129351800c62333a8b3afa818cc0cede5b8fec1c7e8b8079e480c6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 10:49:25,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 10:49:25,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 10:49:25,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 10:49:25,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 10:49:25,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 10:49:25,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 10:49:25,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 10:49:25,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 10:49:25,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 10:49:25,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 10:49:25,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 10:49:25,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 10:49:25,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 10:49:25,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 10:49:25,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 10:49:25,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 10:49:25,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 10:49:25,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 10:49:25,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 10:49:25,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 10:49:25,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 10:49:25,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 10:49:25,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 10:49:25,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 10:49:25,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 10:49:25,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 10:49:25,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 10:49:25,254 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 10:49:25,256 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 10:49:25,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 10:49:25,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 10:49:25,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 10:49:25,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 10:49:25,262 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 10:49:25,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 10:49:25,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 10:49:25,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 10:49:25,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 10:49:25,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 10:49:25,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 10:49:25,266 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-09 10:49:25,319 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 10:49:25,319 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 10:49:25,320 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 10:49:25,320 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 10:49:25,322 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 10:49:25,322 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 10:49:25,322 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 10:49:25,323 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-09 10:49:25,323 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-09 10:49:25,323 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-09 10:49:25,324 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-09 10:49:25,324 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-09 10:49:25,324 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-09 10:49:25,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 10:49:25,325 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 10:49:25,325 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 10:49:25,325 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 10:49:25,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 10:49:25,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 10:49:25,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-09 10:49:25,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-09 10:49:25,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-09 10:49:25,327 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 10:49:25,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 10:49:25,327 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-09 10:49:25,327 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 10:49:25,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-09 10:49:25,329 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 10:49:25,329 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 10:49:25,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 10:49:25,330 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 10:49:25,330 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 10:49:25,331 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-09 10:49:25,332 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cea4cc3548129351800c62333a8b3afa818cc0cede5b8fec1c7e8b8079e480c6 [2021-11-09 10:49:25,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 10:49:25,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 10:49:25,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 10:49:25,650 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 10:49:25,651 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 10:49:25,652 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c [2021-11-09 10:49:25,727 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/data/74547c499/db8c3fe05c9f413e8fdd41adbf3c77d3/FLAGfcf8e846e [2021-11-09 10:49:26,384 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 10:49:26,384 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c [2021-11-09 10:49:26,401 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/data/74547c499/db8c3fe05c9f413e8fdd41adbf3c77d3/FLAGfcf8e846e [2021-11-09 10:49:26,683 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/data/74547c499/db8c3fe05c9f413e8fdd41adbf3c77d3 [2021-11-09 10:49:26,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 10:49:26,687 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 10:49:26,690 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 10:49:26,690 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 10:49:26,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 10:49:26,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:49:26" (1/1) ... [2021-11-09 10:49:26,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23eb2e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:26, skipping insertion in model container [2021-11-09 10:49:26,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:49:26" (1/1) ... [2021-11-09 10:49:26,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 10:49:26,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 10:49:27,004 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c[12639,12652] [2021-11-09 10:49:27,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 10:49:27,017 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 10:49:27,099 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c[12639,12652] [2021-11-09 10:49:27,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 10:49:27,118 INFO L208 MainTranslator]: Completed translation [2021-11-09 10:49:27,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:27 WrapperNode [2021-11-09 10:49:27,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 10:49:27,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 10:49:27,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 10:49:27,120 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 10:49:27,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:27" (1/1) ... [2021-11-09 10:49:27,140 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:27" (1/1) ... [2021-11-09 10:49:27,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 10:49:27,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 10:49:27,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 10:49:27,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 10:49:27,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:27" (1/1) ... [2021-11-09 10:49:27,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:27" (1/1) ... [2021-11-09 10:49:27,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:27" (1/1) ... [2021-11-09 10:49:27,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:27" (1/1) ... [2021-11-09 10:49:27,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:27" (1/1) ... [2021-11-09 10:49:27,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:27" (1/1) ... [2021-11-09 10:49:27,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:27" (1/1) ... [2021-11-09 10:49:27,266 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 10:49:27,267 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 10:49:27,267 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 10:49:27,267 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 10:49:27,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:27" (1/1) ... [2021-11-09 10:49:27,288 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 10:49:27,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:49:27,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 10:49:27,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-09 10:49:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 10:49:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 10:49:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 10:49:27,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 10:49:28,075 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 10:49:28,076 INFO L299 CfgBuilder]: Removed 23 assume(true) statements. [2021-11-09 10:49:28,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:49:28 BoogieIcfgContainer [2021-11-09 10:49:28,078 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 10:49:28,079 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-09 10:49:28,079 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-09 10:49:28,086 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-09 10:49:28,087 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 10:49:28,088 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 10:49:26" (1/3) ... [2021-11-09 10:49:28,089 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c4d556b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 10:49:28, skipping insertion in model container [2021-11-09 10:49:28,089 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 10:49:28,090 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:49:27" (2/3) ... [2021-11-09 10:49:28,090 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c4d556b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 10:49:28, skipping insertion in model container [2021-11-09 10:49:28,090 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 10:49:28,090 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:49:28" (3/3) ... [2021-11-09 10:49:28,092 INFO L389 chiAutomizerObserver]: Analyzing ICFG pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c [2021-11-09 10:49:28,154 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-09 10:49:28,154 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-09 10:49:28,154 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-09 10:49:28,155 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-09 10:49:28,155 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-09 10:49:28,155 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-09 10:49:28,155 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-09 10:49:28,155 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-09 10:49:28,180 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 118 states, 117 states have (on average 1.7008547008547008) internal successors, (199), 117 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:49:28,222 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 76 [2021-11-09 10:49:28,223 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 10:49:28,223 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 10:49:28,233 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:49:28,234 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:49:28,234 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-09 10:49:28,235 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 118 states, 117 states have (on average 1.7008547008547008) internal successors, (199), 117 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:49:28,250 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 76 [2021-11-09 10:49:28,250 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 10:49:28,250 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 10:49:28,253 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:49:28,254 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:49:28,261 INFO L791 eck$LassoCheckResult]: Stem: 100#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; 28#L-1true havoc main_#res;havoc main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~ret42, main_#t~ret43, main_#t~post44, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet16;havoc main_#t~nondet16;~id1~0 := main_#t~nondet17;havoc main_#t~nondet17;~st1~0 := main_#t~nondet18;havoc main_#t~nondet18;~send1~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode1~0 := main_#t~nondet20;havoc main_#t~nondet20;~alive1~0 := main_#t~nondet21;havoc main_#t~nondet21;~id2~0 := main_#t~nondet22;havoc main_#t~nondet22;~st2~0 := main_#t~nondet23;havoc main_#t~nondet23;~send2~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode2~0 := main_#t~nondet25;havoc main_#t~nondet25;~alive2~0 := main_#t~nondet26;havoc main_#t~nondet26;~id3~0 := main_#t~nondet27;havoc main_#t~nondet27;~st3~0 := main_#t~nondet28;havoc main_#t~nondet28;~send3~0 := main_#t~nondet29;havoc main_#t~nondet29;~mode3~0 := main_#t~nondet30;havoc main_#t~nondet30;~alive3~0 := main_#t~nondet31;havoc main_#t~nondet31;~id4~0 := main_#t~nondet32;havoc main_#t~nondet32;~st4~0 := main_#t~nondet33;havoc main_#t~nondet33;~send4~0 := main_#t~nondet34;havoc main_#t~nondet34;~mode4~0 := main_#t~nondet35;havoc main_#t~nondet35;~alive4~0 := main_#t~nondet36;havoc main_#t~nondet36;~id5~0 := main_#t~nondet37;havoc main_#t~nondet37;~st5~0 := main_#t~nondet38;havoc main_#t~nondet38;~send5~0 := main_#t~nondet39;havoc main_#t~nondet39;~mode5~0 := main_#t~nondet40;havoc main_#t~nondet40;~alive5~0 := main_#t~nondet41;havoc main_#t~nondet41;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 63#L243true assume !(0 == ~r1~0);init_~tmp~0 := 0; 105#L243-1true init_#res := init_~tmp~0; 25#L372true main_#t~ret42 := init_#res;main_~i2~0 := main_#t~ret42;havoc main_#t~ret42;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; 30#L22true assume !(0 == assume_abort_if_not_~cond); 84#L21true ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0 := 0; 79#L441-2true [2021-11-09 10:49:28,262 INFO L793 eck$LassoCheckResult]: Loop: 79#L441-2true assume !!(main_~i2~0 < 10);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 51#L76true assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 11#L80true assume !(node1_~m1~0 != ~nomsg~0); 95#L80-1true ~mode1~0 := 0; 101#L76-2true havoc node2_#t~ite8, node2_#t~ite9, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 18#L108true assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 16#L111true assume !(node2_~m2~0 != ~nomsg~0); 92#L111-1true ~mode2~0 := 0; 78#L108-2true havoc node3_#t~ite10, node3_#t~ite11, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 87#L142true assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 44#L145true assume !(node3_~m3~0 != ~nomsg~0); 52#L145-1true ~mode3~0 := 0; 81#L142-2true havoc node4_#t~ite12, node4_#t~ite13, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 32#L176true assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 107#L179true assume !(node4_~m4~0 != ~nomsg~0); 62#L179-1true ~mode4~0 := 0; 113#L176-2true havoc node5_#t~ite14, node5_#t~ite15, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 9#L210true assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 110#L213true assume !(node5_~m5~0 != ~nomsg~0); 98#L213-1true ~mode5~0 := 0; 102#L210-2true ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 58#L380true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1);check_~tmp~1 := 0; 7#L380-1true check_#res := check_~tmp~1; 33#L392true main_#t~ret43 := check_#res;main_~c1~0 := main_#t~ret43;havoc main_#t~ret43;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 20#L471true assume !(0 == assert_~arg % 256); 114#L466true main_#t~post44 := main_~i2~0;main_~i2~0 := 1 + main_#t~post44;havoc main_#t~post44; 79#L441-2true [2021-11-09 10:49:28,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:49:28,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1984313218, now seen corresponding path program 1 times [2021-11-09 10:49:28,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:49:28,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309956695] [2021-11-09 10:49:28,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:49:28,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:49:28,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:49:28,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:49:28,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:49:28,557 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309956695] [2021-11-09 10:49:28,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309956695] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:49:28,559 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:49:28,559 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-09 10:49:28,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284919678] [2021-11-09 10:49:28,576 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-09 10:49:28,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:49:28,577 INFO L85 PathProgramCache]: Analyzing trace with hash 240307598, now seen corresponding path program 1 times [2021-11-09 10:49:28,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:49:28,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407863565] [2021-11-09 10:49:28,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:49:28,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:49:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:49:28,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:49:28,773 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:49:28,773 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407863565] [2021-11-09 10:49:28,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407863565] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:49:28,773 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:49:28,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-09 10:49:28,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168967581] [2021-11-09 10:49:28,775 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 10:49:28,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:49:28,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-09 10:49:28,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-09 10:49:28,793 INFO L87 Difference]: Start difference. First operand has 118 states, 117 states have (on average 1.7008547008547008) internal successors, (199), 117 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:49:28,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:49:28,885 INFO L93 Difference]: Finished difference Result 121 states and 198 transitions. [2021-11-09 10:49:28,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-09 10:49:28,888 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 121 states and 198 transitions. [2021-11-09 10:49:28,891 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 75 [2021-11-09 10:49:28,896 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 121 states to 113 states and 159 transitions. [2021-11-09 10:49:28,897 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 113 [2021-11-09 10:49:28,898 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 113 [2021-11-09 10:49:28,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 113 states and 159 transitions. [2021-11-09 10:49:28,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 10:49:28,900 INFO L681 BuchiCegarLoop]: Abstraction has 113 states and 159 transitions. [2021-11-09 10:49:28,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states and 159 transitions. [2021-11-09 10:49:28,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-11-09 10:49:28,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 113 states have (on average 1.407079646017699) internal successors, (159), 112 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:49:28,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 159 transitions. [2021-11-09 10:49:28,946 INFO L704 BuchiCegarLoop]: Abstraction has 113 states and 159 transitions. [2021-11-09 10:49:28,946 INFO L587 BuchiCegarLoop]: Abstraction has 113 states and 159 transitions. [2021-11-09 10:49:28,947 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-09 10:49:28,947 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 113 states and 159 transitions. [2021-11-09 10:49:28,953 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 75 [2021-11-09 10:49:28,954 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 10:49:28,955 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 10:49:28,958 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:49:28,958 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:49:28,959 INFO L791 eck$LassoCheckResult]: Stem: 367#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; 302#L-1 havoc main_#res;havoc main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~ret42, main_#t~ret43, main_#t~post44, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet16;havoc main_#t~nondet16;~id1~0 := main_#t~nondet17;havoc main_#t~nondet17;~st1~0 := main_#t~nondet18;havoc main_#t~nondet18;~send1~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode1~0 := main_#t~nondet20;havoc main_#t~nondet20;~alive1~0 := main_#t~nondet21;havoc main_#t~nondet21;~id2~0 := main_#t~nondet22;havoc main_#t~nondet22;~st2~0 := main_#t~nondet23;havoc main_#t~nondet23;~send2~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode2~0 := main_#t~nondet25;havoc main_#t~nondet25;~alive2~0 := main_#t~nondet26;havoc main_#t~nondet26;~id3~0 := main_#t~nondet27;havoc main_#t~nondet27;~st3~0 := main_#t~nondet28;havoc main_#t~nondet28;~send3~0 := main_#t~nondet29;havoc main_#t~nondet29;~mode3~0 := main_#t~nondet30;havoc main_#t~nondet30;~alive3~0 := main_#t~nondet31;havoc main_#t~nondet31;~id4~0 := main_#t~nondet32;havoc main_#t~nondet32;~st4~0 := main_#t~nondet33;havoc main_#t~nondet33;~send4~0 := main_#t~nondet34;havoc main_#t~nondet34;~mode4~0 := main_#t~nondet35;havoc main_#t~nondet35;~alive4~0 := main_#t~nondet36;havoc main_#t~nondet36;~id5~0 := main_#t~nondet37;havoc main_#t~nondet37;~st5~0 := main_#t~nondet38;havoc main_#t~nondet38;~send5~0 := main_#t~nondet39;havoc main_#t~nondet39;~mode5~0 := main_#t~nondet40;havoc main_#t~nondet40;~alive5~0 := main_#t~nondet41;havoc main_#t~nondet41;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 303#L243 assume 0 == ~r1~0; 266#L244 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 >= 1; 267#L245 assume ~id1~0 >= 0; 291#L246 assume 0 == ~st1~0; 330#L247 assume ~send1~0 == ~id1~0; 365#L248 assume 0 == ~mode1~0 % 256; 262#L249 assume ~id2~0 >= 0; 263#L250 assume 0 == ~st2~0; 350#L251 assume ~send2~0 == ~id2~0; 312#L252 assume 0 == ~mode2~0 % 256; 313#L253 assume ~id3~0 >= 0; 316#L254 assume 0 == ~st3~0; 280#L255 assume ~send3~0 == ~id3~0; 281#L256 assume 0 == ~mode3~0 % 256; 314#L257 assume ~id4~0 >= 0; 293#L258 assume 0 == ~st4~0; 294#L259 assume ~send4~0 == ~id4~0; 333#L260 assume 0 == ~mode4~0 % 256; 334#L261 assume ~id5~0 >= 0; 322#L262 assume 0 == ~st5~0; 323#L263 assume ~send5~0 == ~id5~0; 328#L264 assume 0 == ~mode5~0 % 256; 329#L265 assume ~id1~0 != ~id2~0; 276#L266 assume ~id1~0 != ~id3~0; 277#L267 assume ~id1~0 != ~id4~0; 285#L268 assume ~id1~0 != ~id5~0; 286#L269 assume ~id2~0 != ~id3~0; 268#L270 assume ~id2~0 != ~id4~0; 269#L271 assume ~id2~0 != ~id5~0; 295#L272 assume ~id3~0 != ~id4~0; 307#L273 assume ~id3~0 != ~id5~0; 327#L274 assume ~id4~0 != ~id5~0;init_~tmp~0 := 1; 354#L243-1 init_#res := init_~tmp~0; 296#L372 main_#t~ret42 := init_#res;main_~i2~0 := main_#t~ret42;havoc main_#t~ret42;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; 297#L22 assume !(0 == assume_abort_if_not_~cond); 306#L21 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0 := 0; 360#L441-2 [2021-11-09 10:49:28,959 INFO L793 eck$LassoCheckResult]: Loop: 360#L441-2 assume !!(main_~i2~0 < 10);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 335#L76 assume !(0 != ~mode1~0 % 256); 336#L94 assume !(0 != ~alive1~0 % 256); 363#L94-2 ~mode1~0 := 1; 364#L76-2 havoc node2_#t~ite8, node2_#t~ite9, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 287#L108 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 282#L111 assume !(node2_~m2~0 != ~nomsg~0); 284#L111-1 ~mode2~0 := 0; 358#L108-2 havoc node3_#t~ite10, node3_#t~ite11, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 359#L142 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 324#L145 assume !(node3_~m3~0 != ~nomsg~0); 326#L145-1 ~mode3~0 := 0; 321#L142-2 havoc node4_#t~ite12, node4_#t~ite13, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 308#L176 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 310#L179 assume !(node4_~m4~0 != ~nomsg~0); 259#L179-1 ~mode4~0 := 0; 347#L176-2 havoc node5_#t~ite14, node5_#t~ite15, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 270#L210 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 271#L213 assume !(node5_~m5~0 != ~nomsg~0); 305#L213-1 ~mode5~0 := 0; 366#L210-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 341#L380 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1);check_~tmp~1 := 0; 264#L380-1 check_#res := check_~tmp~1; 265#L392 main_#t~ret43 := check_#res;main_~c1~0 := main_#t~ret43;havoc main_#t~ret43;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 289#L471 assume !(0 == assert_~arg % 256); 290#L466 main_#t~post44 := main_~i2~0;main_~i2~0 := 1 + main_#t~post44;havoc main_#t~post44; 360#L441-2 [2021-11-09 10:49:28,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:49:28,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1707437673, now seen corresponding path program 1 times [2021-11-09 10:49:28,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:49:28,960 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666755959] [2021-11-09 10:49:28,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:49:28,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:49:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 10:49:29,050 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 10:49:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 10:49:29,135 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 10:49:29,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:49:29,137 INFO L85 PathProgramCache]: Analyzing trace with hash -563273304, now seen corresponding path program 1 times [2021-11-09 10:49:29,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:49:29,137 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244570965] [2021-11-09 10:49:29,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:49:29,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:49:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:49:29,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:49:29,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:49:29,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244570965] [2021-11-09 10:49:29,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244570965] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:49:29,303 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:49:29,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-09 10:49:29,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474378953] [2021-11-09 10:49:29,304 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 10:49:29,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:49:29,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-09 10:49:29,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-09 10:49:29,308 INFO L87 Difference]: Start difference. First operand 113 states and 159 transitions. cyclomatic complexity: 47 Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:49:29,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:49:29,372 INFO L93 Difference]: Finished difference Result 116 states and 161 transitions. [2021-11-09 10:49:29,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-09 10:49:29,373 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 116 states and 161 transitions. [2021-11-09 10:49:29,377 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 75 [2021-11-09 10:49:29,381 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 116 states to 113 states and 157 transitions. [2021-11-09 10:49:29,381 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 113 [2021-11-09 10:49:29,382 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 113 [2021-11-09 10:49:29,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 113 states and 157 transitions. [2021-11-09 10:49:29,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 10:49:29,384 INFO L681 BuchiCegarLoop]: Abstraction has 113 states and 157 transitions. [2021-11-09 10:49:29,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states and 157 transitions. [2021-11-09 10:49:29,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-11-09 10:49:29,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 113 states have (on average 1.3893805309734513) internal successors, (157), 112 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:49:29,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 157 transitions. [2021-11-09 10:49:29,400 INFO L704 BuchiCegarLoop]: Abstraction has 113 states and 157 transitions. [2021-11-09 10:49:29,400 INFO L587 BuchiCegarLoop]: Abstraction has 113 states and 157 transitions. [2021-11-09 10:49:29,401 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-09 10:49:29,401 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 113 states and 157 transitions. [2021-11-09 10:49:29,402 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 75 [2021-11-09 10:49:29,403 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 10:49:29,403 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 10:49:29,407 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:49:29,408 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:49:29,408 INFO L791 eck$LassoCheckResult]: Stem: 608#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; 543#L-1 havoc main_#res;havoc main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~ret42, main_#t~ret43, main_#t~post44, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet16;havoc main_#t~nondet16;~id1~0 := main_#t~nondet17;havoc main_#t~nondet17;~st1~0 := main_#t~nondet18;havoc main_#t~nondet18;~send1~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode1~0 := main_#t~nondet20;havoc main_#t~nondet20;~alive1~0 := main_#t~nondet21;havoc main_#t~nondet21;~id2~0 := main_#t~nondet22;havoc main_#t~nondet22;~st2~0 := main_#t~nondet23;havoc main_#t~nondet23;~send2~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode2~0 := main_#t~nondet25;havoc main_#t~nondet25;~alive2~0 := main_#t~nondet26;havoc main_#t~nondet26;~id3~0 := main_#t~nondet27;havoc main_#t~nondet27;~st3~0 := main_#t~nondet28;havoc main_#t~nondet28;~send3~0 := main_#t~nondet29;havoc main_#t~nondet29;~mode3~0 := main_#t~nondet30;havoc main_#t~nondet30;~alive3~0 := main_#t~nondet31;havoc main_#t~nondet31;~id4~0 := main_#t~nondet32;havoc main_#t~nondet32;~st4~0 := main_#t~nondet33;havoc main_#t~nondet33;~send4~0 := main_#t~nondet34;havoc main_#t~nondet34;~mode4~0 := main_#t~nondet35;havoc main_#t~nondet35;~alive4~0 := main_#t~nondet36;havoc main_#t~nondet36;~id5~0 := main_#t~nondet37;havoc main_#t~nondet37;~st5~0 := main_#t~nondet38;havoc main_#t~nondet38;~send5~0 := main_#t~nondet39;havoc main_#t~nondet39;~mode5~0 := main_#t~nondet40;havoc main_#t~nondet40;~alive5~0 := main_#t~nondet41;havoc main_#t~nondet41;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 544#L243 assume 0 == ~r1~0; 507#L244 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 >= 1; 508#L245 assume ~id1~0 >= 0; 532#L246 assume 0 == ~st1~0; 571#L247 assume ~send1~0 == ~id1~0; 606#L248 assume 0 == ~mode1~0 % 256; 503#L249 assume ~id2~0 >= 0; 504#L250 assume 0 == ~st2~0; 591#L251 assume ~send2~0 == ~id2~0; 553#L252 assume 0 == ~mode2~0 % 256; 554#L253 assume ~id3~0 >= 0; 557#L254 assume 0 == ~st3~0; 521#L255 assume ~send3~0 == ~id3~0; 522#L256 assume 0 == ~mode3~0 % 256; 555#L257 assume ~id4~0 >= 0; 534#L258 assume 0 == ~st4~0; 535#L259 assume ~send4~0 == ~id4~0; 574#L260 assume 0 == ~mode4~0 % 256; 575#L261 assume ~id5~0 >= 0; 563#L262 assume 0 == ~st5~0; 564#L263 assume ~send5~0 == ~id5~0; 569#L264 assume 0 == ~mode5~0 % 256; 570#L265 assume ~id1~0 != ~id2~0; 517#L266 assume ~id1~0 != ~id3~0; 518#L267 assume ~id1~0 != ~id4~0; 526#L268 assume ~id1~0 != ~id5~0; 527#L269 assume ~id2~0 != ~id3~0; 509#L270 assume ~id2~0 != ~id4~0; 510#L271 assume ~id2~0 != ~id5~0; 536#L272 assume ~id3~0 != ~id4~0; 548#L273 assume ~id3~0 != ~id5~0; 568#L274 assume ~id4~0 != ~id5~0;init_~tmp~0 := 1; 595#L243-1 init_#res := init_~tmp~0; 537#L372 main_#t~ret42 := init_#res;main_~i2~0 := main_#t~ret42;havoc main_#t~ret42;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; 538#L22 assume !(0 == assume_abort_if_not_~cond); 547#L21 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0 := 0; 601#L441-2 [2021-11-09 10:49:29,408 INFO L793 eck$LassoCheckResult]: Loop: 601#L441-2 assume !!(main_~i2~0 < 10);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 576#L76 assume !(0 != ~mode1~0 % 256); 577#L94 assume !(0 != ~alive1~0 % 256); 604#L94-2 ~mode1~0 := 1; 605#L76-2 havoc node2_#t~ite8, node2_#t~ite9, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 528#L108 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 523#L111 assume !(node2_~m2~0 != ~nomsg~0); 525#L111-1 ~mode2~0 := 0; 599#L108-2 havoc node3_#t~ite10, node3_#t~ite11, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 600#L142 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 565#L145 assume !(node3_~m3~0 != ~nomsg~0); 567#L145-1 ~mode3~0 := 0; 562#L142-2 havoc node4_#t~ite12, node4_#t~ite13, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 549#L176 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 551#L179 assume !(node4_~m4~0 != ~nomsg~0); 500#L179-1 ~mode4~0 := 0; 588#L176-2 havoc node5_#t~ite14, node5_#t~ite15, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 511#L210 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 512#L213 assume !(node5_~m5~0 != ~nomsg~0); 546#L213-1 ~mode5~0 := 0; 607#L210-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 582#L380 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 578#L381 assume ~r1~0 < 5;check_~tmp~1 := 1; 505#L380-1 check_#res := check_~tmp~1; 506#L392 main_#t~ret43 := check_#res;main_~c1~0 := main_#t~ret43;havoc main_#t~ret43;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 530#L471 assume !(0 == assert_~arg % 256); 531#L466 main_#t~post44 := main_~i2~0;main_~i2~0 := 1 + main_#t~post44;havoc main_#t~post44; 601#L441-2 [2021-11-09 10:49:29,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:49:29,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1707437673, now seen corresponding path program 2 times [2021-11-09 10:49:29,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:49:29,410 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010883410] [2021-11-09 10:49:29,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:49:29,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:49:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 10:49:29,446 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 10:49:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 10:49:29,503 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 10:49:29,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:49:29,504 INFO L85 PathProgramCache]: Analyzing trace with hash -664930306, now seen corresponding path program 1 times [2021-11-09 10:49:29,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:49:29,505 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394668218] [2021-11-09 10:49:29,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:49:29,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:49:29,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 10:49:29,544 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 10:49:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 10:49:29,574 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 10:49:29,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:49:29,576 INFO L85 PathProgramCache]: Analyzing trace with hash 696981672, now seen corresponding path program 1 times [2021-11-09 10:49:29,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:49:29,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935032336] [2021-11-09 10:49:29,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:49:29,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:49:29,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:49:29,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:49:29,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:49:29,730 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935032336] [2021-11-09 10:49:29,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935032336] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:49:29,730 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:49:29,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 10:49:29,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327910950] [2021-11-09 10:49:30,725 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 10:49:30,726 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 10:49:30,726 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 10:49:30,727 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 10:49:30,727 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-09 10:49:30,727 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 10:49:30,727 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 10:49:30,727 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 10:49:30,727 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c_Iteration3_Loop [2021-11-09 10:49:30,728 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 10:49:30,728 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 10:49:30,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:30,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:30,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:30,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:30,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:30,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:30,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:30,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:30,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:30,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:30,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:30,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:30,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:30,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:30,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:30,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:30,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:30,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:30,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:30,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:30,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:30,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:30,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:31,422 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 10:49:31,423 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-09 10:49:31,426 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 10:49:31,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:49:31,431 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 10:49:31,440 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 10:49:31,440 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 10:49:31,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-09 10:49:31,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-09 10:49:31,510 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 10:49:31,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:49:31,512 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 10:49:31,524 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-09 10:49:31,524 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 10:49:31,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-09 10:49:31,736 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-09 10:49:31,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-09 10:49:31,744 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 10:49:31,744 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 10:49:31,744 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 10:49:31,744 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 10:49:31,744 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 10:49:31,745 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 10:49:31,745 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 10:49:31,745 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 10:49:31,745 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c_Iteration3_Loop [2021-11-09 10:49:31,745 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 10:49:31,745 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 10:49:31,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:31,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:31,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:31,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:31,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:31,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:31,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:31,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:31,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:31,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:31,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:31,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:31,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:31,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:31,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:31,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:31,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:31,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:31,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:31,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:31,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:31,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:31,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:49:32,396 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 10:49:32,401 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 10:49:32,402 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 10:49:32,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:49:32,407 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 10:49:32,413 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 10:49:32,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 10:49:32,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 10:49:32,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 10:49:32,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 10:49:32,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 10:49:32,426 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 10:49:32,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 10:49:32,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-09 10:49:32,437 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 10:49:32,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-09 10:49:32,474 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 10:49:32,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:49:32,475 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 10:49:32,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-09 10:49:32,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 10:49:32,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 10:49:32,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 10:49:32,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 10:49:32,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 10:49:32,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 10:49:32,486 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 10:49:32,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 10:49:32,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 10:49:32,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-11-09 10:49:32,515 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 10:49:32,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:49:32,516 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 10:49:32,531 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 10:49:32,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 10:49:32,540 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 10:49:32,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 10:49:32,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 10:49:32,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 10:49:32,541 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 10:49:32,541 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 10:49:32,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-09 10:49:32,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 10:49:32,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-09 10:49:32,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 10:49:32,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:49:32,589 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 10:49:32,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-09 10:49:32,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 10:49:32,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 10:49:32,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 10:49:32,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 10:49:32,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 10:49:32,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 10:49:32,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 10:49:32,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 10:49:32,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 10:49:32,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-11-09 10:49:32,622 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 10:49:32,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:49:32,624 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 10:49:32,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-09 10:49:32,625 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 10:49:32,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 10:49:32,633 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 10:49:32,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 10:49:32,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 10:49:32,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 10:49:32,634 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 10:49:32,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 10:49:32,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 10:49:32,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-11-09 10:49:32,659 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 10:49:32,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:49:32,661 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 10:49:32,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-09 10:49:32,663 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 10:49:32,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 10:49:32,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 10:49:32,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 10:49:32,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 10:49:32,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 10:49:32,673 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 10:49:32,673 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 10:49:32,684 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 10:49:32,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-09 10:49:32,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 10:49:32,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:49:32,713 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 10:49:32,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 10:49:32,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-09 10:49:32,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 10:49:32,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 10:49:32,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 10:49:32,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 10:49:32,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 10:49:32,724 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 10:49:32,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 10:49:32,753 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 10:49:32,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-09 10:49:32,777 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 10:49:32,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:49:32,779 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 10:49:32,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-09 10:49:32,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 10:49:32,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 10:49:32,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 10:49:32,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 10:49:32,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 10:49:32,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 10:49:32,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 10:49:32,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 10:49:32,801 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 10:49:32,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-09 10:49:32,822 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 10:49:32,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:49:32,824 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 10:49:32,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-09 10:49:32,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 10:49:32,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 10:49:32,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 10:49:32,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 10:49:32,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 10:49:32,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 10:49:32,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 10:49:32,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 10:49:32,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 10:49:32,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-09 10:49:32,858 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 10:49:32,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:49:32,859 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 10:49:32,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-09 10:49:32,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 10:49:32,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 10:49:32,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 10:49:32,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 10:49:32,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 10:49:32,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 10:49:32,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 10:49:32,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 10:49:32,878 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 10:49:32,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-11-09 10:49:32,904 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 10:49:32,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:49:32,905 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 10:49:32,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-09 10:49:32,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 10:49:32,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 10:49:32,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 10:49:32,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 10:49:32,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 10:49:32,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 10:49:32,914 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 10:49:32,915 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 10:49:32,923 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 10:49:32,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-11-09 10:49:32,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 10:49:32,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:49:32,949 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 10:49:32,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 10:49:32,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-09 10:49:32,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 10:49:32,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 10:49:32,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 10:49:32,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 10:49:32,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 10:49:32,975 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 10:49:32,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 10:49:32,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 10:49:32,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-09 10:49:32,999 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 10:49:32,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:49:33,000 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 10:49:33,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-09 10:49:33,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 10:49:33,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 10:49:33,010 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 10:49:33,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 10:49:33,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 10:49:33,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 10:49:33,012 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 10:49:33,013 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 10:49:33,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 10:49:33,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-09 10:49:33,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 10:49:33,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:49:33,039 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 10:49:33,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-09 10:49:33,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 10:49:33,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 10:49:33,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 10:49:33,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 10:49:33,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 10:49:33,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 10:49:33,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 10:49:33,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 10:49:33,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 10:49:33,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-09 10:49:33,108 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 10:49:33,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:49:33,120 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 10:49:33,127 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 10:49:33,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 10:49:33,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 10:49:33,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 10:49:33,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 10:49:33,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 10:49:33,138 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 10:49:33,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 10:49:33,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-09 10:49:33,163 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-09 10:49:33,176 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-09 10:49:33,177 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-09 10:49:33,178 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 10:49:33,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:49:33,192 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 10:49:33,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-09 10:49:33,228 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-09 10:49:33,228 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-09 10:49:33,229 INFO L513 LassoAnalysis]: Proved termination. [2021-11-09 10:49:33,229 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 19 Supporting invariants [] [2021-11-09 10:49:33,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-09 10:49:33,265 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-09 10:49:33,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:49:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:49:33,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 10:49:33,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:49:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:49:33,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-09 10:49:33,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:49:33,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:49:33,705 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-09 10:49:33,705 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 113 states and 157 transitions. cyclomatic complexity: 45 Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:49:33,752 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 113 states and 157 transitions. cyclomatic complexity: 45. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 188 states and 277 transitions. Complement of second has 4 states. [2021-11-09 10:49:33,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-09 10:49:33,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:49:33,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 157 transitions. [2021-11-09 10:49:33,755 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 157 transitions. Stem has 38 letters. Loop has 27 letters. [2021-11-09 10:49:33,757 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 10:49:33,757 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 157 transitions. Stem has 65 letters. Loop has 27 letters. [2021-11-09 10:49:33,758 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 10:49:33,758 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 157 transitions. Stem has 38 letters. Loop has 54 letters. [2021-11-09 10:49:33,759 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 10:49:33,760 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 188 states and 277 transitions. [2021-11-09 10:49:33,762 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-09 10:49:33,762 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 188 states to 0 states and 0 transitions. [2021-11-09 10:49:33,763 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-09 10:49:33,763 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-09 10:49:33,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-09 10:49:33,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 10:49:33,763 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 10:49:33,763 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 10:49:33,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:49:33,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 10:49:33,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 10:49:33,764 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:49:33,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:49:33,764 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-11-09 10:49:33,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-09 10:49:33,765 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-11-09 10:49:33,765 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-09 10:49:33,765 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-11-09 10:49:33,765 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-09 10:49:33,765 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-09 10:49:33,765 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-09 10:49:33,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 10:49:33,765 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 10:49:33,765 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 10:49:33,766 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 10:49:33,766 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-09 10:49:33,766 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-09 10:49:33,766 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-09 10:49:33,766 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-09 10:49:33,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 10:49:33 BoogieIcfgContainer [2021-11-09 10:49:33,772 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-09 10:49:33,773 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 10:49:33,773 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 10:49:33,773 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 10:49:33,773 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:49:28" (3/4) ... [2021-11-09 10:49:33,776 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-09 10:49:33,776 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 10:49:33,778 INFO L168 Benchmark]: Toolchain (without parser) took 7090.14 ms. Allocated memory was 117.4 MB in the beginning and 163.6 MB in the end (delta: 46.1 MB). Free memory was 79.7 MB in the beginning and 94.5 MB in the end (delta: -14.8 MB). Peak memory consumption was 30.1 MB. Max. memory is 16.1 GB. [2021-11-09 10:49:33,779 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 117.4 MB. Free memory was 96.8 MB in the beginning and 96.7 MB in the end (delta: 69.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 10:49:33,779 INFO L168 Benchmark]: CACSL2BoogieTranslator took 429.80 ms. Allocated memory is still 117.4 MB. Free memory was 79.5 MB in the beginning and 89.4 MB in the end (delta: -9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-09 10:49:33,780 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.20 ms. Allocated memory is still 117.4 MB. Free memory was 89.4 MB in the beginning and 86.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-09 10:49:33,781 INFO L168 Benchmark]: Boogie Preprocessor took 66.44 ms. Allocated memory is still 117.4 MB. Free memory was 86.7 MB in the beginning and 85.0 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 10:49:33,781 INFO L168 Benchmark]: RCFGBuilder took 811.18 ms. Allocated memory is still 117.4 MB. Free memory was 84.6 MB in the beginning and 62.9 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-11-09 10:49:33,782 INFO L168 Benchmark]: BuchiAutomizer took 5692.90 ms. Allocated memory was 117.4 MB in the beginning and 163.6 MB in the end (delta: 46.1 MB). Free memory was 62.5 MB in the beginning and 95.5 MB in the end (delta: -33.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. [2021-11-09 10:49:33,782 INFO L168 Benchmark]: Witness Printer took 3.98 ms. Allocated memory is still 163.6 MB. Free memory was 95.5 MB in the beginning and 94.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 10:49:33,785 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 117.4 MB. Free memory was 96.8 MB in the beginning and 96.7 MB in the end (delta: 69.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 429.80 ms. Allocated memory is still 117.4 MB. Free memory was 79.5 MB in the beginning and 89.4 MB in the end (delta: -9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.20 ms. Allocated memory is still 117.4 MB. Free memory was 89.4 MB in the beginning and 86.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 66.44 ms. Allocated memory is still 117.4 MB. Free memory was 86.7 MB in the beginning and 85.0 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 811.18 ms. Allocated memory is still 117.4 MB. Free memory was 84.6 MB in the beginning and 62.9 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5692.90 ms. Allocated memory was 117.4 MB in the beginning and 163.6 MB in the end (delta: 46.1 MB). Free memory was 62.5 MB in the beginning and 95.5 MB in the end (delta: -33.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. * Witness Printer took 3.98 ms. Allocated memory is still 163.6 MB. Free memory was 95.5 MB in the beginning and 94.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 19 + -2 * i2 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 113 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 506 SDtfs, 278 SDslu, 1129 SDs, 0 SdLazy, 26 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI1 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital142 mio100 ax100 hnf100 lsp41 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq228 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 35ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-09 10:49:33,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-09 10:49:34,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8b2890-d6f0-4e4c-b661-9e69013cf20e/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE