./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/terminator_02-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/terminator_02-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL --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 894c556b0f4feb663ec35a01a2d06acf931df74aff57a717fa48cbd5e0bf347b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:24:27,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:24:27,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:24:28,021 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:24:28,021 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:24:28,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:24:28,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:24:28,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:24:28,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:24:28,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:24:28,042 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:24:28,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:24:28,044 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:24:28,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:24:28,049 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:24:28,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:24:28,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:24:28,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:24:28,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:24:28,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:24:28,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:24:28,069 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:24:28,072 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:24:28,073 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:24:28,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:24:28,078 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:24:28,078 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:24:28,080 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:24:28,081 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:24:28,082 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:24:28,083 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:24:28,084 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:24:28,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:24:28,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:24:28,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:24:28,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:24:28,089 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:24:28,089 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:24:28,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:24:28,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:24:28,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:24:28,092 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-19 05:24:28,147 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:24:28,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:24:28,148 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:24:28,148 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:24:28,149 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:24:28,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:24:28,150 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:24:28,150 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-19 05:24:28,150 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-19 05:24:28,151 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-19 05:24:28,152 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-19 05:24:28,152 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-19 05:24:28,152 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-19 05:24:28,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:24:28,153 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:24:28,153 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 05:24:28,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:24:28,153 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:24:28,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:24:28,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-19 05:24:28,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-19 05:24:28,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-19 05:24:28,154 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:24:28,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:24:28,155 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-19 05:24:28,155 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:24:28,157 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-19 05:24:28,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:24:28,157 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:24:28,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:24:28,158 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 05:24:28,158 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 05:24:28,159 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-19 05:24:28,160 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_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 894c556b0f4feb663ec35a01a2d06acf931df74aff57a717fa48cbd5e0bf347b [2021-11-19 05:24:28,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:24:28,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:24:28,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:24:28,444 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:24:28,445 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:24:28,447 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/loops/terminator_02-2.c [2021-11-19 05:24:28,507 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/data/817a66332/691f41d39a7344f69e8648a4b41f9c76/FLAG3eba419ed [2021-11-19 05:24:29,006 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:24:29,008 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/sv-benchmarks/c/loops/terminator_02-2.c [2021-11-19 05:24:29,018 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/data/817a66332/691f41d39a7344f69e8648a4b41f9c76/FLAG3eba419ed [2021-11-19 05:24:29,381 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/data/817a66332/691f41d39a7344f69e8648a4b41f9c76 [2021-11-19 05:24:29,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:24:29,385 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:24:29,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:24:29,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:24:29,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:24:29,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:24:29" (1/1) ... [2021-11-19 05:24:29,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a77994d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:29, skipping insertion in model container [2021-11-19 05:24:29,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:24:29" (1/1) ... [2021-11-19 05:24:29,402 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:24:29,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:24:29,593 WARN L230 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_a4e187b4-13dd-45aa-820f-d59d9136db84/sv-benchmarks/c/loops/terminator_02-2.c[414,427] [2021-11-19 05:24:29,618 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:24:29,636 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:24:29,652 WARN L230 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_a4e187b4-13dd-45aa-820f-d59d9136db84/sv-benchmarks/c/loops/terminator_02-2.c[414,427] [2021-11-19 05:24:29,658 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:24:29,669 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:24:29,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:29 WrapperNode [2021-11-19 05:24:29,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:24:29,671 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:24:29,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:24:29,671 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:24:29,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:29" (1/1) ... [2021-11-19 05:24:29,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:29" (1/1) ... [2021-11-19 05:24:29,725 INFO L137 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 51 [2021-11-19 05:24:29,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:24:29,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:24:29,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:24:29,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:24:29,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:29" (1/1) ... [2021-11-19 05:24:29,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:29" (1/1) ... [2021-11-19 05:24:29,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:29" (1/1) ... [2021-11-19 05:24:29,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:29" (1/1) ... [2021-11-19 05:24:29,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:29" (1/1) ... [2021-11-19 05:24:29,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:29" (1/1) ... [2021-11-19 05:24:29,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:29" (1/1) ... [2021-11-19 05:24:29,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:24:29,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:24:29,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:24:29,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:24:29,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:29" (1/1) ... [2021-11-19 05:24:29,754 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:29,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:24:29,781 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:24:29,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-19 05:24:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 05:24:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 05:24:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:24:29,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:24:29,878 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:24:29,880 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:24:29,980 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:24:29,993 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:24:29,993 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-19 05:24:29,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:24:29 BoogieIcfgContainer [2021-11-19 05:24:29,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:24:29,996 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-19 05:24:29,996 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-19 05:24:30,006 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-19 05:24:30,007 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 05:24:30,007 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 05:24:29" (1/3) ... [2021-11-19 05:24:30,015 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@49dda5cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 05:24:30, skipping insertion in model container [2021-11-19 05:24:30,015 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 05:24:30,015 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:29" (2/3) ... [2021-11-19 05:24:30,015 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@49dda5cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 05:24:30, skipping insertion in model container [2021-11-19 05:24:30,015 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 05:24:30,016 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:24:29" (3/3) ... [2021-11-19 05:24:30,017 INFO L388 chiAutomizerObserver]: Analyzing ICFG terminator_02-2.c [2021-11-19 05:24:30,080 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-19 05:24:30,081 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-19 05:24:30,081 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-19 05:24:30,081 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-19 05:24:30,081 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-19 05:24:30,081 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-19 05:24:30,081 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-19 05:24:30,081 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-19 05:24:30,120 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:24:30,146 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-19 05:24:30,146 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 05:24:30,146 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 05:24:30,152 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-19 05:24:30,152 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-19 05:24:30,152 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-19 05:24:30,153 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:24:30,155 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-19 05:24:30,155 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 05:24:30,156 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 05:24:30,170 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-19 05:24:30,170 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-19 05:24:30,187 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~post7#1, main_#t~post8#1, main_#t~post9#1, main_~tmp~0#1, main_~x~0#1, main_~z~0#1;main_~x~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~z~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9#L22true assume !!(main_~x~0#1 > -100); 12#L23true assume !!(main_~x~0#1 < 200); 13#L24true assume !!(main_~z~0#1 > 100); 6#L25true assume !!(main_~z~0#1 < 200); 17#L29-2true [2021-11-19 05:24:30,188 INFO L793 eck$LassoCheckResult]: Loop: 17#L29-2true assume !!(main_~x~0#1 < 100 && main_~z~0#1 > 100);main_~tmp~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 7#L29true assume 0 != main_~tmp~0#1 % 256;main_#t~post7#1 := main_~x~0#1;main_~x~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 17#L29-2true [2021-11-19 05:24:30,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:24:30,194 INFO L85 PathProgramCache]: Analyzing trace with hash 889571341, now seen corresponding path program 1 times [2021-11-19 05:24:30,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:24:30,227 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708272804] [2021-11-19 05:24:30,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:24:30,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:24:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:24:30,337 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:24:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:24:30,363 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:24:30,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:24:30,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1956, now seen corresponding path program 1 times [2021-11-19 05:24:30,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:24:30,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498149934] [2021-11-19 05:24:30,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:24:30,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:24:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:24:30,378 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:24:30,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:24:30,386 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:24:30,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:24:30,388 INFO L85 PathProgramCache]: Analyzing trace with hash 179567792, now seen corresponding path program 1 times [2021-11-19 05:24:30,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:24:30,389 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255883674] [2021-11-19 05:24:30,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:24:30,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:24:30,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:24:30,402 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:24:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:24:30,418 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:24:30,495 INFO L210 LassoAnalysis]: Preferences: [2021-11-19 05:24:30,496 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-19 05:24:30,496 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-19 05:24:30,496 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-19 05:24:30,496 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-19 05:24:30,497 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:30,497 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-19 05:24:30,497 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-19 05:24:30,497 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_02-2.c_Iteration1_Loop [2021-11-19 05:24:30,497 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-19 05:24:30,498 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-19 05:24:30,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:24:30,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:24:30,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:24:30,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:24:30,626 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-19 05:24:30,626 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-19 05:24:30,629 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:30,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:24:30,631 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:24:30,665 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:24:30,665 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:24:30,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-19 05:24:30,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-19 05:24:30,732 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:30,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:24:30,734 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:24:30,740 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-19 05:24:30,740 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:24:30,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-19 05:24:30,800 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-19 05:24:30,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-19 05:24:30,804 INFO L210 LassoAnalysis]: Preferences: [2021-11-19 05:24:30,804 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-19 05:24:30,804 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-19 05:24:30,804 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-19 05:24:30,804 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-19 05:24:30,804 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:30,804 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-19 05:24:30,805 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-19 05:24:30,805 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_02-2.c_Iteration1_Loop [2021-11-19 05:24:30,805 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-19 05:24:30,805 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-19 05:24:30,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:24:30,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:24:30,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:24:30,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:24:30,933 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-19 05:24:30,938 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-19 05:24:30,939 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:30,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:24:30,948 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:24:30,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-19 05:24:30,963 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 [2021-11-19 05:24:30,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:24:30,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:24:30,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:24:30,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:24:30,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:24:30,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:24:30,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:24:31,004 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-19 05:24:31,012 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-19 05:24:31,012 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-19 05:24:31,014 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:31,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:24:31,020 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:24:31,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-19 05:24:31,033 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-19 05:24:31,033 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-19 05:24:31,034 INFO L513 LassoAnalysis]: Proved termination. [2021-11-19 05:24:31,034 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = -2*ULTIMATE.start_main_~x~0#1 + 199 Supporting invariants [] [2021-11-19 05:24:31,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-19 05:24:31,073 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-19 05:24:31,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:24:31,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:24:31,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-11-19 05:24:31,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 05:24:31,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:24:31,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:24:31,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 05:24:31,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:24:31,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:24:31,240 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 [2021-11-19 05:24:31,242 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-11-19 05:24:31,289 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 43 states and 56 transitions. Complement of second has 8 states. [2021-11-19 05:24:31,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-19 05:24:31,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-11-19 05:24:31,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 30 transitions. [2021-11-19 05:24:31,298 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 6 letters. Loop has 2 letters. [2021-11-19 05:24:31,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:24:31,299 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 8 letters. Loop has 2 letters. [2021-11-19 05:24:31,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:24:31,299 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 6 letters. Loop has 4 letters. [2021-11-19 05:24:31,300 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:24:31,300 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 56 transitions. [2021-11-19 05:24:31,304 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-19 05:24:31,308 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 12 states and 15 transitions. [2021-11-19 05:24:31,309 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-11-19 05:24:31,309 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-11-19 05:24:31,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2021-11-19 05:24:31,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-19 05:24:31,310 INFO L681 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-11-19 05:24:31,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2021-11-19 05:24:31,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-11-19 05:24:31,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:24:31,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2021-11-19 05:24:31,337 INFO L704 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-11-19 05:24:31,337 INFO L587 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-11-19 05:24:31,337 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-19 05:24:31,337 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2021-11-19 05:24:31,338 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-19 05:24:31,338 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 05:24:31,338 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 05:24:31,339 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:24:31,339 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-19 05:24:31,339 INFO L791 eck$LassoCheckResult]: Stem: 112#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 113#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~post7#1, main_#t~post8#1, main_#t~post9#1, main_~tmp~0#1, main_~x~0#1, main_~z~0#1;main_~x~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~z~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 110#L22 assume !!(main_~x~0#1 > -100); 111#L23 assume !!(main_~x~0#1 < 200); 120#L24 assume !!(main_~z~0#1 > 100); 114#L25 assume !!(main_~z~0#1 < 200); 115#L29-2 assume !!(main_~x~0#1 < 100 && main_~z~0#1 > 100);main_~tmp~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 116#L29 assume !(0 != main_~tmp~0#1 % 256);main_#t~post8#1 := main_~x~0#1;main_~x~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1;main_#t~post9#1 := main_~z~0#1;main_~z~0#1 := main_#t~post9#1 - 1;havoc main_#t~post9#1; 117#L29-2 [2021-11-19 05:24:31,339 INFO L793 eck$LassoCheckResult]: Loop: 117#L29-2 assume !!(main_~x~0#1 < 100 && main_~z~0#1 > 100);main_~tmp~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 121#L29 assume 0 != main_~tmp~0#1 % 256;main_#t~post7#1 := main_~x~0#1;main_~x~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 117#L29-2 [2021-11-19 05:24:31,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:24:31,340 INFO L85 PathProgramCache]: Analyzing trace with hash 179567794, now seen corresponding path program 1 times [2021-11-19 05:24:31,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:24:31,341 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003336324] [2021-11-19 05:24:31,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:24:31,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:24:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:24:31,352 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:24:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:24:31,366 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:24:31,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:24:31,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1956, now seen corresponding path program 2 times [2021-11-19 05:24:31,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:24:31,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048793842] [2021-11-19 05:24:31,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:24:31,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:24:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:24:31,373 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:24:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:24:31,378 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:24:31,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:24:31,379 INFO L85 PathProgramCache]: Analyzing trace with hash 765959189, now seen corresponding path program 1 times [2021-11-19 05:24:31,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:24:31,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613905936] [2021-11-19 05:24:31,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:24:31,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:24:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:24:31,392 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:24:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:24:31,407 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:24:31,450 INFO L210 LassoAnalysis]: Preferences: [2021-11-19 05:24:31,450 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-19 05:24:31,450 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-19 05:24:31,450 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-19 05:24:31,451 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-19 05:24:31,451 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:31,451 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-19 05:24:31,451 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-19 05:24:31,451 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_02-2.c_Iteration2_Loop [2021-11-19 05:24:31,451 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-19 05:24:31,451 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-19 05:24:31,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:24:31,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:24:31,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:24:31,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:24:31,567 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-19 05:24:31,568 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-19 05:24:31,568 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:31,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:24:31,576 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:24:31,578 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:24:31,579 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:24:31,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-19 05:24:31,612 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-19 05:24:31,612 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0#1=101} Honda state: {ULTIMATE.start_main_~z~0#1=101} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-19 05:24:31,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-19 05:24:31,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:31,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:24:31,652 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:24:31,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-19 05:24:31,658 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:24:31,660 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:24:31,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-19 05:24:31,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:31,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:24:31,724 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:24:31,730 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-19 05:24:31,730 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:24:31,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-19 05:24:31,788 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-19 05:24:31,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-19 05:24:31,796 INFO L210 LassoAnalysis]: Preferences: [2021-11-19 05:24:31,796 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-19 05:24:31,796 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-19 05:24:31,796 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-19 05:24:31,796 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-19 05:24:31,796 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:31,796 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-19 05:24:31,796 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-19 05:24:31,796 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_02-2.c_Iteration2_Loop [2021-11-19 05:24:31,796 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-19 05:24:31,797 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-19 05:24:31,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:24:31,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:24:31,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:24:31,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:24:31,897 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-19 05:24:31,897 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-19 05:24:31,897 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:31,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:24:31,898 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:24:31,904 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 [2021-11-19 05:24:31,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-19 05:24:31,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:24:31,914 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:24:31,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:24:31,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:24:31,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:24:31,915 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:24:31,915 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:24:31,927 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:24:31,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-19 05:24:31,963 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:31,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:24:31,969 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:24:31,974 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 [2021-11-19 05:24:31,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:24:31,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:24:31,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:24:31,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:24:31,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:24:31,986 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:24:31,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:24:31,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-19 05:24:31,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:24:32,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-19 05:24:32,028 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:32,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:24:32,029 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:24:32,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-19 05:24:32,041 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 [2021-11-19 05:24:32,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:24:32,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:24:32,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:24:32,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:24:32,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:24:32,052 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:24:32,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:24:32,080 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-19 05:24:32,084 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-19 05:24:32,084 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-19 05:24:32,084 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:32,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:24:32,086 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:24:32,092 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-19 05:24:32,092 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-19 05:24:32,092 INFO L513 LassoAnalysis]: Proved termination. [2021-11-19 05:24:32,092 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = -2*ULTIMATE.start_main_~x~0#1 + 199 Supporting invariants [] [2021-11-19 05:24:32,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-19 05:24:32,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-19 05:24:32,130 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-19 05:24:32,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:24:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:24:32,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 05:24:32,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:24:32,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:24:32,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 05:24:32,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:24:32,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:24:32,225 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 [2021-11-19 05:24:32,225 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:24:32,246 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 21 transitions. Complement of second has 5 states. [2021-11-19 05:24:32,249 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 [2021-11-19 05:24:32,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:24:32,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2021-11-19 05:24:32,250 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 8 letters. Loop has 2 letters. [2021-11-19 05:24:32,250 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:24:32,250 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 10 letters. Loop has 2 letters. [2021-11-19 05:24:32,251 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:24:32,251 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 8 letters. Loop has 4 letters. [2021-11-19 05:24:32,251 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:24:32,251 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 21 transitions. [2021-11-19 05:24:32,252 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-19 05:24:32,253 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 21 transitions. [2021-11-19 05:24:32,253 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-11-19 05:24:32,253 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-11-19 05:24:32,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2021-11-19 05:24:32,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-19 05:24:32,253 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-11-19 05:24:32,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2021-11-19 05:24:32,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-11-19 05:24:32,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 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) [2021-11-19 05:24:32,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2021-11-19 05:24:32,256 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-11-19 05:24:32,256 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-11-19 05:24:32,256 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-19 05:24:32,256 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2021-11-19 05:24:32,257 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-19 05:24:32,257 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 05:24:32,257 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 05:24:32,257 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-11-19 05:24:32,257 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-19 05:24:32,258 INFO L791 eck$LassoCheckResult]: Stem: 191#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 192#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~post7#1, main_#t~post8#1, main_#t~post9#1, main_~tmp~0#1, main_~x~0#1, main_~z~0#1;main_~x~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~z~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 189#L22 assume !!(main_~x~0#1 > -100); 190#L23 assume !!(main_~x~0#1 < 200); 195#L24 assume !!(main_~z~0#1 > 100); 193#L25 assume !!(main_~z~0#1 < 200); 194#L29-2 assume !!(main_~x~0#1 < 100 && main_~z~0#1 > 100);main_~tmp~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 196#L29 assume !(0 != main_~tmp~0#1 % 256);main_#t~post8#1 := main_~x~0#1;main_~x~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1;main_#t~post9#1 := main_~z~0#1;main_~z~0#1 := main_#t~post9#1 - 1;havoc main_#t~post9#1; 197#L29-2 assume !!(main_~x~0#1 < 100 && main_~z~0#1 > 100);main_~tmp~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 202#L29 assume !(0 != main_~tmp~0#1 % 256);main_#t~post8#1 := main_~x~0#1;main_~x~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1;main_#t~post9#1 := main_~z~0#1;main_~z~0#1 := main_#t~post9#1 - 1;havoc main_#t~post9#1; 200#L29-2 [2021-11-19 05:24:32,258 INFO L793 eck$LassoCheckResult]: Loop: 200#L29-2 assume !!(main_~x~0#1 < 100 && main_~z~0#1 > 100);main_~tmp~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 201#L29 assume 0 != main_~tmp~0#1 % 256;main_#t~post7#1 := main_~x~0#1;main_~x~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 200#L29-2 [2021-11-19 05:24:32,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:24:32,258 INFO L85 PathProgramCache]: Analyzing trace with hash 765959191, now seen corresponding path program 2 times [2021-11-19 05:24:32,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:24:32,259 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061353220] [2021-11-19 05:24:32,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:24:32,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:24:32,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:24:32,269 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:24:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:24:32,283 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:24:32,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:24:32,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1956, now seen corresponding path program 3 times [2021-11-19 05:24:32,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:24:32,284 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212484490] [2021-11-19 05:24:32,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:24:32,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:24:32,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:24:32,289 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:24:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:24:32,293 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:24:32,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:24:32,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1647375930, now seen corresponding path program 2 times [2021-11-19 05:24:32,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:24:32,294 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263524459] [2021-11-19 05:24:32,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:24:32,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:24:32,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:24:32,317 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:24:32,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:24:32,332 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:24:32,361 INFO L210 LassoAnalysis]: Preferences: [2021-11-19 05:24:32,361 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-19 05:24:32,361 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-19 05:24:32,361 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-19 05:24:32,362 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-19 05:24:32,362 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:32,362 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-19 05:24:32,362 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-19 05:24:32,362 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_02-2.c_Iteration3_Loop [2021-11-19 05:24:32,362 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-19 05:24:32,362 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-19 05:24:32,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:24:32,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:24:32,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:24:32,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:24:32,450 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-19 05:24:32,450 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-19 05:24:32,451 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:32,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:24:32,452 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:24:32,455 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:24:32,455 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:24:32,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-19 05:24:32,484 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-19 05:24:32,485 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0#1=101} Honda state: {ULTIMATE.start_main_~z~0#1=101} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-19 05:24:32,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-19 05:24:32,521 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:32,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:24:32,522 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:24:32,528 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:24:32,528 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:24:32,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-19 05:24:32,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-19 05:24:32,568 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:32,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:24:32,575 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:24:32,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-19 05:24:32,578 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-19 05:24:32,578 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:24:32,644 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-19 05:24:32,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-19 05:24:32,648 INFO L210 LassoAnalysis]: Preferences: [2021-11-19 05:24:32,648 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-19 05:24:32,648 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-19 05:24:32,648 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-19 05:24:32,648 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-19 05:24:32,648 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:32,648 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-19 05:24:32,648 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-19 05:24:32,648 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_02-2.c_Iteration3_Loop [2021-11-19 05:24:32,648 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-19 05:24:32,649 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-19 05:24:32,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:24:32,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:24:32,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:24:32,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:24:32,736 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-19 05:24:32,736 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-19 05:24:32,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:32,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:24:32,766 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:24:32,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-19 05:24:32,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-19 05:24:32,797 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 [2021-11-19 05:24:32,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:24:32,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:24:32,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:24:32,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:24:32,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:24:32,816 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:24:32,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:24:32,829 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:24:32,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-19 05:24:32,855 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:32,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:24:32,856 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:24:32,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-19 05:24:32,857 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 [2021-11-19 05:24:32,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:24:32,865 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:24:32,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:24:32,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:24:32,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:24:32,866 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:24:32,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:24:32,873 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-19 05:24:32,874 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-19 05:24:32,875 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-19 05:24:32,875 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:32,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:24:32,876 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:24:32,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-19 05:24:32,877 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-19 05:24:32,877 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-19 05:24:32,877 INFO L513 LassoAnalysis]: Proved termination. [2021-11-19 05:24:32,877 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = -2*ULTIMATE.start_main_~x~0#1 + 199 Supporting invariants [] [2021-11-19 05:24:32,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-19 05:24:32,903 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-19 05:24:32,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:24:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:24:32,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 05:24:32,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:24:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:24:32,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 05:24:32,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:24:32,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:24:32,985 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 [2021-11-19 05:24:32,985 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-11-19 05:24:32,997 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 18 states and 25 transitions. Complement of second has 5 states. [2021-11-19 05:24:32,997 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 [2021-11-19 05:24:32,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-11-19 05:24:32,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2021-11-19 05:24:32,999 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 10 letters. Loop has 2 letters. [2021-11-19 05:24:32,999 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:24:32,999 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-19 05:24:33,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:24:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:24:33,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 05:24:33,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:24:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:24:33,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 05:24:33,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:24:33,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:24:33,088 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-19 05:24:33,088 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-11-19 05:24:33,103 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 18 states and 25 transitions. Complement of second has 5 states. [2021-11-19 05:24:33,103 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 [2021-11-19 05:24:33,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-11-19 05:24:33,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2021-11-19 05:24:33,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 10 letters. Loop has 2 letters. [2021-11-19 05:24:33,105 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:24:33,105 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-19 05:24:33,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:24:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:24:33,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 05:24:33,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:24:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:24:33,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 05:24:33,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:24:33,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:24:33,164 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-19 05:24:33,164 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-11-19 05:24:33,175 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 20 states and 28 transitions. Complement of second has 4 states. [2021-11-19 05:24:33,175 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 [2021-11-19 05:24:33,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-11-19 05:24:33,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2021-11-19 05:24:33,177 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 10 letters. Loop has 2 letters. [2021-11-19 05:24:33,177 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:24:33,177 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 12 letters. Loop has 2 letters. [2021-11-19 05:24:33,178 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:24:33,178 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 10 letters. Loop has 4 letters. [2021-11-19 05:24:33,178 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:24:33,178 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 28 transitions. [2021-11-19 05:24:33,180 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-19 05:24:33,180 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 18 states and 24 transitions. [2021-11-19 05:24:33,181 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-11-19 05:24:33,181 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-11-19 05:24:33,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 24 transitions. [2021-11-19 05:24:33,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-19 05:24:33,181 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2021-11-19 05:24:33,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 24 transitions. [2021-11-19 05:24:33,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 10. [2021-11-19 05:24:33,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:24:33,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2021-11-19 05:24:33,183 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2021-11-19 05:24:33,183 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2021-11-19 05:24:33,183 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-19 05:24:33,183 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2021-11-19 05:24:33,184 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-19 05:24:33,184 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 05:24:33,184 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 05:24:33,185 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-19 05:24:33,185 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-19 05:24:33,185 INFO L791 eck$LassoCheckResult]: Stem: 403#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 404#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~post7#1, main_#t~post8#1, main_#t~post9#1, main_~tmp~0#1, main_~x~0#1, main_~z~0#1;main_~x~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~z~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 401#L22 assume !!(main_~x~0#1 > -100); 402#L23 assume !!(main_~x~0#1 < 200); 410#L24 assume !!(main_~z~0#1 > 100); 405#L25 assume !!(main_~z~0#1 < 200); 406#L29-2 [2021-11-19 05:24:33,185 INFO L793 eck$LassoCheckResult]: Loop: 406#L29-2 assume !!(main_~x~0#1 < 100 && main_~z~0#1 > 100);main_~tmp~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 407#L29 assume !(0 != main_~tmp~0#1 % 256);main_#t~post8#1 := main_~x~0#1;main_~x~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1;main_#t~post9#1 := main_~z~0#1;main_~z~0#1 := main_#t~post9#1 - 1;havoc main_#t~post9#1; 406#L29-2 [2021-11-19 05:24:33,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:24:33,186 INFO L85 PathProgramCache]: Analyzing trace with hash 889571341, now seen corresponding path program 2 times [2021-11-19 05:24:33,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:24:33,186 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058243258] [2021-11-19 05:24:33,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:24:33,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:24:33,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:24:33,192 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:24:33,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:24:33,198 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:24:33,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:24:33,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1958, now seen corresponding path program 1 times [2021-11-19 05:24:33,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:24:33,199 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804375907] [2021-11-19 05:24:33,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:24:33,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:24:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:24:33,204 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:24:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:24:33,208 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:24:33,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:24:33,209 INFO L85 PathProgramCache]: Analyzing trace with hash 179567794, now seen corresponding path program 3 times [2021-11-19 05:24:33,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:24:33,209 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109400973] [2021-11-19 05:24:33,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:24:33,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:24:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:24:33,217 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:24:33,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:24:33,225 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:24:33,257 INFO L210 LassoAnalysis]: Preferences: [2021-11-19 05:24:33,258 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-19 05:24:33,258 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-19 05:24:33,258 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-19 05:24:33,258 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-19 05:24:33,258 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:33,258 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-19 05:24:33,258 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-19 05:24:33,258 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_02-2.c_Iteration4_Loop [2021-11-19 05:24:33,259 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-19 05:24:33,259 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-19 05:24:33,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:24:33,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:24:33,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:24:33,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:24:33,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:24:33,349 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-19 05:24:33,349 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-19 05:24:33,349 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:33,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:24:33,350 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:24:33,353 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:24:33,354 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:24:33,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-19 05:24:33,365 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-19 05:24:33,365 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post9#1=0} Honda state: {ULTIMATE.start_main_#t~post9#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-19 05:24:33,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-11-19 05:24:33,388 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:33,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:24:33,388 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:24:33,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-19 05:24:33,394 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:24:33,394 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:24:33,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-19 05:24:33,421 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:33,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:24:33,422 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:24:33,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-19 05:24:33,424 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-19 05:24:33,424 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:24:33,443 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-19 05:24:33,443 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=99} Honda state: {ULTIMATE.start_main_~x~0#1=99} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=-1}, {ULTIMATE.start_main_~x~0#1=0}, {ULTIMATE.start_main_~x~0#1=0}] Lambdas: [1, 13, 8] Nus: [1, 1] [2021-11-19 05:24:33,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-19 05:24:33,463 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:33,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:24:33,464 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:24:33,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-19 05:24:33,475 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:24:33,475 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:24:33,497 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-19 05:24:33,498 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~tmp~0#1=0, ULTIMATE.start_main_#t~nondet6#1=0} Honda state: {ULTIMATE.start_main_~tmp~0#1=0, ULTIMATE.start_main_#t~nondet6#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-19 05:24:33,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-19 05:24:33,529 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:33,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:24:33,530 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:24:33,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-19 05:24:33,532 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:24:33,532 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:24:33,540 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-19 05:24:33,540 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post8#1=0} Honda state: {ULTIMATE.start_main_#t~post8#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-19 05:24:33,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-19 05:24:33,562 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:33,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:24:33,563 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:24:33,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-19 05:24:33,564 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:24:33,564 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:24:33,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-19 05:24:33,597 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:33,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:24:33,598 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:24:33,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-19 05:24:33,600 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-19 05:24:33,600 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:24:33,660 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-19 05:24:33,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-19 05:24:33,668 INFO L210 LassoAnalysis]: Preferences: [2021-11-19 05:24:33,668 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-19 05:24:33,668 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-19 05:24:33,668 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-19 05:24:33,668 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-19 05:24:33,668 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:33,668 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-19 05:24:33,668 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-19 05:24:33,668 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_02-2.c_Iteration4_Loop [2021-11-19 05:24:33,669 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-19 05:24:33,669 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-19 05:24:33,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:24:33,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:24:33,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:24:33,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:24:33,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:24:33,765 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-19 05:24:33,765 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-19 05:24:33,765 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:33,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:24:33,767 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:24:33,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-19 05:24:33,768 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 [2021-11-19 05:24:33,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:24:33,777 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:24:33,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:24:33,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:24:33,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:24:33,778 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:24:33,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:24:33,800 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:24:33,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-19 05:24:33,827 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:33,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:24:33,828 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:24:33,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-19 05:24:33,829 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 [2021-11-19 05:24:33,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:24:33,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:24:33,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:24:33,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:24:33,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:24:33,838 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:24:33,838 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:24:33,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:24:33,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-19 05:24:33,866 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:33,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:24:33,867 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:24:33,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-19 05:24:33,870 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 [2021-11-19 05:24:33,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:24:33,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:24:33,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:24:33,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:24:33,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:24:33,879 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:24:33,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:24:33,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:24:33,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-11-19 05:24:33,948 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:33,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:24:33,949 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:24:33,956 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 [2021-11-19 05:24:33,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:24:33,965 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:24:33,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:24:33,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:24:33,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:24:33,966 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:24:33,966 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:24:33,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-19 05:24:33,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:24:34,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-11-19 05:24:34,004 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:34,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:24:34,004 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:24:34,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-19 05:24:34,006 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 [2021-11-19 05:24:34,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:24:34,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:24:34,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:24:34,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:24:34,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:24:34,015 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:24:34,015 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:24:34,016 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-19 05:24:34,018 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-11-19 05:24:34,018 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-19 05:24:34,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:24:34,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:24:34,019 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:24:34,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-19 05:24:34,020 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-19 05:24:34,020 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-19 05:24:34,020 INFO L513 LassoAnalysis]: Proved termination. [2021-11-19 05:24:34,020 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0#1) = 1*ULTIMATE.start_main_~z~0#1 Supporting invariants [] [2021-11-19 05:24:34,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-19 05:24:34,040 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-19 05:24:34,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:24:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:24:34,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 05:24:34,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:24:34,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:24:34,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 05:24:34,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:24:34,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:24:34,111 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 [2021-11-19 05:24:34,111 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-11-19 05:24:34,126 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 16 states and 22 transitions. Complement of second has 4 states. [2021-11-19 05:24:34,127 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 [2021-11-19 05:24:34,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-11-19 05:24:34,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2021-11-19 05:24:34,128 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 6 letters. Loop has 2 letters. [2021-11-19 05:24:34,128 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:24:34,128 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 8 letters. Loop has 2 letters. [2021-11-19 05:24:34,128 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:24:34,128 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 6 letters. Loop has 4 letters. [2021-11-19 05:24:34,128 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:24:34,129 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 22 transitions. [2021-11-19 05:24:34,129 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-19 05:24:34,129 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2021-11-19 05:24:34,129 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-19 05:24:34,129 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-19 05:24:34,129 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-19 05:24:34,129 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 05:24:34,130 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 05:24:34,130 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 05:24:34,130 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 05:24:34,130 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-19 05:24:34,130 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-19 05:24:34,130 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-19 05:24:34,130 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-19 05:24:34,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 05:24:34 BoogieIcfgContainer [2021-11-19 05:24:34,136 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-19 05:24:34,137 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 05:24:34,137 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 05:24:34,137 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 05:24:34,138 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:24:29" (3/4) ... [2021-11-19 05:24:34,147 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-19 05:24:34,147 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 05:24:34,148 INFO L158 Benchmark]: Toolchain (without parser) took 4762.66ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 61.5MB in the beginning and 39.9MB in the end (delta: 21.6MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2021-11-19 05:24:34,149 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 102.8MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:24:34,150 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.57ms. Allocated memory is still 102.8MB. Free memory was 61.3MB in the beginning and 77.8MB in the end (delta: -16.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 05:24:34,150 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.23ms. Allocated memory is still 102.8MB. Free memory was 77.8MB in the beginning and 76.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 05:24:34,151 INFO L158 Benchmark]: Boogie Preprocessor took 19.24ms. Allocated memory is still 102.8MB. Free memory was 76.1MB in the beginning and 75.4MB in the end (delta: 756.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:24:34,151 INFO L158 Benchmark]: RCFGBuilder took 249.62ms. Allocated memory is still 102.8MB. Free memory was 75.4MB in the beginning and 65.9MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-19 05:24:34,152 INFO L158 Benchmark]: BuchiAutomizer took 4140.28ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 65.6MB in the beginning and 39.9MB in the end (delta: 25.7MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2021-11-19 05:24:34,152 INFO L158 Benchmark]: Witness Printer took 9.79ms. Allocated memory is still 123.7MB. Free memory is still 39.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:24:34,156 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 102.8MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.57ms. Allocated memory is still 102.8MB. Free memory was 61.3MB in the beginning and 77.8MB in the end (delta: -16.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.23ms. Allocated memory is still 102.8MB. Free memory was 77.8MB in the beginning and 76.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.24ms. Allocated memory is still 102.8MB. Free memory was 76.1MB in the beginning and 75.4MB in the end (delta: 756.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 249.62ms. Allocated memory is still 102.8MB. Free memory was 75.4MB in the beginning and 65.9MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 4140.28ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 65.6MB in the beginning and 39.9MB in the end (delta: 25.7MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. * Witness Printer took 9.79ms. Allocated memory is still 123.7MB. Free memory is still 39.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (0 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function 199 + -2 * x and consists of 5 locations. One deterministic module has affine ranking function 199 + -2 * x and consists of 3 locations. One deterministic module has affine ranking function z and consists of 3 locations. One nondeterministic module has affine ranking function 199 + -2 * x and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.0s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 3.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 16 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 66 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 60 mSDsluCounter, 71 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 60 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT4 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax100 hnf100 lsp47 ukn100 mio100 lsp100 div444 bol100 ite100 ukn100 eq150 hnf48 smp82 dnf100 smp100 tf106 neg97 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 95ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-19 05:24:34,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-19 05:24:34,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-11-19 05:24:34,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e187b4-13dd-45aa-820f-d59d9136db84/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE