./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-new/half.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loop-new/half.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 41a31ab8e42c0ba8256484457a81b8567cde71c6 ..................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 15:22:59,037 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 15:22:59,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 15:22:59,068 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 15:22:59,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 15:22:59,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 15:22:59,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 15:22:59,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 15:22:59,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 15:22:59,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 15:22:59,086 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 15:22:59,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 15:22:59,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 15:22:59,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 15:22:59,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 15:22:59,095 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 15:22:59,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 15:22:59,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 15:22:59,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 15:22:59,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 15:22:59,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 15:22:59,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 15:22:59,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 15:22:59,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 15:22:59,110 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 15:22:59,110 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 15:22:59,111 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 15:22:59,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 15:22:59,112 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 15:22:59,113 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 15:22:59,113 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 15:22:59,114 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 15:22:59,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 15:22:59,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 15:22:59,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 15:22:59,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 15:22:59,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 15:22:59,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 15:22:59,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 15:22:59,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 15:22:59,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 15:22:59,122 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-27 15:22:59,151 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 15:22:59,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 15:22:59,152 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 15:22:59,152 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 15:22:59,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 15:22:59,154 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 15:22:59,154 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 15:22:59,154 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 15:22:59,154 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 15:22:59,154 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 15:22:59,155 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 15:22:59,155 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 15:22:59,155 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 15:22:59,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 15:22:59,155 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 15:22:59,156 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 15:22:59,156 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 15:22:59,156 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 15:22:59,156 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 15:22:59,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 15:22:59,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 15:22:59,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 15:22:59,157 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 15:22:59,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 15:22:59,157 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 15:22:59,157 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 15:22:59,157 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 15:22:59,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 15:22:59,157 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 15:22:59,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 15:22:59,158 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 15:22:59,158 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 15:22:59,159 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 15:22:59,159 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41a31ab8e42c0ba8256484457a81b8567cde71c6 [2021-08-27 15:22:59,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 15:22:59,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 15:22:59,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 15:22:59,418 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 15:22:59,418 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 15:22:59,419 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-new/half.i [2021-08-27 15:22:59,474 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc885641d/24ebd38f31de4e23b8dff174a1f796f5/FLAG26e2fa508 [2021-08-27 15:22:59,799 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 15:22:59,799 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-new/half.i [2021-08-27 15:22:59,803 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc885641d/24ebd38f31de4e23b8dff174a1f796f5/FLAG26e2fa508 [2021-08-27 15:22:59,814 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc885641d/24ebd38f31de4e23b8dff174a1f796f5 [2021-08-27 15:22:59,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 15:22:59,817 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 15:22:59,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 15:22:59,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 15:22:59,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 15:22:59,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:22:59" (1/1) ... [2021-08-27 15:22:59,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2deae364 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:22:59, skipping insertion in model container [2021-08-27 15:22:59,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:22:59" (1/1) ... [2021-08-27 15:22:59,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 15:22:59,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 15:22:59,956 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-new/half.i[891,904] [2021-08-27 15:22:59,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:22:59,972 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 15:23:00,004 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-new/half.i[891,904] [2021-08-27 15:23:00,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:23:00,024 INFO L208 MainTranslator]: Completed translation [2021-08-27 15:23:00,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:23:00 WrapperNode [2021-08-27 15:23:00,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 15:23:00,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 15:23:00,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 15:23:00,026 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 15:23:00,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:23:00" (1/1) ... [2021-08-27 15:23:00,036 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:23:00" (1/1) ... [2021-08-27 15:23:00,047 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 15:23:00,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 15:23:00,048 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 15:23:00,048 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 15:23:00,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:23:00" (1/1) ... [2021-08-27 15:23:00,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:23:00" (1/1) ... [2021-08-27 15:23:00,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:23:00" (1/1) ... [2021-08-27 15:23:00,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:23:00" (1/1) ... [2021-08-27 15:23:00,068 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:23:00" (1/1) ... [2021-08-27 15:23:00,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:23:00" (1/1) ... [2021-08-27 15:23:00,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:23:00" (1/1) ... [2021-08-27 15:23:00,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 15:23:00,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 15:23:00,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 15:23:00,078 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 15:23:00,079 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:23:00" (1/1) ... [2021-08-27 15:23:00,083 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:23:00,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:23:00,103 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:23:00,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-27 15:23:00,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 15:23:00,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 15:23:00,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 15:23:00,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 15:23:00,339 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 15:23:00,339 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-27 15:23:00,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:23:00 BoogieIcfgContainer [2021-08-27 15:23:00,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 15:23:00,341 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 15:23:00,341 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 15:23:00,343 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 15:23:00,344 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:23:00,344 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 03:22:59" (1/3) ... [2021-08-27 15:23:00,345 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b7a03a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:23:00, skipping insertion in model container [2021-08-27 15:23:00,345 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:23:00,345 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:23:00" (2/3) ... [2021-08-27 15:23:00,345 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b7a03a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:23:00, skipping insertion in model container [2021-08-27 15:23:00,345 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:23:00,345 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:23:00" (3/3) ... [2021-08-27 15:23:00,346 INFO L389 chiAutomizerObserver]: Analyzing ICFG half.i [2021-08-27 15:23:00,375 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 15:23:00,388 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 15:23:00,389 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 15:23:00,389 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 15:23:00,389 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 15:23:00,389 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 15:23:00,389 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 15:23:00,389 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 15:23:00,399 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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) [2021-08-27 15:23:00,409 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-27 15:23:00,424 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:23:00,425 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:23:00,429 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-08-27 15:23:00,429 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 15:23:00,429 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 15:23:00,429 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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) [2021-08-27 15:23:00,430 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-27 15:23:00,430 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:23:00,430 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:23:00,431 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-08-27 15:23:00,431 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 15:23:00,435 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(9); 7#L-1true havoc main_#res;havoc main_#t~nondet3, main_#t~post5, main_#t~post4, main_~i~0, main_~n~0, main_~k~0;main_~i~0 := 0;main_~n~0 := 0;main_~k~0 := main_#t~nondet3;havoc main_#t~nondet3; 11#L28true assume !!(main_~k~0 <= 1000000 && main_~k~0 >= -1000000);main_~i~0 := 0; 9#L29-3true [2021-08-27 15:23:00,444 INFO L793 eck$LassoCheckResult]: Loop: 9#L29-3true assume !!(main_~i~0 < 2 * main_~k~0); 5#L30true assume 0 == (if main_~i~0 < 0 && 0 != main_~i~0 % 2 then main_~i~0 % 2 - 2 else main_~i~0 % 2);main_#t~post5 := main_~n~0;main_~n~0 := 1 + main_#t~post5;havoc main_#t~post5; 15#L29-2true main_#t~post4 := main_~i~0;main_~i~0 := 1 + main_#t~post4;havoc main_#t~post4; 9#L29-3true [2021-08-27 15:23:00,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:23:00,448 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-08-27 15:23:00,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:23:00,454 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901192715] [2021-08-27 15:23:00,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:23:00,454 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:23:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:23:00,531 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:23:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:23:00,569 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:23:00,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:23:00,575 INFO L82 PathProgramCache]: Analyzing trace with hash 44786, now seen corresponding path program 1 times [2021-08-27 15:23:00,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:23:00,576 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297756247] [2021-08-27 15:23:00,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:23:00,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:23:00,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:23:00,593 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:23:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:23:00,610 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:23:00,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:23:00,612 INFO L82 PathProgramCache]: Analyzing trace with hash 889574255, now seen corresponding path program 1 times [2021-08-27 15:23:00,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:23:00,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458147698] [2021-08-27 15:23:00,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:23:00,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:23:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:23:00,638 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:23:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:23:00,653 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:23:00,731 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:23:00,731 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:23:00,731 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:23:00,731 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:23:00,732 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 15:23:00,732 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:23:00,732 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:23:00,732 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:23:00,732 INFO L133 ssoRankerPreferences]: Filename of dumped script: half.i_Iteration1_Loop [2021-08-27 15:23:00,732 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:23:00,733 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:23:00,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:23:00,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:23:00,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:23:00,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:23:00,885 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:23:00,885 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 15:23:00,887 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:23:00,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:23:00,888 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:23:00,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-08-27 15:23:00,896 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:23:00,897 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:23:00,915 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:23:00,915 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post5=0} Honda state: {ULTIMATE.start_main_#t~post5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 15:23:00,933 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-08-27 15:23:00,933 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:23:00,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:23:00,934 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:23:00,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-08-27 15:23:00,941 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:23:00,941 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:23:00,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-08-27 15:23:00,975 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:23:00,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:23:00,975 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:23:00,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-08-27 15:23:00,989 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 15:23:00,989 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:23:01,021 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:23:01,021 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~n~0=0} Honda state: {ULTIMATE.start_main_~n~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~n~0=-1}, {ULTIMATE.start_main_~n~0=-1}, {ULTIMATE.start_main_~n~0=3}] Lambdas: [1, 4, 1] Nus: [0, 1] [2021-08-27 15:23:01,036 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-08-27 15:23:01,036 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:23:01,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:23:01,037 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:23:01,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-08-27 15:23:01,047 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:23:01,047 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:23:01,081 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-08-27 15:23:01,081 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:23:01,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:23:01,085 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:23:01,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-08-27 15:23:01,096 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 15:23:01,096 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:23:01,199 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 15:23:01,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-08-27 15:23:01,202 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:23:01,202 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:23:01,202 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:23:01,202 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:23:01,202 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:23:01,203 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:23:01,203 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:23:01,203 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:23:01,203 INFO L133 ssoRankerPreferences]: Filename of dumped script: half.i_Iteration1_Loop [2021-08-27 15:23:01,203 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:23:01,203 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:23:01,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:23:01,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:23:01,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:23:01,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:23:01,299 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:23:01,302 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:23:01,303 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:23:01,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:23:01,305 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:23:01,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-08-27 15:23:01,328 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 [2021-08-27 15:23:01,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:23:01,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:23:01,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:23:01,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:23:01,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:23:01,337 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:23:01,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:23:01,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:23:01,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-08-27 15:23:01,372 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:23:01,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:23:01,373 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:23:01,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-08-27 15:23:01,375 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 [2021-08-27 15:23:01,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:23:01,381 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:23:01,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:23:01,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:23:01,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:23:01,382 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:23:01,382 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:23:01,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:23:01,406 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-08-27 15:23:01,406 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:23:01,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:23:01,407 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:23:01,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-08-27 15:23:01,413 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:23:01,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:23:01,419 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:23:01,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:23:01,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:23:01,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:23:01,421 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:23:01,421 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:23:01,437 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:23:01,465 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-27 15:23:01,465 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-27 15:23:01,466 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:23:01,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:23:01,468 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:23:01,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-08-27 15:23:01,470 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:23:01,470 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-27 15:23:01,470 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:23:01,471 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0, ULTIMATE.start_main_~i~0) = 2*ULTIMATE.start_main_~k~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2021-08-27 15:23:01,486 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-08-27 15:23:01,488 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-27 15:23:01,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:23:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:23:01,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:23:01,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:23:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:23:01,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 15:23:01,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:23:01,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:23:01,619 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 [2021-08-27 15:23:01,620 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2021-08-27 15:23:01,654 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 33 states and 41 transitions. Complement of second has 7 states. [2021-08-27 15:23:01,654 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 [2021-08-27 15:23:01,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2021-08-27 15:23:01,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2021-08-27 15:23:01,657 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 3 letters. Loop has 3 letters. [2021-08-27 15:23:01,657 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:23:01,657 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 6 letters. Loop has 3 letters. [2021-08-27 15:23:01,658 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:23:01,658 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 3 letters. Loop has 6 letters. [2021-08-27 15:23:01,658 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:23:01,658 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 41 transitions. [2021-08-27 15:23:01,660 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:23:01,661 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 0 states and 0 transitions. [2021-08-27 15:23:01,662 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 15:23:01,662 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 15:23:01,662 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 15:23:01,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:23:01,663 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:23:01,663 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:23:01,663 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:23:01,663 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-27 15:23:01,663 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-27 15:23:01,663 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:23:01,663 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-27 15:23:01,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 03:23:01 BoogieIcfgContainer [2021-08-27 15:23:01,667 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 15:23:01,685 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 15:23:01,685 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 15:23:01,685 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 15:23:01,685 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:23:00" (3/4) ... [2021-08-27 15:23:01,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-08-27 15:23:01,690 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 15:23:01,690 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 15:23:01,691 INFO L168 Benchmark]: Toolchain (without parser) took 1872.75 ms. Allocated memory was 48.2 MB in the beginning and 71.3 MB in the end (delta: 23.1 MB). Free memory was 23.5 MB in the beginning and 52.3 MB in the end (delta: -28.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:23:01,691 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 48.2 MB. Free memory was 30.0 MB in the beginning and 30.0 MB in the end (delta: 20.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:23:01,691 INFO L168 Benchmark]: CACSL2BoogieTranslator took 205.28 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 23.3 MB in the beginning and 41.4 MB in the end (delta: -18.1 MB). Peak memory consumption was 4.0 MB. Max. memory is 16.1 GB. [2021-08-27 15:23:01,692 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.07 ms. Allocated memory is still 58.7 MB. Free memory was 41.4 MB in the beginning and 40.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 15:23:01,692 INFO L168 Benchmark]: Boogie Preprocessor took 28.92 ms. Allocated memory is still 58.7 MB. Free memory was 40.0 MB in the beginning and 39.1 MB in the end (delta: 892.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:23:01,692 INFO L168 Benchmark]: RCFGBuilder took 263.49 ms. Allocated memory is still 58.7 MB. Free memory was 38.9 MB in the beginning and 39.3 MB in the end (delta: -398.1 kB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2021-08-27 15:23:01,693 INFO L168 Benchmark]: BuchiAutomizer took 1325.75 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 39.1 MB in the beginning and 31.8 MB in the end (delta: 7.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. [2021-08-27 15:23:01,693 INFO L168 Benchmark]: Witness Printer took 5.19 ms. Allocated memory is still 71.3 MB. Free memory was 52.4 MB in the beginning and 52.3 MB in the end (delta: 72.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:23:01,695 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 48.2 MB. Free memory was 30.0 MB in the beginning and 30.0 MB in the end (delta: 20.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 205.28 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 23.3 MB in the beginning and 41.4 MB in the end (delta: -18.1 MB). Peak memory consumption was 4.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 21.07 ms. Allocated memory is still 58.7 MB. Free memory was 41.4 MB in the beginning and 40.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.92 ms. Allocated memory is still 58.7 MB. Free memory was 40.0 MB in the beginning and 39.1 MB in the end (delta: 892.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 263.49 ms. Allocated memory is still 58.7 MB. Free memory was 38.9 MB in the beginning and 39.3 MB in the end (delta: -398.1 kB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1325.75 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 39.1 MB in the beginning and 31.8 MB in the end (delta: 7.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. * Witness Printer took 5.19 ms. Allocated memory is still 71.3 MB. Free memory was 52.4 MB in the beginning and 52.3 MB in the end (delta: 72.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * k + -1 * i and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 11 SDtfs, 17 SDslu, 10 SDs, 0 SdLazy, 13 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.6ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax100 hnf100 lsp77 ukn100 mio100 lsp100 div317 bol100 ite100 ukn100 eq148 hnf50 smp92 dnf100 smp100 tf105 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 50ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-08-27 15:23:01,727 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...