./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/phases_2-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a08c4d3-4f32-4032-89c8-6f442134e95b/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a08c4d3-4f32-4032-89c8-6f442134e95b/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a08c4d3-4f32-4032-89c8-6f442134e95b/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a08c4d3-4f32-4032-89c8-6f442134e95b/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/phases_2-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a08c4d3-4f32-4032-89c8-6f442134e95b/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a08c4d3-4f32-4032-89c8-6f442134e95b/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 85d8c0857ba90e2936a809e6bce9dcb97e8e7e59 ..................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-12 23:59:01,201 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-12 23:59:01,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-12 23:59:01,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-12 23:59:01,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-12 23:59:01,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-12 23:59:01,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-12 23:59:01,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-12 23:59:01,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-12 23:59:01,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-12 23:59:01,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-12 23:59:01,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-12 23:59:01,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-12 23:59:01,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-12 23:59:01,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-12 23:59:01,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-12 23:59:01,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-12 23:59:01,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-12 23:59:01,261 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-12 23:59:01,264 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-12 23:59:01,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-12 23:59:01,269 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-12 23:59:01,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-12 23:59:01,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-12 23:59:01,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-12 23:59:01,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-12 23:59:01,289 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-12 23:59:01,290 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-12 23:59:01,291 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-12 23:59:01,292 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-12 23:59:01,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-12 23:59:01,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-12 23:59:01,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-12 23:59:01,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-12 23:59:01,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-12 23:59:01,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-12 23:59:01,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-12 23:59:01,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-12 23:59:01,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-12 23:59:01,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-12 23:59:01,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-12 23:59:01,306 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a08c4d3-4f32-4032-89c8-6f442134e95b/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-12 23:59:01,347 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-12 23:59:01,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-12 23:59:01,348 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-12 23:59:01,348 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-12 23:59:01,349 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-12 23:59:01,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-12 23:59:01,350 INFO L138 SettingsManager]: * Use SBE=true [2021-10-12 23:59:01,350 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-12 23:59:01,350 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-12 23:59:01,350 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-12 23:59:01,351 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-12 23:59:01,351 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-12 23:59:01,351 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-12 23:59:01,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-12 23:59:01,352 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-12 23:59:01,352 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-12 23:59:01,352 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-12 23:59:01,352 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-12 23:59:01,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-12 23:59:01,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-12 23:59:01,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-12 23:59:01,353 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-12 23:59:01,353 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-12 23:59:01,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-12 23:59:01,354 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-12 23:59:01,354 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-12 23:59:01,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-12 23:59:01,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-12 23:59:01,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-12 23:59:01,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-12 23:59:01,355 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-12 23:59:01,356 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-12 23:59:01,357 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-12 23:59:01,357 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_1a08c4d3-4f32-4032-89c8-6f442134e95b/bin/uautomizer-WNIpwEf4Nt/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a08c4d3-4f32-4032-89c8-6f442134e95b/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85d8c0857ba90e2936a809e6bce9dcb97e8e7e59 [2021-10-12 23:59:01,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-12 23:59:01,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-12 23:59:01,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-12 23:59:01,642 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-12 23:59:01,643 INFO L275 PluginConnector]: CDTParser initialized [2021-10-12 23:59:01,644 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a08c4d3-4f32-4032-89c8-6f442134e95b/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/loop-acceleration/phases_2-2.c [2021-10-12 23:59:01,725 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a08c4d3-4f32-4032-89c8-6f442134e95b/bin/uautomizer-WNIpwEf4Nt/data/a93515acb/b4276f470dc046efbe50f681c199f5fe/FLAGf084b8460 [2021-10-12 23:59:02,189 INFO L306 CDTParser]: Found 1 translation units. [2021-10-12 23:59:02,192 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a08c4d3-4f32-4032-89c8-6f442134e95b/sv-benchmarks/c/loop-acceleration/phases_2-2.c [2021-10-12 23:59:02,204 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a08c4d3-4f32-4032-89c8-6f442134e95b/bin/uautomizer-WNIpwEf4Nt/data/a93515acb/b4276f470dc046efbe50f681c199f5fe/FLAGf084b8460 [2021-10-12 23:59:02,580 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a08c4d3-4f32-4032-89c8-6f442134e95b/bin/uautomizer-WNIpwEf4Nt/data/a93515acb/b4276f470dc046efbe50f681c199f5fe [2021-10-12 23:59:02,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-12 23:59:02,585 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-12 23:59:02,586 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-12 23:59:02,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-12 23:59:02,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-12 23:59:02,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:59:02" (1/1) ... [2021-10-12 23:59:02,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b4c97d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:02, skipping insertion in model container [2021-10-12 23:59:02,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:59:02" (1/1) ... [2021-10-12 23:59:02,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-12 23:59:02,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-12 23:59:02,795 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a08c4d3-4f32-4032-89c8-6f442134e95b/sv-benchmarks/c/loop-acceleration/phases_2-2.c[459,472] [2021-10-12 23:59:02,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-12 23:59:02,822 INFO L203 MainTranslator]: Completed pre-run [2021-10-12 23:59:02,836 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a08c4d3-4f32-4032-89c8-6f442134e95b/sv-benchmarks/c/loop-acceleration/phases_2-2.c[459,472] [2021-10-12 23:59:02,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-12 23:59:02,868 INFO L208 MainTranslator]: Completed translation [2021-10-12 23:59:02,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:02 WrapperNode [2021-10-12 23:59:02,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-12 23:59:02,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-12 23:59:02,870 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-12 23:59:02,870 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-12 23:59:02,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:02" (1/1) ... [2021-10-12 23:59:02,882 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:02" (1/1) ... [2021-10-12 23:59:02,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-12 23:59:02,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-12 23:59:02,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-12 23:59:02,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-12 23:59:02,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:02" (1/1) ... [2021-10-12 23:59:02,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:02" (1/1) ... [2021-10-12 23:59:02,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:02" (1/1) ... [2021-10-12 23:59:02,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:02" (1/1) ... [2021-10-12 23:59:02,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:02" (1/1) ... [2021-10-12 23:59:02,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:02" (1/1) ... [2021-10-12 23:59:02,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:02" (1/1) ... [2021-10-12 23:59:02,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-12 23:59:02,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-12 23:59:02,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-12 23:59:02,918 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-12 23:59:02,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:02" (1/1) ... [2021-10-12 23:59:02,928 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:02,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a08c4d3-4f32-4032-89c8-6f442134e95b/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:02,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a08c4d3-4f32-4032-89c8-6f442134e95b/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:02,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a08c4d3-4f32-4032-89c8-6f442134e95b/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-12 23:59:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-12 23:59:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-12 23:59:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-12 23:59:03,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-12 23:59:03,196 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-12 23:59:03,196 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-12 23:59:03,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:03 BoogieIcfgContainer [2021-10-12 23:59:03,198 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-12 23:59:03,199 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-12 23:59:03,199 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-12 23:59:03,203 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-12 23:59:03,204 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-12 23:59:03,204 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.10 11:59:02" (1/3) ... [2021-10-12 23:59:03,205 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6ecfe50a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 11:59:03, skipping insertion in model container [2021-10-12 23:59:03,205 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-12 23:59:03,206 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:02" (2/3) ... [2021-10-12 23:59:03,206 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6ecfe50a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 11:59:03, skipping insertion in model container [2021-10-12 23:59:03,206 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-12 23:59:03,206 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:03" (3/3) ... [2021-10-12 23:59:03,208 INFO L389 chiAutomizerObserver]: Analyzing ICFG phases_2-2.c [2021-10-12 23:59:03,252 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-12 23:59:03,253 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-12 23:59:03,253 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-12 23:59:03,253 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-12 23:59:03,253 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-12 23:59:03,253 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-12 23:59:03,253 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-12 23:59:03,253 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-12 23:59:03,268 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 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) [2021-10-12 23:59:03,286 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-12 23:59:03,286 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-12 23:59:03,286 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-12 23:59:03,291 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-12 23:59:03,291 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-12 23:59:03,291 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-12 23:59:03,292 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 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) [2021-10-12 23:59:03,293 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-12 23:59:03,293 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-12 23:59:03,293 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-12 23:59:03,294 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-12 23:59:03,294 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-12 23:59:03,301 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 8#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~post8, main_~x~0, main_~y~0;main_~x~0 := 1;main_~y~0 := main_#t~nondet7;havoc main_#t~nondet7; 7#L21true assume !!(main_~y~0 % 4294967296 > 0); 5#L24-2true [2021-10-12 23:59:03,302 INFO L793 eck$LassoCheckResult]: Loop: 5#L24-2true assume !!(main_~x~0 % 4294967296 < main_~y~0 % 4294967296); 10#L24true assume main_~x~0 % 4294967296 < (if main_~y~0 % 4294967296 < 0 && 0 != main_~y~0 % 4294967296 % (main_~x~0 % 4294967296) then (if main_~x~0 % 4294967296 < 0 then main_~y~0 % 4294967296 / (main_~x~0 % 4294967296) - 1 else 1 + main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) else main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) % 4294967296;main_~x~0 := main_~x~0 * main_~x~0; 5#L24-2true [2021-10-12 23:59:03,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:03,308 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-10-12 23:59:03,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:03,318 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480656972] [2021-10-12 23:59:03,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:03,319 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:03,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:03,413 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:03,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:03,452 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:03,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:03,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1476, now seen corresponding path program 1 times [2021-10-12 23:59:03,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:03,456 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209719703] [2021-10-12 23:59:03,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:03,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:03,464 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-12 23:59:03,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2142763602] [2021-10-12 23:59:03,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:03,465 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-12 23:59:03,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a08c4d3-4f32-4032-89c8-6f442134e95b/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:03,467 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a08c4d3-4f32-4032-89c8-6f442134e95b/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-12 23:59:03,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a08c4d3-4f32-4032-89c8-6f442134e95b/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-12 23:59:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:03,543 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:03,557 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:03,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:03,572 INFO L82 PathProgramCache]: Analyzing trace with hash 28695975, now seen corresponding path program 1 times [2021-10-12 23:59:03,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:03,573 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386707389] [2021-10-12 23:59:03,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:03,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:03,595 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-12 23:59:03,595 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [198647088] [2021-10-12 23:59:03,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:03,601 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-12 23:59:03,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a08c4d3-4f32-4032-89c8-6f442134e95b/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:03,604 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a08c4d3-4f32-4032-89c8-6f442134e95b/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-12 23:59:03,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a08c4d3-4f32-4032-89c8-6f442134e95b/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-12 23:59:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:03,680 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:03,704 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:04,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 11:59:04 BoogieIcfgContainer [2021-10-12 23:59:04,382 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-12 23:59:04,384 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-12 23:59:04,384 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-12 23:59:04,384 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-12 23:59:04,385 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:03" (3/4) ... [2021-10-12 23:59:04,389 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-12 23:59:04,439 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a08c4d3-4f32-4032-89c8-6f442134e95b/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-12 23:59:04,440 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-12 23:59:04,442 INFO L168 Benchmark]: Toolchain (without parser) took 1855.64 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 52.3 MB in the beginning and 68.4 MB in the end (delta: -16.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:04,443 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 88.1 MB. Free memory is still 68.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-12 23:59:04,445 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.63 ms. Allocated memory is still 88.1 MB. Free memory was 52.1 MB in the beginning and 65.3 MB in the end (delta: -13.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:04,447 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.88 ms. Allocated memory is still 88.1 MB. Free memory was 65.3 MB in the beginning and 63.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:04,450 INFO L168 Benchmark]: Boogie Preprocessor took 18.12 ms. Allocated memory is still 88.1 MB. Free memory was 63.9 MB in the beginning and 62.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-12 23:59:04,451 INFO L168 Benchmark]: RCFGBuilder took 280.33 ms. Allocated memory is still 88.1 MB. Free memory was 62.6 MB in the beginning and 53.8 MB in the end (delta: 8.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:04,454 INFO L168 Benchmark]: BuchiAutomizer took 1183.33 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 53.5 MB in the beginning and 70.0 MB in the end (delta: -16.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:04,456 INFO L168 Benchmark]: Witness Printer took 56.09 ms. Allocated memory is still 109.1 MB. Free memory was 70.0 MB in the beginning and 68.4 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-12 23:59:04,459 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 88.1 MB. Free memory is still 68.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 282.63 ms. Allocated memory is still 88.1 MB. Free memory was 52.1 MB in the beginning and 65.3 MB in the end (delta: -13.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 28.88 ms. Allocated memory is still 88.1 MB. Free memory was 65.3 MB in the beginning and 63.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.12 ms. Allocated memory is still 88.1 MB. Free memory was 63.9 MB in the beginning and 62.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 280.33 ms. Allocated memory is still 88.1 MB. Free memory was 62.6 MB in the beginning and 53.8 MB in the end (delta: 8.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1183.33 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 53.5 MB in the beginning and 70.0 MB in the end (delta: -16.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Witness Printer took 56.09 ms. Allocated memory is still 109.1 MB. Free memory was 70.0 MB in the beginning and 68.4 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 23]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=4, NULL=0, \result=0, NULL=3, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c80a7bd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@307b096b=0, NULL=0, x=1, y=2, NULL=2} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 23]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L18] unsigned int x = 1; [L19] unsigned int y = __VERIFIER_nondet_uint(); [L21] COND FALSE !(!(y > 0)) Loop: [L23] COND TRUE x < y [L24] COND TRUE x < y / x [L25] x *= x End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-12 23:59:04,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a08c4d3-4f32-4032-89c8-6f442134e95b/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:04,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a08c4d3-4f32-4032-89c8-6f442134e95b/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:04,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a08c4d3-4f32-4032-89c8-6f442134e95b/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...