./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2390de-a5d3-4902-a359-753ecf5d8974/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2390de-a5d3-4902-a359-753ecf5d8974/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2390de-a5d3-4902-a359-753ecf5d8974/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2390de-a5d3-4902-a359-753ecf5d8974/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/phases_2-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2390de-a5d3-4902-a359-753ecf5d8974/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2390de-a5d3-4902-a359-753ecf5d8974/bin/uautomizer-UnR33cPsHg --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 c973e7f310a848892a18e3f534717b85b3f4d9e6c87fd06bd7bcf01c28300fa4 ..................................................................................................................................................................................................................................................................................................... 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-b2eff8b [2021-10-28 09:24:27,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:24:27,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:24:27,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:24:27,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:24:27,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:24:27,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:24:27,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:24:27,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:24:27,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:24:27,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:24:27,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:24:27,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:24:27,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:24:27,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:24:27,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:24:27,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:24:27,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:24:27,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:24:27,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:24:27,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:24:27,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:24:27,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:24:27,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:24:27,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:24:27,094 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:24:27,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:24:27,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:24:27,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:24:27,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:24:27,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:24:27,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:24:27,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:24:27,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:24:27,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:24:27,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:24:27,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:24:27,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:24:27,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:24:27,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:24:27,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:24:27,111 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2390de-a5d3-4902-a359-753ecf5d8974/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:24:27,139 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:24:27,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:24:27,140 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:24:27,140 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:24:27,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:24:27,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:24:27,141 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:24:27,142 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:24:27,142 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:24:27,142 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:24:27,142 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:24:27,143 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:24:27,143 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:24:27,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:24:27,143 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:24:27,144 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:24:27,144 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:24:27,144 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:24:27,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:24:27,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:24:27,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:24:27,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:24:27,145 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:24:27,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:24:27,145 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:24:27,146 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:24:27,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:24:27,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:24:27,146 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:24:27,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:24:27,147 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:24:27,147 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:24:27,148 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:24:27,148 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_ec2390de-a5d3-4902-a359-753ecf5d8974/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2390de-a5d3-4902-a359-753ecf5d8974/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c973e7f310a848892a18e3f534717b85b3f4d9e6c87fd06bd7bcf01c28300fa4 [2021-10-28 09:24:27,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:24:27,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:24:27,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:24:27,426 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:24:27,427 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:24:27,428 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2390de-a5d3-4902-a359-753ecf5d8974/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/loop-acceleration/phases_2-2.c [2021-10-28 09:24:27,530 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2390de-a5d3-4902-a359-753ecf5d8974/bin/uautomizer-UnR33cPsHg/data/1414051c7/db5376e6f5f54007bd1dc090e21f9131/FLAG82bc4a85a [2021-10-28 09:24:28,086 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:24:28,087 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2390de-a5d3-4902-a359-753ecf5d8974/sv-benchmarks/c/loop-acceleration/phases_2-2.c [2021-10-28 09:24:28,092 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2390de-a5d3-4902-a359-753ecf5d8974/bin/uautomizer-UnR33cPsHg/data/1414051c7/db5376e6f5f54007bd1dc090e21f9131/FLAG82bc4a85a [2021-10-28 09:24:28,491 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2390de-a5d3-4902-a359-753ecf5d8974/bin/uautomizer-UnR33cPsHg/data/1414051c7/db5376e6f5f54007bd1dc090e21f9131 [2021-10-28 09:24:28,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:24:28,498 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:24:28,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:24:28,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:24:28,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:24:28,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:24:28" (1/1) ... [2021-10-28 09:24:28,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c6fb21f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:24:28, skipping insertion in model container [2021-10-28 09:24:28,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:24:28" (1/1) ... [2021-10-28 09:24:28,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:24:28,535 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:24:28,706 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_ec2390de-a5d3-4902-a359-753ecf5d8974/sv-benchmarks/c/loop-acceleration/phases_2-2.c[459,472] [2021-10-28 09:24:28,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:24:28,724 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:24:28,736 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_ec2390de-a5d3-4902-a359-753ecf5d8974/sv-benchmarks/c/loop-acceleration/phases_2-2.c[459,472] [2021-10-28 09:24:28,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:24:28,753 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:24:28,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:24:28 WrapperNode [2021-10-28 09:24:28,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:24:28,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:24:28,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:24:28,756 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:24:28,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:24:28" (1/1) ... [2021-10-28 09:24:28,768 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:24:28" (1/1) ... [2021-10-28 09:24:28,787 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:24:28,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:24:28,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:24:28,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:24:28,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:24:28" (1/1) ... [2021-10-28 09:24:28,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:24:28" (1/1) ... [2021-10-28 09:24:28,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:24:28" (1/1) ... [2021-10-28 09:24:28,799 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:24:28" (1/1) ... [2021-10-28 09:24:28,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:24:28" (1/1) ... [2021-10-28 09:24:28,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:24:28" (1/1) ... [2021-10-28 09:24:28,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:24:28" (1/1) ... [2021-10-28 09:24:28,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:24:28,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:24:28,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:24:28,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:24:28,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:24:28" (1/1) ... [2021-10-28 09:24:28,822 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:24:28,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2390de-a5d3-4902-a359-753ecf5d8974/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:24:28,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2390de-a5d3-4902-a359-753ecf5d8974/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:24:28,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2390de-a5d3-4902-a359-753ecf5d8974/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:24:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:24:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:24:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:24:28,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:24:29,074 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:24:29,074 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 09:24:29,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:24:29 BoogieIcfgContainer [2021-10-28 09:24:29,077 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:24:29,078 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:24:29,078 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:24:29,082 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:24:29,083 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:24:29,083 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:24:28" (1/3) ... [2021-10-28 09:24:29,084 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a3134f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:24:29, skipping insertion in model container [2021-10-28 09:24:29,085 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:24:29,085 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:24:28" (2/3) ... [2021-10-28 09:24:29,085 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a3134f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:24:29, skipping insertion in model container [2021-10-28 09:24:29,085 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:24:29,086 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:24:29" (3/3) ... [2021-10-28 09:24:29,087 INFO L389 chiAutomizerObserver]: Analyzing ICFG phases_2-2.c [2021-10-28 09:24:29,133 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:24:29,133 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:24:29,134 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:24:29,134 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:24:29,134 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:24:29,134 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:24:29,134 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:24:29,134 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:24:29,148 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) [2021-10-28 09:24:29,165 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 09:24:29,165 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:24:29,166 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:24:29,171 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 09:24:29,171 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:24:29,171 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:24:29,171 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) [2021-10-28 09:24:29,172 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 09:24:29,173 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:24:29,173 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:24:29,173 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 09:24:29,173 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:24:29,180 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 [2021-10-28 09:24:29,180 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 [2021-10-28 09:24:29,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:24:29,187 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-10-28 09:24:29,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:24:29,197 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137233147] [2021-10-28 09:24:29,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:24:29,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:24:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:24:29,286 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:24:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:24:29,324 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:24:29,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:24:29,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1476, now seen corresponding path program 1 times [2021-10-28 09:24:29,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:24:29,328 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389846188] [2021-10-28 09:24:29,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:24:29,329 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:24:29,336 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 09:24:29,337 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [173274703] [2021-10-28 09:24:29,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:24:29,337 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:24:29,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2390de-a5d3-4902-a359-753ecf5d8974/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:24:29,353 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2390de-a5d3-4902-a359-753ecf5d8974/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:24:29,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2390de-a5d3-4902-a359-753ecf5d8974/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 09:24:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:24:29,427 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:24:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:24:29,440 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:24:29,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:24:29,442 INFO L85 PathProgramCache]: Analyzing trace with hash 28695975, now seen corresponding path program 1 times [2021-10-28 09:24:29,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:24:29,442 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724124323] [2021-10-28 09:24:29,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:24:29,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:24:29,473 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 09:24:29,473 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1403849780] [2021-10-28 09:24:29,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:24:29,474 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:24:29,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2390de-a5d3-4902-a359-753ecf5d8974/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:24:29,493 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2390de-a5d3-4902-a359-753ecf5d8974/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:24:29,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2390de-a5d3-4902-a359-753ecf5d8974/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 09:24:29,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:24:29,587 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:24:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:24:29,623 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:24:30,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:24:30 BoogieIcfgContainer [2021-10-28 09:24:30,226 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:24:30,228 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:24:30,228 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:24:30,228 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:24:30,229 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:24:29" (3/4) ... [2021-10-28 09:24:30,232 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 09:24:30,275 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2390de-a5d3-4902-a359-753ecf5d8974/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:24:30,275 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:24:30,278 INFO L168 Benchmark]: Toolchain (without parser) took 1778.97 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 53.5 MB in the beginning and 67.3 MB in the end (delta: -13.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:24:30,279 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 86.0 MB. Free memory is still 41.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:24:30,280 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.54 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 53.3 MB in the beginning and 80.9 MB in the end (delta: -27.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:24:30,283 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.21 ms. Allocated memory is still 104.9 MB. Free memory was 80.9 MB in the beginning and 79.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:24:30,284 INFO L168 Benchmark]: Boogie Preprocessor took 22.26 ms. Allocated memory is still 104.9 MB. Free memory was 79.6 MB in the beginning and 78.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:24:30,288 INFO L168 Benchmark]: RCFGBuilder took 265.88 ms. Allocated memory is still 104.9 MB. Free memory was 78.4 MB in the beginning and 69.6 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:24:30,289 INFO L168 Benchmark]: BuchiAutomizer took 1148.58 ms. Allocated memory is still 104.9 MB. Free memory was 69.2 MB in the beginning and 68.8 MB in the end (delta: 389.3 kB). Peak memory consumption was 27.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:24:30,289 INFO L168 Benchmark]: Witness Printer took 48.59 ms. Allocated memory is still 104.9 MB. Free memory was 68.8 MB in the beginning and 67.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:24:30,292 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 86.0 MB. Free memory is still 41.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 250.54 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 53.3 MB in the beginning and 80.9 MB in the end (delta: -27.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.21 ms. Allocated memory is still 104.9 MB. Free memory was 80.9 MB in the beginning and 79.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.26 ms. Allocated memory is still 104.9 MB. Free memory was 79.6 MB in the beginning and 78.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 265.88 ms. Allocated memory is still 104.9 MB. Free memory was 78.4 MB in the beginning and 69.6 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1148.58 ms. Allocated memory is still 104.9 MB. Free memory was 69.2 MB in the beginning and 68.8 MB in the end (delta: 389.3 kB). Peak memory consumption was 27.7 MB. Max. memory is 16.1 GB. * Witness Printer took 48.59 ms. Allocated memory is still 104.9 MB. Free memory was 68.8 MB in the beginning and 67.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. 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 1.0s 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@4c42e6b8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@60b9164b=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! [2021-10-28 09:24:30,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2390de-a5d3-4902-a359-753ecf5d8974/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-10-28 09:24:30,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2390de-a5d3-4902-a359-753ecf5d8974/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:24:30,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec2390de-a5d3-4902-a359-753ecf5d8974/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...