./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/test_while_int.i --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_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/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_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/test_while_int.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/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_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/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 f3aef2cb0383bc51116609eb7d5762e5307f0f48dd90c41df34c9f2444e8da09 .............................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:37:39,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:37:39,030 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:37:39,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:37:39,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:37:39,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:37:39,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:37:39,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:37:39,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:37:39,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:37:39,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:37:39,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:37:39,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:37:39,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:37:39,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:37:39,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:37:39,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:37:39,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:37:39,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:37:39,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:37:39,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:37:39,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:37:39,101 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:37:39,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:37:39,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:37:39,118 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:37:39,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:37:39,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:37:39,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:37:39,123 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:37:39,124 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:37:39,125 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:37:39,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:37:39,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:37:39,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:37:39,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:37:39,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:37:39,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:37:39,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:37:39,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:37:39,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:37:39,135 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:37:39,174 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:37:39,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:37:39,175 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:37:39,175 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:37:39,179 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:37:39,179 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:37:39,180 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:37:39,180 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:37:39,180 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:37:39,180 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:37:39,182 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:37:39,182 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:37:39,182 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:37:39,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:37:39,183 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:37:39,183 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:37:39,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:37:39,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:37:39,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:37:39,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:37:39,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:37:39,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:37:39,185 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:37:39,185 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:37:39,186 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:37:39,186 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:37:39,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:37:39,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:37:39,188 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:37:39,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:37:39,189 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:37:39,189 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:37:39,191 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:37:39,191 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_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3aef2cb0383bc51116609eb7d5762e5307f0f48dd90c41df34c9f2444e8da09 [2021-10-28 09:37:39,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:37:39,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:37:39,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:37:39,543 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:37:39,548 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:37:39,549 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/ldv-regression/test_while_int.i [2021-10-28 09:37:39,632 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/data/873e76ea9/65e401fa0ff64728bd029818f925845c/FLAGdda78f679 [2021-10-28 09:37:40,236 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:37:40,236 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/sv-benchmarks/c/ldv-regression/test_while_int.i [2021-10-28 09:37:40,243 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/data/873e76ea9/65e401fa0ff64728bd029818f925845c/FLAGdda78f679 [2021-10-28 09:37:40,625 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/data/873e76ea9/65e401fa0ff64728bd029818f925845c [2021-10-28 09:37:40,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:37:40,630 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:37:40,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:37:40,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:37:40,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:37:40,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:37:40" (1/1) ... [2021-10-28 09:37:40,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f86a37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:40, skipping insertion in model container [2021-10-28 09:37:40,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:37:40" (1/1) ... [2021-10-28 09:37:40,652 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:37:40,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:37:40,842 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_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/sv-benchmarks/c/ldv-regression/test_while_int.i[296,309] [2021-10-28 09:37:40,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:37:40,863 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:37:40,876 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_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/sv-benchmarks/c/ldv-regression/test_while_int.i[296,309] [2021-10-28 09:37:40,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:37:40,893 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:37:40,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:40 WrapperNode [2021-10-28 09:37:40,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:37:40,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:37:40,895 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:37:40,895 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:37:40,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:40" (1/1) ... [2021-10-28 09:37:40,911 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:40" (1/1) ... [2021-10-28 09:37:40,930 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:37:40,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:37:40,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:37:40,931 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:37:40,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:40" (1/1) ... [2021-10-28 09:37:40,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:40" (1/1) ... [2021-10-28 09:37:40,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:40" (1/1) ... [2021-10-28 09:37:40,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:40" (1/1) ... [2021-10-28 09:37:40,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:40" (1/1) ... [2021-10-28 09:37:40,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:40" (1/1) ... [2021-10-28 09:37:40,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:40" (1/1) ... [2021-10-28 09:37:40,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:37:40,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:37:40,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:37:40,953 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:37:40,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:40" (1/1) ... [2021-10-28 09:37:40,963 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:37:40,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:37:40,988 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:37:40,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:37:41,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:37:41,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:37:41,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:37:41,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:37:41,303 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:37:41,304 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-28 09:37:41,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:37:41 BoogieIcfgContainer [2021-10-28 09:37:41,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:37:41,308 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:37:41,310 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:37:41,314 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:37:41,327 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:37:41,327 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:37:40" (1/3) ... [2021-10-28 09:37:41,329 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@370641dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:37:41, skipping insertion in model container [2021-10-28 09:37:41,329 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:37:41,329 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:40" (2/3) ... [2021-10-28 09:37:41,330 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@370641dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:37:41, skipping insertion in model container [2021-10-28 09:37:41,330 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:37:41,330 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:37:41" (3/3) ... [2021-10-28 09:37:41,332 INFO L389 chiAutomizerObserver]: Analyzing ICFG test_while_int.i [2021-10-28 09:37:41,398 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:37:41,398 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:37:41,398 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:37:41,399 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:37:41,399 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:37:41,399 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:37:41,399 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:37:41,400 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:37:41,423 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:37:41,448 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 09:37:41,449 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:37:41,449 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:37:41,455 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 09:37:41,456 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:37:41,456 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:37:41,456 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:37:41,458 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 09:37:41,458 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:37:41,458 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:37:41,459 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 09:37:41,459 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:37:41,466 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(17);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 8#L-1true havoc main_#res;havoc main_#t~post7, main_~i~0;main_~i~0 := 0; 6#L6true [2021-10-28 09:37:41,467 INFO L793 eck$LassoCheckResult]: Loop: 6#L6true assume !!(main_~i~0 < 5);main_#t~post7 := main_~i~0;main_~i~0 := 1 + main_#t~post7;havoc main_#t~post7;check_error_#in~b := (if 3 != main_~i~0 then 1 else 0);havoc check_error_~b;check_error_~b := check_error_#in~b; 9#L20true assume 0 != check_error_~b; 6#L6true [2021-10-28 09:37:41,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:37:41,473 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-28 09:37:41,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:37:41,484 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158640339] [2021-10-28 09:37:41,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:37:41,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:37:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:37:41,602 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:37:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:37:41,661 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:37:41,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:37:41,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1316, now seen corresponding path program 1 times [2021-10-28 09:37:41,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:37:41,676 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367413078] [2021-10-28 09:37:41,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:37:41,676 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:37:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:37:41,701 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:37:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:37:41,721 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:37:41,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:37:41,730 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2021-10-28 09:37:41,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:37:41,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427946131] [2021-10-28 09:37:41,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:37:41,733 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:37:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:37:41,754 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:37:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:37:41,797 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:37:41,930 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:37:41,931 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:37:41,931 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:37:41,931 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:37:41,931 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:37:41,932 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:37:41,932 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:37:41,949 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:37:41,949 INFO L133 ssoRankerPreferences]: Filename of dumped script: test_while_int.i_Iteration1_Loop [2021-10-28 09:37:41,950 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:37:41,950 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:37:41,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:37:41,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:37:41,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:37:42,104 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:37:42,105 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:37:42,108 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:37:42,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:37:42,114 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:37:42,124 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:37:42,124 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:37:42,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:37:42,151 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:37:42,151 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post7=0} Honda state: {ULTIMATE.start_main_#t~post7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:37:42,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:37:42,195 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:37:42,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:37:42,197 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:37:42,207 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:37:42,207 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:37:42,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:37:42,235 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:37:42,235 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_check_error_#in~b=1, ULTIMATE.start_check_error_~b=1} Honda state: {ULTIMATE.start_check_error_#in~b=1, ULTIMATE.start_check_error_~b=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:37:42,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:37:42,274 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:37:42,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:37:42,278 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:37:42,286 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:37:42,287 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:37:42,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:37:42,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:37:42,354 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:37:42,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:37:42,358 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:37:42,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:37:42,364 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:37:42,366 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:37:42,522 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:37:42,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:37:42,531 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:37:42,531 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:37:42,532 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:37:42,532 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:37:42,532 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:37:42,532 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:37:42,532 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:37:42,532 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:37:42,533 INFO L133 ssoRankerPreferences]: Filename of dumped script: test_while_int.i_Iteration1_Loop [2021-10-28 09:37:42,533 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:37:42,533 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:37:42,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:37:42,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:37:42,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:37:42,667 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:37:42,672 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:37:42,673 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:37:42,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:37:42,678 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:37:42,686 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 [2021-10-28 09:37:42,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:37:42,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:37:42,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:37:42,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:37:42,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:37:42,703 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:37:42,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:37:42,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:37:42,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:37:42,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:37:42,769 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:37:42,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:37:42,771 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:37:42,778 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 [2021-10-28 09:37:42,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:37:42,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:37:42,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:37:42,791 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:37:42,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:37:42,795 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:37:42,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:37:42,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:37:42,806 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:37:42,810 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 09:37:42,811 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 09:37:42,812 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:37:42,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:37:42,816 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:37:42,822 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:37:42,822 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:37:42,823 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:37:42,823 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 9 Supporting invariants [] [2021-10-28 09:37:42,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:37:42,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:37:42,870 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 09:37:42,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:37:42,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:37:42,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:37:42,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:37:42,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:37:42,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:37:42,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:37:43,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:37:43,048 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 [2021-10-28 09:37:43,051 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 09:37:43,103 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 24 states and 31 transitions. Complement of second has 5 states. [2021-10-28 09:37:43,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 09:37:43,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 09:37:43,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2021-10-28 09:37:43,109 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 2 letters. Loop has 2 letters. [2021-10-28 09:37:43,111 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:37:43,111 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-28 09:37:43,111 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:37:43,112 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 2 letters. Loop has 4 letters. [2021-10-28 09:37:43,112 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:37:43,114 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2021-10-28 09:37:43,121 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:37:43,125 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2021-10-28 09:37:43,126 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 09:37:43,126 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 09:37:43,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 09:37:43,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:37:43,128 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:37:43,128 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:37:43,128 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:37:43,128 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:37:43,129 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:37:43,129 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:37:43,129 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 09:37:43,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:37:43 BoogieIcfgContainer [2021-10-28 09:37:43,138 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:37:43,138 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:37:43,138 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:37:43,139 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:37:43,139 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:37:41" (3/4) ... [2021-10-28 09:37:43,143 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:37:43,143 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:37:43,146 INFO L168 Benchmark]: Toolchain (without parser) took 2513.60 ms. Allocated memory was 92.3 MB in the beginning and 125.8 MB in the end (delta: 33.6 MB). Free memory was 57.9 MB in the beginning and 77.6 MB in the end (delta: -19.7 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:37:43,148 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 92.3 MB. Free memory was 63.1 MB in the beginning and 63.1 MB in the end (delta: 27.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:37:43,150 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.62 ms. Allocated memory is still 92.3 MB. Free memory was 57.7 MB in the beginning and 68.6 MB in the end (delta: -10.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:37:43,150 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.26 ms. Allocated memory is still 92.3 MB. Free memory was 68.6 MB in the beginning and 67.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:37:43,152 INFO L168 Benchmark]: Boogie Preprocessor took 21.21 ms. Allocated memory is still 92.3 MB. Free memory was 67.2 MB in the beginning and 66.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:37:43,159 INFO L168 Benchmark]: RCFGBuilder took 353.75 ms. Allocated memory is still 92.3 MB. Free memory was 66.2 MB in the beginning and 57.5 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:37:43,160 INFO L168 Benchmark]: BuchiAutomizer took 1830.26 ms. Allocated memory was 92.3 MB in the beginning and 125.8 MB in the end (delta: 33.6 MB). Free memory was 57.5 MB in the beginning and 77.9 MB in the end (delta: -20.3 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:37:43,161 INFO L168 Benchmark]: Witness Printer took 5.06 ms. Allocated memory is still 125.8 MB. Free memory was 77.9 MB in the beginning and 77.6 MB in the end (delta: 254.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:37:43,173 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 92.3 MB. Free memory was 63.1 MB in the beginning and 63.1 MB in the end (delta: 27.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 261.62 ms. Allocated memory is still 92.3 MB. Free memory was 57.7 MB in the beginning and 68.6 MB in the end (delta: -10.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.26 ms. Allocated memory is still 92.3 MB. Free memory was 68.6 MB in the beginning and 67.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.21 ms. Allocated memory is still 92.3 MB. Free memory was 67.2 MB in the beginning and 66.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 353.75 ms. Allocated memory is still 92.3 MB. Free memory was 66.2 MB in the beginning and 57.5 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1830.26 ms. Allocated memory was 92.3 MB in the beginning and 125.8 MB in the end (delta: 33.6 MB). Free memory was 57.5 MB in the beginning and 77.9 MB in the end (delta: -20.3 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. * Witness Printer took 5.06 ms. Allocated memory is still 125.8 MB. Free memory was 77.9 MB in the beginning and 77.6 MB in the end (delta: 254.1 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 * i + 9 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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: 7 SDtfs, 7 SDslu, 5 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp69 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq171 hnf95 smp100 dnf165 smp92 tf105 neg94 sie117 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 53ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 09:37:43,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:37:43,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa900b46-b0ba-4e1a-9e6a-aba59b79a392/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...