./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/aviad_true-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/aviad_true-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8 --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 64bit --witnessprinter.graph.data.programhash da65a08be7a694e995d17e45362055fa5f60ddf40e08c5ba36204464b294ccf0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 12:10:40,857 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:10:40,859 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:10:40,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:10:40,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:10:40,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:10:40,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:10:40,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:10:40,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:10:40,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:10:40,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:10:40,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:10:40,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:10:40,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:10:40,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:10:40,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:10:40,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:10:40,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:10:40,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:10:40,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:10:40,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:10:40,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:10:40,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:10:40,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:10:40,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:10:40,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:10:40,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:10:40,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:10:40,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:10:40,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:10:40,892 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:10:40,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:10:40,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:10:40,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:10:40,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:10:40,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:10:40,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:10:40,895 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:10:40,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:10:40,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:10:40,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:10:40,897 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-12-13 12:10:40,920 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:10:40,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:10:40,920 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:10:40,920 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:10:40,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:10:40,922 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:10:40,922 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:10:40,922 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 12:10:40,922 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 12:10:40,922 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 12:10:40,923 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 12:10:40,923 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 12:10:40,923 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 12:10:40,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:10:40,923 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 12:10:40,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:10:40,924 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:10:40,924 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 12:10:40,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 12:10:40,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 12:10:40,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:10:40,924 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 12:10:40,925 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:10:40,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 12:10:40,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:10:40,925 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:10:40,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:10:40,925 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:10:40,926 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 12:10:40,926 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_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da65a08be7a694e995d17e45362055fa5f60ddf40e08c5ba36204464b294ccf0 [2022-12-13 12:10:41,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:10:41,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:10:41,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:10:41,114 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:10:41,115 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:10:41,116 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/termination-memory-alloca/aviad_true-alloca.i [2022-12-13 12:10:43,725 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:10:43,920 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:10:43,920 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/sv-benchmarks/c/termination-memory-alloca/aviad_true-alloca.i [2022-12-13 12:10:43,928 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/data/e87e1c29d/48f64e0f2ee3434a8e7ce28d2ba91093/FLAG6c1d676f6 [2022-12-13 12:10:43,939 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/data/e87e1c29d/48f64e0f2ee3434a8e7ce28d2ba91093 [2022-12-13 12:10:43,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:10:43,941 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:10:43,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:10:43,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:10:43,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:10:43,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:10:43" (1/1) ... [2022-12-13 12:10:43,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71a19f61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:43, skipping insertion in model container [2022-12-13 12:10:43,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:10:43" (1/1) ... [2022-12-13 12:10:43,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:10:43,973 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:10:44,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:10:44,148 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:10:44,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:10:44,188 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:10:44,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:44 WrapperNode [2022-12-13 12:10:44,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:10:44,189 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:10:44,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:10:44,190 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:10:44,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:44" (1/1) ... [2022-12-13 12:10:44,203 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:44" (1/1) ... [2022-12-13 12:10:44,216 INFO L138 Inliner]: procedures = 111, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2022-12-13 12:10:44,216 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:10:44,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:10:44,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:10:44,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:10:44,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:44" (1/1) ... [2022-12-13 12:10:44,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:44" (1/1) ... [2022-12-13 12:10:44,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:44" (1/1) ... [2022-12-13 12:10:44,225 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:44" (1/1) ... [2022-12-13 12:10:44,228 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:44" (1/1) ... [2022-12-13 12:10:44,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:44" (1/1) ... [2022-12-13 12:10:44,231 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:44" (1/1) ... [2022-12-13 12:10:44,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:44" (1/1) ... [2022-12-13 12:10:44,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:10:44,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:10:44,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:10:44,234 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:10:44,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:44" (1/1) ... [2022-12-13 12:10:44,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:10:44,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:10:44,257 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:10:44,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 12:10:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 12:10:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 12:10:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 12:10:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 12:10:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:10:44,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:10:44,365 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:10:44,367 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:10:44,474 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:10:44,478 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:10:44,478 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 12:10:44,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:10:44 BoogieIcfgContainer [2022-12-13 12:10:44,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:10:44,481 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 12:10:44,481 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 12:10:44,483 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 12:10:44,484 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 12:10:44,484 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 12:10:43" (1/3) ... [2022-12-13 12:10:44,485 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7210b5e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 12:10:44, skipping insertion in model container [2022-12-13 12:10:44,485 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 12:10:44,485 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:44" (2/3) ... [2022-12-13 12:10:44,485 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7210b5e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 12:10:44, skipping insertion in model container [2022-12-13 12:10:44,485 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 12:10:44,485 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:10:44" (3/3) ... [2022-12-13 12:10:44,486 INFO L332 chiAutomizerObserver]: Analyzing ICFG aviad_true-alloca.i [2022-12-13 12:10:44,525 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 12:10:44,525 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 12:10:44,525 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 12:10:44,525 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 12:10:44,525 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 12:10:44,526 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 12:10:44,526 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 12:10:44,526 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 12:10:44,529 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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) [2022-12-13 12:10:44,552 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 12:10:44,552 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 12:10:44,553 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 12:10:44,557 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 12:10:44,557 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-12-13 12:10:44,558 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 12:10:44,558 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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) [2022-12-13 12:10:44,559 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 12:10:44,559 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 12:10:44,559 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 12:10:44,560 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 12:10:44,560 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-12-13 12:10:44,566 INFO L748 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet13#1, main_#t~ret14#1, main_~x~0#1, main_~count~1#1;main_~x~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1;assume { :begin_inline_f } true;f_#in~a#1 := main_~x~0#1;havoc f_#res#1;havoc f_#t~malloc2#1.base, f_#t~malloc2#1.offset, f_#t~malloc3#1.base, f_#t~malloc3#1.offset, f_#t~malloc4#1.base, f_#t~malloc4#1.offset, f_#t~mem6#1, f_#t~mem7#1, f_#t~mem8#1, f_#t~mem9#1, f_#t~mem10#1, f_#t~post11#1, f_#t~mem5#1, f_#t~mem12#1, f_~a#1, f_~a_ref~0#1.base, f_~a_ref~0#1.offset, f_~tmp~0#1.base, f_~tmp~0#1.offset, f_~count~0#1.base, f_~count~0#1.offset;f_~a#1 := f_#in~a#1;call f_#t~malloc2#1.base, f_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);f_~a_ref~0#1.base, f_~a_ref~0#1.offset := f_#t~malloc2#1.base, f_#t~malloc2#1.offset;call f_#t~malloc3#1.base, f_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);f_~tmp~0#1.base, f_~tmp~0#1.offset := f_#t~malloc3#1.base, f_#t~malloc3#1.offset;call f_#t~malloc4#1.base, f_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);f_~count~0#1.base, f_~count~0#1.offset := f_#t~malloc4#1.base, f_#t~malloc4#1.offset;call write~int(f_~a#1, f_~a_ref~0#1.base, f_~a_ref~0#1.offset, 4);call write~int(0, f_~tmp~0#1.base, f_~tmp~0#1.offset, 4);call write~int(0, f_~count~0#1.base, f_~count~0#1.offset, 4); 7#L554-3true [2022-12-13 12:10:44,566 INFO L750 eck$LassoCheckResult]: Loop: 7#L554-3true call f_#t~mem5#1 := read~int(f_~a_ref~0#1.base, f_~a_ref~0#1.offset, 4); 9#L554-1true assume !!(f_#t~mem5#1 > 1);havoc f_#t~mem5#1;call f_#t~mem6#1 := read~int(f_~a_ref~0#1.base, f_~a_ref~0#1.offset, 4);call write~int((if f_#t~mem6#1 < 0 && 0 != f_#t~mem6#1 % 2 then f_#t~mem6#1 % 2 - 2 else f_#t~mem6#1 % 2), f_~tmp~0#1.base, f_~tmp~0#1.offset, 4);havoc f_#t~mem6#1;call f_#t~mem7#1 := read~int(f_~tmp~0#1.base, f_~tmp~0#1.offset, 4); 5#L556true assume !(0 == f_#t~mem7#1);havoc f_#t~mem7#1;call f_#t~mem9#1 := read~int(f_~a_ref~0#1.base, f_~a_ref~0#1.offset, 4);call write~int(f_#t~mem9#1 - 1, f_~a_ref~0#1.base, f_~a_ref~0#1.offset, 4);havoc f_#t~mem9#1; 8#L556-2true call f_#t~mem10#1 := read~int(f_~count~0#1.base, f_~count~0#1.offset, 4);f_#t~post11#1 := f_#t~mem10#1;call write~int(1 + f_#t~post11#1, f_~count~0#1.base, f_~count~0#1.offset, 4);havoc f_#t~mem10#1;havoc f_#t~post11#1; 7#L554-3true [2022-12-13 12:10:44,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:10:44,572 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-12-13 12:10:44,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:10:44,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683004480] [2022-12-13 12:10:44,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:10:44,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:10:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:10:44,701 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:10:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:10:44,731 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:10:44,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:10:44,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1144136, now seen corresponding path program 1 times [2022-12-13 12:10:44,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:10:44,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943533859] [2022-12-13 12:10:44,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:10:44,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:10:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:10:44,755 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:10:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:10:44,769 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:10:44,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:10:44,771 INFO L85 PathProgramCache]: Analyzing trace with hash 889571338, now seen corresponding path program 1 times [2022-12-13 12:10:44,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:10:44,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278389368] [2022-12-13 12:10:44,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:10:44,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:10:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:10:44,812 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:10:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:10:44,835 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:10:45,437 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 12:10:45,437 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 12:10:45,438 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 12:10:45,438 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 12:10:45,438 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 12:10:45,438 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:10:45,438 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 12:10:45,438 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 12:10:45,438 INFO L133 ssoRankerPreferences]: Filename of dumped script: aviad_true-alloca.i_Iteration1_Lasso [2022-12-13 12:10:45,438 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 12:10:45,439 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 12:10:45,455 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:10:45,464 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:10:45,465 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:10:45,468 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:10:45,469 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:10:45,471 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:10:45,474 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:10:45,917 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:10:45,919 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:10:45,920 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:10:45,922 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:10:45,924 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:10:45,925 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:10:45,927 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:10:45,933 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:10:45,934 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:10:45,936 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:10:45,938 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:10:45,940 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:10:46,326 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 12:10:46,330 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 12:10:46,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:10:46,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:10:46,333 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:10:46,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 12:10:46,335 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 [2022-12-13 12:10:46,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:10:46,346 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 12:10:46,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:10:46,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:10:46,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:10:46,348 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 12:10:46,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 12:10:46,349 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 12:10:46,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 12:10:46,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:10:46,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:10:46,354 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:10:46,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 12:10:46,356 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 [2022-12-13 12:10:46,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:10:46,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 12:10:46,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:10:46,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:10:46,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:10:46,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 12:10:46,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 12:10:46,369 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 12:10:46,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 12:10:46,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:10:46,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:10:46,373 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:10:46,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 12:10:46,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 12:10:46,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:10:46,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:10:46,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:10:46,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:10:46,388 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 12:10:46,388 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 12:10:46,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 12:10:46,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-12-13 12:10:46,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:10:46,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:10:46,396 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:10:46,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 12:10:46,398 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 [2022-12-13 12:10:46,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:10:46,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 12:10:46,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:10:46,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:10:46,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:10:46,409 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 12:10:46,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 12:10:46,410 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 12:10:46,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-12-13 12:10:46,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:10:46,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:10:46,414 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:10:46,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 12:10:46,415 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 [2022-12-13 12:10:46,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:10:46,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:10:46,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:10:46,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:10:46,428 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 12:10:46,428 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 12:10:46,431 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 12:10:46,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-12-13 12:10:46,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:10:46,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:10:46,435 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:10:46,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 12:10:46,437 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 [2022-12-13 12:10:46,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:10:46,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:10:46,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:10:46,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:10:46,449 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 12:10:46,449 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 12:10:46,453 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 12:10:46,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-12-13 12:10:46,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:10:46,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:10:46,457 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:10:46,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 12:10:46,459 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 [2022-12-13 12:10:46,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:10:46,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:10:46,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:10:46,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:10:46,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 12:10:46,475 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 12:10:46,486 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 12:10:46,500 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-12-13 12:10:46,500 INFO L444 ModelExtractionUtils]: 11 out of 19 variables were initially zero. Simplification set additionally 6 variables to zero. [2022-12-13 12:10:46,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:10:46,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:10:46,530 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:10:46,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 12:10:46,532 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 12:10:46,543 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-12-13 12:10:46,543 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 12:10:46,544 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_f_~a_ref~0#1.base) ULTIMATE.start_f_~a_ref~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_f_~a_ref~0#1.base) ULTIMATE.start_f_~a_ref~0#1.offset)_1 Supporting invariants [] [2022-12-13 12:10:46,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-12-13 12:10:46,628 INFO L156 tatePredicateManager]: 22 out of 24 supporting invariants were superfluous and have been removed [2022-12-13 12:10:46,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:10:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:46,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-13 12:10:46,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:10:46,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-12-13 12:10:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:46,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-13 12:10:46,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:10:46,786 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-12-13 12:10:46,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 34 [2022-12-13 12:10:46,966 INFO L321 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2022-12-13 12:10:46,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 78 treesize of output 69 [2022-12-13 12:10:47,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:10:47,264 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2022-12-13 12:10:47,265 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:10:47,357 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 26 transitions. Complement of second has 10 states. [2022-12-13 12:10:47,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-12-13 12:10:47,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:10:47,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 15 transitions. [2022-12-13 12:10:47,363 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 2 letters. Loop has 4 letters. [2022-12-13 12:10:47,363 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:10:47,363 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 6 letters. Loop has 4 letters. [2022-12-13 12:10:47,363 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:10:47,363 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 2 letters. Loop has 8 letters. [2022-12-13 12:10:47,363 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:10:47,364 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 26 transitions. [2022-12-13 12:10:47,365 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 12:10:47,366 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2022-12-13 12:10:47,367 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 12:10:47,367 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 12:10:47,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 12:10:47,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:10:47,367 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 12:10:47,368 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 12:10:47,368 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 12:10:47,368 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 12:10:47,368 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 12:10:47,368 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 12:10:47,368 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 12:10:47,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 12:10:47 BoogieIcfgContainer [2022-12-13 12:10:47,372 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 12:10:47,373 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 12:10:47,373 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 12:10:47,373 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 12:10:47,373 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:10:44" (3/4) ... [2022-12-13 12:10:47,375 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 12:10:47,375 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 12:10:47,376 INFO L158 Benchmark]: Toolchain (without parser) took 3434.35ms. Allocated memory was 113.2MB in the beginning and 138.4MB in the end (delta: 25.2MB). Free memory was 81.7MB in the beginning and 43.8MB in the end (delta: 38.0MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. [2022-12-13 12:10:47,376 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 113.2MB. Free memory is still 87.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:10:47,376 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.80ms. Allocated memory is still 113.2MB. Free memory was 81.7MB in the beginning and 66.1MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 12:10:47,377 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.87ms. Allocated memory is still 113.2MB. Free memory was 66.1MB in the beginning and 64.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:10:47,377 INFO L158 Benchmark]: Boogie Preprocessor took 16.58ms. Allocated memory is still 113.2MB. Free memory was 64.2MB in the beginning and 62.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:10:47,377 INFO L158 Benchmark]: RCFGBuilder took 246.34ms. Allocated memory is still 113.2MB. Free memory was 62.9MB in the beginning and 51.1MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 12:10:47,378 INFO L158 Benchmark]: BuchiAutomizer took 2891.89ms. Allocated memory was 113.2MB in the beginning and 138.4MB in the end (delta: 25.2MB). Free memory was 50.9MB in the beginning and 43.8MB in the end (delta: 7.2MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2022-12-13 12:10:47,378 INFO L158 Benchmark]: Witness Printer took 2.50ms. Allocated memory is still 138.4MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:10:47,380 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 113.2MB. Free memory is still 87.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.80ms. Allocated memory is still 113.2MB. Free memory was 81.7MB in the beginning and 66.1MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.87ms. Allocated memory is still 113.2MB. Free memory was 66.1MB in the beginning and 64.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.58ms. Allocated memory is still 113.2MB. Free memory was 64.2MB in the beginning and 62.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 246.34ms. Allocated memory is still 113.2MB. Free memory was 62.9MB in the beginning and 51.1MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2891.89ms. Allocated memory was 113.2MB in the beginning and 138.4MB in the end (delta: 25.2MB). Free memory was 50.9MB in the beginning and 43.8MB in the end (delta: 7.2MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. * Witness Printer took 2.50ms. Allocated memory is still 138.4MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[a_ref][a_ref] and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 2 mSDtfsCounter, 21 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital419 mio100 ax104 hnf100 lsp94 ukn44 mio100 lsp39 div100 bol100 ite100 ukn100 eq195 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 19ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-12-13 12:10:47,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5700c5c-e0e1-4261-af2f-d5f0d18efb40/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE