./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/mutual_simple.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a 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_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/mutual_simple.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R --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 6c12f09591910c75ee0fb408a48b3499b101134bf1227e2b3b797b62a89d1275 --- 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-38b53e6 [2022-11-25 16:52:46,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:52:46,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:52:46,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:52:46,180 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:52:46,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:52:46,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:52:46,191 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:52:46,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:52:46,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:52:46,206 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:52:46,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:52:46,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:52:46,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:52:46,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:52:46,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:52:46,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:52:46,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:52:46,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:52:46,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:52:46,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:52:46,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:52:46,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:52:46,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:52:46,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:52:46,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:52:46,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:52:46,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:52:46,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:52:46,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:52:46,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:52:46,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:52:46,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:52:46,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:52:46,252 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:52:46,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:52:46,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:52:46,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:52:46,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:52:46,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:52:46,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:52:46,260 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-25 16:52:46,297 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:52:46,297 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:52:46,298 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:52:46,298 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:52:46,299 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:52:46,299 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:52:46,300 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:52:46,300 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 16:52:46,300 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 16:52:46,300 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 16:52:46,301 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 16:52:46,302 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 16:52:46,302 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 16:52:46,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:52:46,302 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 16:52:46,303 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 16:52:46,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:52:46,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 16:52:46,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 16:52:46,304 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 16:52:46,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:52:46,304 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 16:52:46,304 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:52:46,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 16:52:46,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:52:46,305 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:52:46,305 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:52:46,305 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 16:52:46,307 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 16:52:46,308 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_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c12f09591910c75ee0fb408a48b3499b101134bf1227e2b3b797b62a89d1275 [2022-11-25 16:52:46,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:52:46,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:52:46,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:52:46,624 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:52:46,625 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:52:46,626 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/termination-recursive-malloc/mutual_simple.i [2022-11-25 16:52:49,579 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:52:49,810 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:52:49,811 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/sv-benchmarks/c/termination-recursive-malloc/mutual_simple.i [2022-11-25 16:52:49,816 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/data/48f6338a8/1ffd2caccfac4f96af53bca5021c11d0/FLAG47b5a7de2 [2022-11-25 16:52:49,832 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/data/48f6338a8/1ffd2caccfac4f96af53bca5021c11d0 [2022-11-25 16:52:49,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:52:49,837 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:52:49,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:52:49,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:52:49,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:52:49,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:52:49" (1/1) ... [2022-11-25 16:52:49,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47fcf57a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:49, skipping insertion in model container [2022-11-25 16:52:49,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:52:49" (1/1) ... [2022-11-25 16:52:49,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:52:49,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:52:50,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:52:50,024 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:52:50,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:52:50,053 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:52:50,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:50 WrapperNode [2022-11-25 16:52:50,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:52:50,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:52:50,055 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:52:50,055 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:52:50,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:50" (1/1) ... [2022-11-25 16:52:50,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:50" (1/1) ... [2022-11-25 16:52:50,090 INFO L138 Inliner]: procedures = 12, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 12 [2022-11-25 16:52:50,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:52:50,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:52:50,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:52:50,091 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:52:50,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:50" (1/1) ... [2022-11-25 16:52:50,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:50" (1/1) ... [2022-11-25 16:52:50,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:50" (1/1) ... [2022-11-25 16:52:50,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:50" (1/1) ... [2022-11-25 16:52:50,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:50" (1/1) ... [2022-11-25 16:52:50,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:50" (1/1) ... [2022-11-25 16:52:50,110 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:50" (1/1) ... [2022-11-25 16:52:50,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:50" (1/1) ... [2022-11-25 16:52:50,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:52:50,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:52:50,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:52:50,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:52:50,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:50" (1/1) ... [2022-11-25 16:52:50,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:52:50,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:52:50,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:52:50,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 16:52:50,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 16:52:50,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 16:52:50,204 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-11-25 16:52:50,205 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-11-25 16:52:50,205 INFO L130 BoogieDeclarations]: Found specification of procedure g [2022-11-25 16:52:50,205 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2022-11-25 16:52:50,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:52:50,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:52:50,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 16:52:50,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 16:52:50,292 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:52:50,294 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:52:50,518 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:52:50,526 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:52:50,527 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 16:52:50,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:52:50 BoogieIcfgContainer [2022-11-25 16:52:50,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:52:50,546 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 16:52:50,547 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 16:52:50,551 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 16:52:50,552 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 16:52:50,553 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 04:52:49" (1/3) ... [2022-11-25 16:52:50,554 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6cf79136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 04:52:50, skipping insertion in model container [2022-11-25 16:52:50,554 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 16:52:50,554 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:50" (2/3) ... [2022-11-25 16:52:50,555 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6cf79136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 04:52:50, skipping insertion in model container [2022-11-25 16:52:50,555 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 16:52:50,555 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:52:50" (3/3) ... [2022-11-25 16:52:50,557 INFO L332 chiAutomizerObserver]: Analyzing ICFG mutual_simple.i [2022-11-25 16:52:50,682 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 16:52:50,683 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 16:52:50,683 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 16:52:50,683 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 16:52:50,698 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 16:52:50,698 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 16:52:50,699 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 16:52:50,699 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 16:52:50,703 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 16:52:50,728 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-25 16:52:50,728 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 16:52:50,728 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 16:52:50,735 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-25 16:52:50,736 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-25 16:52:50,736 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 16:52:50,736 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 16:52:50,738 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-25 16:52:50,739 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 16:52:50,739 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 16:52:50,740 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-25 16:52:50,740 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-25 16:52:50,749 INFO L748 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_~p1~0#1.base, main_~p1~0#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(4);main_~p1~0#1.base, main_~p1~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call write~int(main_#t~nondet6#1, main_~p1~0#1.base, main_~p1~0#1.offset, 4);havoc main_#t~nondet6#1; 12#L37true call f(main_~p1~0#1.base, main_~p1~0#1.offset);< 10#fENTRYtrue [2022-11-25 16:52:50,750 INFO L750 eck$LassoCheckResult]: Loop: 10#fENTRYtrue ~q.base, ~q.offset := #in~q.base, #in~q.offset;call #t~mem1 := read~int(~q.base, ~q.offset, 4); 15#L13true assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem2 := read~int(~q.base, ~q.offset, 4);#t~post3 := #t~mem2;call write~int(#t~post3 - 1, ~q.base, ~q.offset, 4);havoc #t~mem2;havoc #t~post3; 17#L17true call g(~q.base, ~q.offset);< 11#gENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4); 14#L22true assume !(#t~mem4 < 0);havoc #t~mem4; 5#L25true call f(~p.base, ~p.offset);< 10#fENTRYtrue [2022-11-25 16:52:50,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:52:50,762 INFO L85 PathProgramCache]: Analyzing trace with hash 43767, now seen corresponding path program 1 times [2022-11-25 16:52:50,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:52:50,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566945752] [2022-11-25 16:52:50,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:52:50,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:52:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:52:50,942 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:52:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:52:51,006 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:52:51,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:52:51,012 INFO L85 PathProgramCache]: Analyzing trace with hash 891860259, now seen corresponding path program 1 times [2022-11-25 16:52:51,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:52:51,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339162102] [2022-11-25 16:52:51,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:52:51,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:52:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:52:51,063 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:52:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:52:51,111 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:52:51,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:52:51,114 INFO L85 PathProgramCache]: Analyzing trace with hash -306262119, now seen corresponding path program 1 times [2022-11-25 16:52:51,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:52:51,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328504286] [2022-11-25 16:52:51,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:52:51,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:52:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:52:51,144 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:52:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:52:51,170 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:52:52,179 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 16:52:52,180 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 16:52:52,180 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 16:52:52,180 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 16:52:52,180 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 16:52:52,180 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:52:52,180 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 16:52:52,181 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 16:52:52,181 INFO L133 ssoRankerPreferences]: Filename of dumped script: mutual_simple.i_Iteration1_Lasso [2022-11-25 16:52:52,181 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 16:52:52,181 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 16:52:52,198 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:52:52,208 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:52:52,210 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:52:52,213 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:52:52,216 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:52:52,218 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:52:52,222 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:52:52,225 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:52:52,228 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:52:52,369 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:52:52,373 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:52:52,378 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:52:52,381 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:52:52,385 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:52:52,388 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:52:52,391 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:52:52,395 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:52:52,397 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:52:52,662 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 16:52:52,666 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 16:52:52,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:52:52,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:52:52,674 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:52:52,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-25 16:52:52,683 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 [2022-11-25 16:52:52,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:52:52,702 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:52:52,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:52:52,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:52:52,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:52:52,705 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:52:52,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:52:52,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:52:52,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-25 16:52:52,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:52:52,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:52:52,742 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:52:52,746 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 [2022-11-25 16:52:52,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:52:52,760 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:52:52,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:52:52,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:52:52,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:52:52,762 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:52:52,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:52:52,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-25 16:52:52,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:52:52,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-25 16:52:52,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:52:52,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:52:52,793 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:52:52,797 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 [2022-11-25 16:52:52,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:52:52,809 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:52:52,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:52:52,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:52:52,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:52:52,812 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:52:52,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:52:52,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-25 16:52:52,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:52:52,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-25 16:52:52,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:52:52,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:52:52,844 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:52:52,848 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 [2022-11-25 16:52:52,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:52:52,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:52:52,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:52:52,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:52:52,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:52:52,862 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:52:52,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:52:52,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-25 16:52:52,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:52:52,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-25 16:52:52,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:52:52,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:52:52,878 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:52:52,886 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 [2022-11-25 16:52:52,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:52:52,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:52:52,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:52:52,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:52:52,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:52:52,900 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:52:52,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:52:52,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-25 16:52:52,918 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:52:52,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-25 16:52:52,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:52:52,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:52:52,929 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:52:52,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-25 16:52:52,940 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 [2022-11-25 16:52:52,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:52:52,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:52:52,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:52:52,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:52:52,956 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:52:52,956 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:52:52,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:52:52,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-25 16:52:52,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:52:52,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:52:52,978 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:52:52,986 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 [2022-11-25 16:52:52,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:52:52,999 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:52:52,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:52:52,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:52:52,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:52:53,000 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:52:53,001 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:52:53,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-25 16:52:53,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:52:53,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-25 16:52:53,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:52:53,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:52:53,032 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:52:53,038 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 [2022-11-25 16:52:53,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-25 16:52:53,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:52:53,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:52:53,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:52:53,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:52:53,066 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:52:53,066 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:52:53,082 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 16:52:53,114 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-25 16:52:53,114 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-25 16:52:53,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:52:53,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:52:53,174 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:52:53,183 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 16:52:53,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-25 16:52:53,216 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-25 16:52:53,216 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 16:52:53,217 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int f_#in~q.base) f_#in~q.offset)_1) = 1*v_rep(select (select #memory_int f_#in~q.base) f_#in~q.offset)_1 Supporting invariants [] [2022-11-25 16:52:53,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-25 16:52:53,244 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2022-11-25 16:52:53,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:52:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:52:53,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 16:52:53,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:52:53,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:52:53,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 31 conjunts are in the unsatisfiable core [2022-11-25 16:52:53,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:52:53,407 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 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-25 16:52:53,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:52:53,540 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2022-11-25 16:52:53,542 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:52:53,814 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). Second operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 47 states and 53 transitions. Complement of second has 22 states. [2022-11-25 16:52:53,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2022-11-25 16:52:53,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:52:53,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 15 transitions. [2022-11-25 16:52:53,824 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 3 letters. Loop has 6 letters. [2022-11-25 16:52:53,839 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 16:52:53,840 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 9 letters. Loop has 6 letters. [2022-11-25 16:52:53,840 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 16:52:53,840 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 3 letters. Loop has 12 letters. [2022-11-25 16:52:53,841 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 16:52:53,842 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 53 transitions. [2022-11-25 16:52:53,845 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 16:52:53,848 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 0 states and 0 transitions. [2022-11-25 16:52:53,849 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-25 16:52:53,849 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-25 16:52:53,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-25 16:52:53,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:52:53,850 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 16:52:53,850 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 16:52:53,850 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 16:52:53,851 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 16:52:53,851 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-25 16:52:53,851 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 16:52:53,851 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-25 16:52:53,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 04:52:53 BoogieIcfgContainer [2022-11-25 16:52:53,866 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 16:52:53,867 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 16:52:53,882 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 16:52:53,883 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 16:52:53,883 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:52:50" (3/4) ... [2022-11-25 16:52:53,886 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 16:52:53,886 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 16:52:53,887 INFO L158 Benchmark]: Toolchain (without parser) took 4050.56ms. Allocated memory is still 130.0MB. Free memory was 100.0MB in the beginning and 50.6MB in the end (delta: 49.4MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. [2022-11-25 16:52:53,888 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 130.0MB. Free memory was 105.2MB in the beginning and 105.1MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:52:53,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.93ms. Allocated memory is still 130.0MB. Free memory was 99.8MB in the beginning and 90.4MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 16:52:53,889 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.51ms. Allocated memory is still 130.0MB. Free memory was 90.4MB in the beginning and 88.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:52:53,889 INFO L158 Benchmark]: Boogie Preprocessor took 22.20ms. Allocated memory is still 130.0MB. Free memory was 88.9MB in the beginning and 88.0MB in the end (delta: 933.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:52:53,890 INFO L158 Benchmark]: RCFGBuilder took 431.22ms. Allocated memory is still 130.0MB. Free memory was 87.7MB in the beginning and 77.6MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 16:52:53,891 INFO L158 Benchmark]: BuchiAutomizer took 3319.84ms. Allocated memory is still 130.0MB. Free memory was 77.6MB in the beginning and 51.3MB in the end (delta: 26.3MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2022-11-25 16:52:53,891 INFO L158 Benchmark]: Witness Printer took 19.96ms. Allocated memory is still 130.0MB. Free memory was 51.3MB in the beginning and 50.6MB in the end (delta: 735.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:52:53,894 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 130.0MB. Free memory was 105.2MB in the beginning and 105.1MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 215.93ms. Allocated memory is still 130.0MB. Free memory was 99.8MB in the beginning and 90.4MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.51ms. Allocated memory is still 130.0MB. Free memory was 90.4MB in the beginning and 88.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.20ms. Allocated memory is still 130.0MB. Free memory was 88.9MB in the beginning and 88.0MB in the end (delta: 933.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 431.22ms. Allocated memory is still 130.0MB. Free memory was 87.7MB in the beginning and 77.6MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3319.84ms. Allocated memory is still 130.0MB. Free memory was 77.6MB in the beginning and 51.3MB in the end (delta: 26.3MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * Witness Printer took 19.96ms. Allocated memory is still 130.0MB. Free memory was 51.3MB in the beginning and 50.6MB in the end (delta: 735.9kB). 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[q][q] and consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. 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, 14 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 64 IncrementalHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 11 mSDtfsCounter, 64 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital113 mio100 ax100 hnf100 lsp94 ukn68 mio100 lsp36 div100 bol100 ite100 ukn100 eq144 hnf92 smp94 dnf100 smp100 tf100 neg97 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 40ms 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! [2022-11-25 16:52:53,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-11-25 16:52:54,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1a7f30-ac53-47e1-8193-90088ce35909/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE