./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/cggmp2005.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc 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_b8938dfd-2f7f-408c-b892-701e7fd42da5/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8938dfd-2f7f-408c-b892-701e7fd42da5/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8938dfd-2f7f-408c-b892-701e7fd42da5/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8938dfd-2f7f-408c-b892-701e7fd42da5/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/cggmp2005.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8938dfd-2f7f-408c-b892-701e7fd42da5/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8938dfd-2f7f-408c-b892-701e7fd42da5/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d9c82f96058e75055db08c6be05f7339c74a06f1004576b8854261e31deb5a7c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:58:25,954 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:58:26,059 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8938dfd-2f7f-408c-b892-701e7fd42da5/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 11:58:26,071 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:58:26,071 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:58:26,110 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:58:26,111 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:58:26,111 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:58:26,112 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:58:26,113 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:58:26,113 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:58:26,114 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:58:26,115 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:58:26,115 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 11:58:26,116 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 11:58:26,116 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 11:58:26,117 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 11:58:26,118 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 11:58:26,118 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 11:58:26,119 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:58:26,119 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 11:58:26,120 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:58:26,121 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:58:26,121 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:58:26,122 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:58:26,123 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 11:58:26,123 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 11:58:26,124 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 11:58:26,124 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:58:26,125 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:58:26,125 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:58:26,126 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 11:58:26,127 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:58:26,127 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:58:26,128 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:58:26,128 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:58:26,129 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:58:26,130 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 11:58:26,130 INFO L153 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_b8938dfd-2f7f-408c-b892-701e7fd42da5/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8938dfd-2f7f-408c-b892-701e7fd42da5/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9c82f96058e75055db08c6be05f7339c74a06f1004576b8854261e31deb5a7c [2023-11-26 11:58:26,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:58:26,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:58:26,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:58:26,428 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:58:26,432 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:58:26,434 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8938dfd-2f7f-408c-b892-701e7fd42da5/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/loop-lit/cggmp2005.i [2023-11-26 11:58:29,618 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:58:29,827 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:58:29,827 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8938dfd-2f7f-408c-b892-701e7fd42da5/sv-benchmarks/c/loop-lit/cggmp2005.i [2023-11-26 11:58:29,834 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8938dfd-2f7f-408c-b892-701e7fd42da5/bin/uautomizer-verify-VRDe98Ueme/data/846c221d3/43d90114fb21472083a573eeb5c1ad73/FLAG58558b899 [2023-11-26 11:58:29,854 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8938dfd-2f7f-408c-b892-701e7fd42da5/bin/uautomizer-verify-VRDe98Ueme/data/846c221d3/43d90114fb21472083a573eeb5c1ad73 [2023-11-26 11:58:29,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:58:29,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:58:29,866 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:58:29,866 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:58:29,872 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:58:29,872 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:58:29" (1/1) ... [2023-11-26 11:58:29,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10d140c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:29, skipping insertion in model container [2023-11-26 11:58:29,874 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:58:29" (1/1) ... [2023-11-26 11:58:29,895 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:58:30,099 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:58:30,112 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:58:30,128 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:58:30,144 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:58:30,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:30 WrapperNode [2023-11-26 11:58:30,145 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:58:30,146 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:58:30,147 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:58:30,147 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:58:30,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:30" (1/1) ... [2023-11-26 11:58:30,167 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:30" (1/1) ... [2023-11-26 11:58:30,188 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 30 [2023-11-26 11:58:30,188 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:58:30,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:58:30,189 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:58:30,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:58:30,201 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:30" (1/1) ... [2023-11-26 11:58:30,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:30" (1/1) ... [2023-11-26 11:58:30,203 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:30" (1/1) ... [2023-11-26 11:58:30,212 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 11:58:30,213 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:30" (1/1) ... [2023-11-26 11:58:30,213 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:30" (1/1) ... [2023-11-26 11:58:30,216 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:30" (1/1) ... [2023-11-26 11:58:30,219 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:30" (1/1) ... [2023-11-26 11:58:30,220 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:30" (1/1) ... [2023-11-26 11:58:30,228 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:30" (1/1) ... [2023-11-26 11:58:30,229 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:58:30,231 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:58:30,231 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:58:30,231 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:58:30,232 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:30" (1/1) ... [2023-11-26 11:58:30,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:30,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8938dfd-2f7f-408c-b892-701e7fd42da5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:30,262 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8938dfd-2f7f-408c-b892-701e7fd42da5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:30,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8938dfd-2f7f-408c-b892-701e7fd42da5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 11:58:30,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:58:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:58:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:58:30,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:58:30,367 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:58:30,369 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:58:30,454 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:58:30,461 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:58:30,462 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:58:30,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:58:30 BoogieIcfgContainer [2023-11-26 11:58:30,464 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:58:30,465 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 11:58:30,465 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 11:58:30,469 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 11:58:30,470 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:58:30,470 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 11:58:29" (1/3) ... [2023-11-26 11:58:30,471 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f6a7802 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:58:30, skipping insertion in model container [2023-11-26 11:58:30,471 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:58:30,471 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:30" (2/3) ... [2023-11-26 11:58:30,472 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f6a7802 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:58:30, skipping insertion in model container [2023-11-26 11:58:30,472 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:58:30,472 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:58:30" (3/3) ... [2023-11-26 11:58:30,473 INFO L332 chiAutomizerObserver]: Analyzing ICFG cggmp2005.i [2023-11-26 11:58:30,536 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 11:58:30,536 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 11:58:30,536 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 11:58:30,536 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 11:58:30,536 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 11:58:30,537 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 11:58:30,537 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 11:58:30,537 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 11:58:30,542 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:58:30,578 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-26 11:58:30,578 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:58:30,578 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:58:30,586 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-26 11:58:30,586 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-26 11:58:30,587 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 11:58:30,587 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:58:30,590 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-26 11:58:30,590 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:58:30,590 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:58:30,590 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-26 11:58:30,590 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-26 11:58:30,597 INFO L748 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1;havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 1;main_~j~0#1 := 10; 8#L28-2true [2023-11-26 11:58:30,597 INFO L750 eck$LassoCheckResult]: Loop: 8#L28-2true assume !!(main_~j~0#1 >= main_~i~0#1);main_~i~0#1 := 2 + main_~i~0#1;main_~j~0#1 := -1 + main_~j~0#1; 8#L28-2true [2023-11-26 11:58:30,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:30,608 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-26 11:58:30,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:30,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33784896] [2023-11-26 11:58:30,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:30,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:30,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:30,699 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:58:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:30,725 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:58:30,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:30,728 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2023-11-26 11:58:30,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:30,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809779947] [2023-11-26 11:58:30,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:30,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:30,751 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:58:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:30,765 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:58:30,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:30,768 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2023-11-26 11:58:30,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:30,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023147105] [2023-11-26 11:58:30,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:30,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:30,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:30,791 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:58:30,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:58:30,802 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:58:30,875 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:58:30,876 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:58:30,876 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:58:30,876 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:58:30,876 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-26 11:58:30,876 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:30,877 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:58:30,877 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:58:30,877 INFO L133 ssoRankerPreferences]: Filename of dumped script: cggmp2005.i_Iteration1_Loop [2023-11-26 11:58:30,877 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:58:30,877 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:58:30,892 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:30,956 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:58:30,956 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-26 11:58:30,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:30,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8938dfd-2f7f-408c-b892-701e7fd42da5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:30,963 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8938dfd-2f7f-408c-b892-701e7fd42da5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:30,977 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 11:58:30,977 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 11:58:30,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8938dfd-2f7f-408c-b892-701e7fd42da5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 11:58:31,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8938dfd-2f7f-408c-b892-701e7fd42da5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-26 11:58:31,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:31,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8938dfd-2f7f-408c-b892-701e7fd42da5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:31,007 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8938dfd-2f7f-408c-b892-701e7fd42da5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:31,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8938dfd-2f7f-408c-b892-701e7fd42da5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 11:58:31,037 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-26 11:58:31,037 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 11:58:31,123 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-26 11:58:31,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8938dfd-2f7f-408c-b892-701e7fd42da5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-26 11:58:31,127 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:58:31,127 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:58:31,127 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:58:31,127 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:58:31,127 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:58:31,127 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:31,128 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:58:31,128 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:58:31,128 INFO L133 ssoRankerPreferences]: Filename of dumped script: cggmp2005.i_Iteration1_Loop [2023-11-26 11:58:31,128 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:58:31,128 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:58:31,130 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:58:31,216 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:58:31,221 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:58:31,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:31,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8938dfd-2f7f-408c-b892-701e7fd42da5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:31,224 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8938dfd-2f7f-408c-b892-701e7fd42da5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:31,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8938dfd-2f7f-408c-b892-701e7fd42da5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 11:58:31,233 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 [2023-11-26 11:58:31,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:58:31,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:58:31,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:58:31,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:58:31,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:58:31,254 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:58:31,254 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:58:31,266 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:58:31,272 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-26 11:58:31,272 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-26 11:58:31,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:58:31,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8938dfd-2f7f-408c-b892-701e7fd42da5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:31,315 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8938dfd-2f7f-408c-b892-701e7fd42da5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:31,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8938dfd-2f7f-408c-b892-701e7fd42da5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 11:58:31,317 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:58:31,317 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-26 11:58:31,318 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:58:31,318 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~i~0#1) = 2*ULTIMATE.start_main_~j~0#1 - 2*ULTIMATE.start_main_~i~0#1 + 3 Supporting invariants [] [2023-11-26 11:58:31,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8938dfd-2f7f-408c-b892-701e7fd42da5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-26 11:58:31,331 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-26 11:58:31,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:31,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:58:31,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:58:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:31,400 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 11:58:31,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:58:31,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:58:31,437 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-11-26 11:58:31,439 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2023-11-26 11:58:31,484 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 27 states and 34 transitions. Complement of second has 6 states. [2023-11-26 11:58:31,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-26 11:58:31,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2023-11-26 11:58:31,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2023-11-26 11:58:31,493 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 2 letters. Loop has 1 letters. [2023-11-26 11:58:31,494 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:58:31,494 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 3 letters. Loop has 1 letters. [2023-11-26 11:58:31,494 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:58:31,494 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 2 letters. Loop has 2 letters. [2023-11-26 11:58:31,495 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:58:31,495 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 34 transitions. [2023-11-26 11:58:31,499 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 11:58:31,501 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2023-11-26 11:58:31,502 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-26 11:58:31,503 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-26 11:58:31,503 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-26 11:58:31,504 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:31,504 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:58:31,504 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:58:31,504 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:58:31,504 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 11:58:31,505 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-26 11:58:31,505 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 11:58:31,505 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-26 11:58:31,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 11:58:31 BoogieIcfgContainer [2023-11-26 11:58:31,513 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 11:58:31,514 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:58:31,514 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:58:31,514 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:58:31,515 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:58:30" (3/4) ... [2023-11-26 11:58:31,517 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:58:31,518 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:58:31,519 INFO L158 Benchmark]: Toolchain (without parser) took 1654.98ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 102.1MB in the beginning and 138.3MB in the end (delta: -36.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:58:31,520 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 148.9MB. Free memory is still 118.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:58:31,520 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.36ms. Allocated memory is still 148.9MB. Free memory was 101.6MB in the beginning and 91.6MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 11:58:31,521 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.20ms. Allocated memory is still 148.9MB. Free memory was 91.6MB in the beginning and 90.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:58:31,522 INFO L158 Benchmark]: Boogie Preprocessor took 40.56ms. Allocated memory is still 148.9MB. Free memory was 90.1MB in the beginning and 88.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:58:31,523 INFO L158 Benchmark]: RCFGBuilder took 233.21ms. Allocated memory is still 148.9MB. Free memory was 88.5MB in the beginning and 79.6MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-26 11:58:31,523 INFO L158 Benchmark]: BuchiAutomizer took 1048.55ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 79.6MB in the beginning and 138.3MB in the end (delta: -58.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:58:31,524 INFO L158 Benchmark]: Witness Printer took 4.28ms. Allocated memory is still 180.4MB. Free memory is still 138.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:58:31,527 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 148.9MB. Free memory is still 118.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.36ms. Allocated memory is still 148.9MB. Free memory was 101.6MB in the beginning and 91.6MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.20ms. Allocated memory is still 148.9MB. Free memory was 91.6MB in the beginning and 90.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.56ms. Allocated memory is still 148.9MB. Free memory was 90.1MB in the beginning and 88.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 233.21ms. Allocated memory is still 148.9MB. Free memory was 88.5MB in the beginning and 79.6MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1048.55ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 79.6MB in the beginning and 138.3MB in the end (delta: -58.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.28ms. Allocated memory is still 180.4MB. Free memory is still 138.3MB. 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 (((-2 * i) + (2 * j)) + 3) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 7 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq179 hnf92 smp100 dnf100 smp100 tf108 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 96ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-26 11:58:31,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8938dfd-2f7f-408c-b892-701e7fd42da5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 11:58:31,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8938dfd-2f7f-408c-b892-701e7fd42da5/bin/uautomizer-verify-VRDe98Ueme/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