./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Madrid.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/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_cd87b092-adcb-4814-97c0-9e6a869f9d0e/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Madrid.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/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 64bit --witnessprinter.graph.data.programhash a1bd7f3201612d4dbbad9fa4198a254c8b8a340584a64011f322e9281c45b868 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:51:36,299 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:51:36,381 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-26 11:51:36,387 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:51:36,388 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:51:36,416 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:51:36,417 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:51:36,418 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:51:36,419 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:51:36,420 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:51:36,421 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:51:36,422 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:51:36,422 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:51:36,423 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 11:51:36,424 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 11:51:36,425 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 11:51:36,425 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 11:51:36,426 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 11:51:36,426 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 11:51:36,427 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:51:36,428 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 11:51:36,428 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:51:36,429 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:51:36,430 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 11:51:36,430 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 11:51:36,431 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 11:51:36,431 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:51:36,432 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:51:36,432 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 11:51:36,433 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:51:36,433 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:51:36,434 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:51:36,434 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:51:36,434 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:51:36,435 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 11:51:36,436 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_cd87b092-adcb-4814-97c0-9e6a869f9d0e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1bd7f3201612d4dbbad9fa4198a254c8b8a340584a64011f322e9281c45b868 [2023-11-26 11:51:36,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:51:36,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:51:36,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:51:36,753 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:51:36,754 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:51:36,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/termination-crafted/Madrid.c [2023-11-26 11:51:40,012 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:51:40,204 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:51:40,204 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/sv-benchmarks/c/termination-crafted/Madrid.c [2023-11-26 11:51:40,213 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/bin/uautomizer-verify-VRDe98Ueme/data/e08ebb4ef/0b91a21613c44c9fb1415f2bcd94ec36/FLAG71bfb6e47 [2023-11-26 11:51:40,230 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/bin/uautomizer-verify-VRDe98Ueme/data/e08ebb4ef/0b91a21613c44c9fb1415f2bcd94ec36 [2023-11-26 11:51:40,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:51:40,234 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:51:40,236 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:51:40,236 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:51:40,249 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:51:40,250 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:51:40" (1/1) ... [2023-11-26 11:51:40,251 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eec847d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:40, skipping insertion in model container [2023-11-26 11:51:40,252 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:51:40" (1/1) ... [2023-11-26 11:51:40,267 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:51:40,411 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:51:40,417 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:51:40,430 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:51:40,444 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:51:40,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:40 WrapperNode [2023-11-26 11:51:40,445 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:51:40,447 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:51:40,448 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:51:40,448 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:51:40,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:40" (1/1) ... [2023-11-26 11:51:40,462 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:40" (1/1) ... [2023-11-26 11:51:40,483 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 11 [2023-11-26 11:51:40,485 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:51:40,487 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:51:40,487 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:51:40,488 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:51:40,500 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:40" (1/1) ... [2023-11-26 11:51:40,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:40" (1/1) ... [2023-11-26 11:51:40,502 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:40" (1/1) ... [2023-11-26 11:51:40,509 INFO L175 MemorySlicer]: No memory access in input program. [2023-11-26 11:51:40,510 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:40" (1/1) ... [2023-11-26 11:51:40,511 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:40" (1/1) ... [2023-11-26 11:51:40,515 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:40" (1/1) ... [2023-11-26 11:51:40,525 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:40" (1/1) ... [2023-11-26 11:51:40,526 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:40" (1/1) ... [2023-11-26 11:51:40,526 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:40" (1/1) ... [2023-11-26 11:51:40,528 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:51:40,529 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:51:40,529 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:51:40,529 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:51:40,530 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:40" (1/1) ... [2023-11-26 11:51:40,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:40,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:40,567 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:40,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 11:51:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:51:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:51:40,692 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:51:40,694 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:51:40,739 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:51:40,747 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:51:40,748 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:51:40,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:51:40 BoogieIcfgContainer [2023-11-26 11:51:40,750 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:51:40,751 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 11:51:40,751 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 11:51:40,756 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 11:51:40,757 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:51:40,757 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 11:51:40" (1/3) ... [2023-11-26 11:51:40,759 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26e1fdeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:51:40, skipping insertion in model container [2023-11-26 11:51:40,759 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:51:40,759 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:40" (2/3) ... [2023-11-26 11:51:40,760 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26e1fdeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:51:40, skipping insertion in model container [2023-11-26 11:51:40,760 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:51:40,760 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:51:40" (3/3) ... [2023-11-26 11:51:40,761 INFO L332 chiAutomizerObserver]: Analyzing ICFG Madrid.c [2023-11-26 11:51:40,815 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 11:51:40,815 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 11:51:40,816 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 11:51:40,816 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 11:51:40,816 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 11:51:40,816 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 11:51:40,816 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 11:51:40,817 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 11:51:40,821 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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 11:51:40,837 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-26 11:51:40,837 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:51:40,837 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:51:40,841 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-26 11:51:40,842 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-26 11:51:40,843 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 11:51:40,843 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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 11:51:40,844 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-26 11:51:40,844 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:51:40,844 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:51:40,844 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-26 11:51:40,845 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-26 11:51:40,852 INFO L748 eck$LassoCheckResult]: Stem: 4#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~x~0#1;havoc main_~x~0#1;main_~x~0#1 := 7; 6#L14-2true [2023-11-26 11:51:40,852 INFO L750 eck$LassoCheckResult]: Loop: 6#L14-2true assume !false;main_~x~0#1 := 2; 6#L14-2true [2023-11-26 11:51:40,858 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:40,859 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-26 11:51:40,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:40,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815972374] [2023-11-26 11:51:40,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:40,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:40,965 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:51:40,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:40,983 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:51:40,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:40,986 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2023-11-26 11:51:40,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:40,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969093845] [2023-11-26 11:51:40,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:40,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:40,996 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:51:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:41,001 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:51:41,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:41,003 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2023-11-26 11:51:41,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:41,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619886759] [2023-11-26 11:51:41,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:41,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:41,012 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:51:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:51:41,017 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:51:41,070 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:51:41,070 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:51:41,070 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:51:41,071 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:51:41,071 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-26 11:51:41,071 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:41,071 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:51:41,071 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:51:41,072 INFO L133 ssoRankerPreferences]: Filename of dumped script: Madrid.c_Iteration1_Lasso [2023-11-26 11:51:41,072 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:51:41,072 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:51:41,093 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 11:51:41,108 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 11:51:41,114 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 11:51:41,118 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 11:51:41,198 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:51:41,199 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-26 11:51:41,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:41,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:41,220 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:41,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 11:51:41,231 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 11:51:41,231 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 11:51:41,258 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-26 11:51:41,258 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-26 11:51:41,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:41,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:41,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:41,272 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:41,277 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 11:51:41,277 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 11:51:41,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 11:51:41,299 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-26 11:51:41,299 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-26 11:51:41,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:41,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:41,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:41,307 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:41,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 11:51:41,318 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 11:51:41,318 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 11:51:41,345 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-26 11:51:41,346 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-26 11:51:41,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-26 11:51:41,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:41,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:41,373 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:41,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 11:51:41,376 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 11:51:41,377 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 11:51:41,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:41,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:51:41,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:41,416 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:41,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 11:51:41,421 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-26 11:51:41,421 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 11:51:41,463 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-26 11:51:41,463 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=0} Honda state: {ULTIMATE.start_main_~x~0#1=7} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=2}, {ULTIMATE.start_main_~x~0#1=1}, {ULTIMATE.start_main_~x~0#1=-8}] Lambdas: [0, 8, 0] Nus: [0, 1] [2023-11-26 11:51:41,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-26 11:51:41,478 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~unnamed0~0~true could not be translated [2023-11-26 11:51:41,479 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~unnamed0~0~false could not be translated [2023-11-26 11:51:41,480 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~unnamed0~0~true could not be translated [2023-11-26 11:51:41,480 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~unnamed0~0~false could not be translated [2023-11-26 11:51:41,480 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~unnamed0~0~true could not be translated [2023-11-26 11:51:41,481 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~unnamed0~0~false could not be translated [2023-11-26 11:51:41,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 11:51:41 BoogieIcfgContainer [2023-11-26 11:51:41,494 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 11:51:41,495 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:51:41,495 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:51:41,496 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:51:41,496 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:51:40" (3/4) ... [2023-11-26 11:51:41,498 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-26 11:51:41,555 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 11:51:41,556 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:51:41,560 INFO L158 Benchmark]: Toolchain (without parser) took 1323.68ms. Allocated memory is still 203.4MB. Free memory was 155.5MB in the beginning and 104.6MB in the end (delta: 51.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-26 11:51:41,561 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 146.8MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:51:41,562 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.11ms. Allocated memory is still 203.4MB. Free memory was 154.9MB in the beginning and 145.8MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-26 11:51:41,563 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.52ms. Allocated memory is still 203.4MB. Free memory was 145.8MB in the beginning and 144.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:51:41,564 INFO L158 Benchmark]: Boogie Preprocessor took 41.21ms. Allocated memory is still 203.4MB. Free memory was 144.3MB in the beginning and 143.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:51:41,568 INFO L158 Benchmark]: RCFGBuilder took 221.16ms. Allocated memory is still 203.4MB. Free memory was 143.0MB in the beginning and 134.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-26 11:51:41,569 INFO L158 Benchmark]: BuchiAutomizer took 743.51ms. Allocated memory is still 203.4MB. Free memory was 134.5MB in the beginning and 106.7MB in the end (delta: 27.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-26 11:51:41,569 INFO L158 Benchmark]: Witness Printer took 61.37ms. Allocated memory is still 203.4MB. Free memory was 106.7MB in the beginning and 104.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:51:41,572 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 146.8MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 210.11ms. Allocated memory is still 203.4MB. Free memory was 154.9MB in the beginning and 145.8MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.52ms. Allocated memory is still 203.4MB. Free memory was 145.8MB in the beginning and 144.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.21ms. Allocated memory is still 203.4MB. Free memory was 144.3MB in the beginning and 143.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 221.16ms. Allocated memory is still 203.4MB. Free memory was 143.0MB in the beginning and 134.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 743.51ms. Allocated memory is still 203.4MB. Free memory was 134.5MB in the beginning and 106.7MB in the end (delta: 27.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 61.37ms. Allocated memory is still 203.4MB. Free memory was 106.7MB in the beginning and 104.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~unnamed0~0~true could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~unnamed0~0~false could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~unnamed0~0~true could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~unnamed0~0~false could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~unnamed0~0~true could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~unnamed0~0~false could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.6s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital6 mio100 ax333 hnf100 lsp30 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq233 hnf100 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 14]: Nontermination argument in form of an infinite program execution. [2023-11-26 11:51:41,586 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~unnamed0~0~true could not be translated [2023-11-26 11:51:41,586 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~unnamed0~0~false could not be translated [2023-11-26 11:51:41,592 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~unnamed0~0~true could not be translated [2023-11-26 11:51:41,593 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~unnamed0~0~false could not be translated [2023-11-26 11:51:41,593 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~unnamed0~0~true could not be translated [2023-11-26 11:51:41,593 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~unnamed0~0~false could not be translated [2023-11-26 11:51:41,594 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~unnamed0~0~true could not be translated [2023-11-26 11:51:41,594 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~unnamed0~0~false could not be translated [2023-11-26 11:51:41,594 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~unnamed0~0~true could not be translated [2023-11-26 11:51:41,594 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~unnamed0~0~false could not be translated [2023-11-26 11:51:41,595 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~unnamed0~0~true could not be translated [2023-11-26 11:51:41,595 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~unnamed0~0~false could not be translated Nontermination argument in form of an infinite execution State at position 0 is {x=0, \result=0} State at position 1 is {x=7, \result=0} For i>1, the state at position i is {x=7 + sum_{k=0}^i 2*0^k + 1*8^k + -8*0^k + -8*k*8^(k-1), \result=0 + sum_{k=0}^i 0} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 3GEVs Lambdas: [0, 8, 0] Mus: [0, 1] - NonterminatingLassoResult [Line: 14]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L12] int x; [L13] x = 7 Loop: [L14] COND TRUE \read(true) [L15] x = 2 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-26 11:51:41,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd87b092-adcb-4814-97c0-9e6a869f9d0e/bin/uautomizer-verify-VRDe98Ueme/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)