./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/and-01-false.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30e01a73 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_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/and-01-false.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ --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 fb97abcdacf74b7d5d4aa2facade76810ebe799b4569f70754f3cc3f1f91fdac --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:31:58,769 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:31:58,891 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-23 22:31:58,901 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:31:58,902 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:31:58,941 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:31:58,942 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:31:58,942 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:31:58,944 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 22:31:58,949 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 22:31:58,951 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:31:58,952 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:31:58,952 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:31:58,955 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-23 22:31:58,955 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-23 22:31:58,956 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-23 22:31:58,957 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-23 22:31:58,958 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-23 22:31:58,958 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-23 22:31:58,959 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:31:58,959 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-23 22:31:58,960 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 22:31:58,960 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:31:58,961 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-23 22:31:58,961 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-23 22:31:58,962 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-23 22:31:58,962 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 22:31:58,963 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:31:58,963 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-23 22:31:58,963 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:31:58,965 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:31:58,965 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:31:58,965 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:31:58,966 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 22:31:58,966 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-23 22:31:58,967 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_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb97abcdacf74b7d5d4aa2facade76810ebe799b4569f70754f3cc3f1f91fdac [2023-11-23 22:31:59,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:31:59,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:31:59,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:31:59,373 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:31:59,374 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:31:59,375 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/termination-bwb/and-01-false.c [2023-11-23 22:32:02,516 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:32:02,742 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:32:02,743 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/sv-benchmarks/c/termination-bwb/and-01-false.c [2023-11-23 22:32:02,751 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/data/3ea3eefc5/b8d69c0baeca448faf8dea44d65d0dc2/FLAGc12d8589e [2023-11-23 22:32:02,771 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/data/3ea3eefc5/b8d69c0baeca448faf8dea44d65d0dc2 [2023-11-23 22:32:02,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:32:02,779 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:32:02,783 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:32:02,783 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:32:02,789 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:32:02,790 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:32:02" (1/1) ... [2023-11-23 22:32:02,791 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31418ab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:02, skipping insertion in model container [2023-11-23 22:32:02,792 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:32:02" (1/1) ... [2023-11-23 22:32:02,814 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 22:32:03,017 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:32:03,023 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 22:32:03,038 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:32:03,054 INFO L206 MainTranslator]: Completed translation [2023-11-23 22:32:03,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:03 WrapperNode [2023-11-23 22:32:03,054 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 22:32:03,056 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 22:32:03,056 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 22:32:03,056 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 22:32:03,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:03" (1/1) ... [2023-11-23 22:32:03,068 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:03" (1/1) ... [2023-11-23 22:32:03,085 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2023-11-23 22:32:03,086 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 22:32:03,087 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 22:32:03,087 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 22:32:03,087 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 22:32:03,098 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:03" (1/1) ... [2023-11-23 22:32:03,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:03" (1/1) ... [2023-11-23 22:32:03,100 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:03" (1/1) ... [2023-11-23 22:32:03,110 INFO L189 HeapSplitter]: Split 0 memory accesses to 0 slices as follows [] [2023-11-23 22:32:03,110 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:03" (1/1) ... [2023-11-23 22:32:03,111 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:03" (1/1) ... [2023-11-23 22:32:03,114 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:03" (1/1) ... [2023-11-23 22:32:03,117 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:03" (1/1) ... [2023-11-23 22:32:03,118 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:03" (1/1) ... [2023-11-23 22:32:03,119 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:03" (1/1) ... [2023-11-23 22:32:03,127 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 22:32:03,129 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 22:32:03,129 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 22:32:03,129 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 22:32:03,130 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:03" (1/1) ... [2023-11-23 22:32:03,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:32:03,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:03,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:32:03,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-23 22:32:03,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 22:32:03,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 22:32:03,275 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 22:32:03,277 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 22:32:03,375 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 22:32:03,384 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 22:32:03,387 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 22:32:03,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:32:03 BoogieIcfgContainer [2023-11-23 22:32:03,390 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 22:32:03,391 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-23 22:32:03,391 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-23 22:32:03,395 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-23 22:32:03,396 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-23 22:32:03,396 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 10:32:02" (1/3) ... [2023-11-23 22:32:03,398 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b66d1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 10:32:03, skipping insertion in model container [2023-11-23 22:32:03,398 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-23 22:32:03,399 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:03" (2/3) ... [2023-11-23 22:32:03,401 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b66d1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 10:32:03, skipping insertion in model container [2023-11-23 22:32:03,402 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-23 22:32:03,402 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:32:03" (3/3) ... [2023-11-23 22:32:03,408 INFO L332 chiAutomizerObserver]: Analyzing ICFG and-01-false.c [2023-11-23 22:32:03,488 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-23 22:32:03,490 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-23 22:32:03,491 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-23 22:32:03,491 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-23 22:32:03,491 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-23 22:32:03,491 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-23 22:32:03,492 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-23 22:32:03,492 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-23 22:32:03,501 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:32:03,520 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-23 22:32:03,520 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 22:32:03,521 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 22:32:03,527 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-23 22:32:03,528 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-23 22:32:03,529 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-23 22:32:03,529 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:32:03,531 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-23 22:32:03,532 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 22:32:03,532 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 22:32:03,532 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-23 22:32:03,532 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-23 22:32:03,540 INFO L748 eck$LassoCheckResult]: Stem: 8#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~post1#1, main_#t~nondet2#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~a~0#1 := 34; 9#L16-2true [2023-11-23 22:32:03,541 INFO L750 eck$LassoCheckResult]: Loop: 9#L16-2true assume !!(0 == main_~x~0#1);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := main_#t~post1#1 - 1;havoc main_#t~post1#1; 3#L18true assume 0 == main_~x~0#1 || 0 == main_~a~0#1;main_#t~nondet2#1 := 0; 6#L18-4true main_~x~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 9#L16-2true [2023-11-23 22:32:03,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:03,548 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-23 22:32:03,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:03,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826627024] [2023-11-23 22:32:03,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:03,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:32:03,658 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:32:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:32:03,694 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:32:03,702 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:03,703 INFO L85 PathProgramCache]: Analyzing trace with hash 40819, now seen corresponding path program 1 times [2023-11-23 22:32:03,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:03,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520138395] [2023-11-23 22:32:03,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:03,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:32:03,742 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:32:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:32:03,750 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:32:03,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:03,752 INFO L85 PathProgramCache]: Analyzing trace with hash 28699761, now seen corresponding path program 1 times [2023-11-23 22:32:03,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:03,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130724458] [2023-11-23 22:32:03,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:03,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:32:03,764 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:32:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:32:03,772 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:32:03,906 INFO L210 LassoAnalysis]: Preferences: [2023-11-23 22:32:03,907 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-23 22:32:03,907 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-23 22:32:03,907 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-23 22:32:03,907 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-23 22:32:03,908 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:32:03,908 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-23 22:32:03,908 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-23 22:32:03,908 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-01-false.c_Iteration1_Loop [2023-11-23 22:32:03,908 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-23 22:32:03,909 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-23 22:32:03,927 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:32:03,942 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:32:03,946 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:32:03,949 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:32:04,014 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-23 22:32:04,015 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-23 22:32:04,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:32:04,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:04,019 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:32:04,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-23 22:32:04,022 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-23 22:32:04,023 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-23 22:32:04,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-23 22:32:04,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:32:04,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:04,061 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:32:04,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-23 22:32:04,071 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-23 22:32:04,071 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-23 22:32:04,113 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-23 22:32:04,114 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0#1=0} Honda state: {ULTIMATE.start_main_~a~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~a~0#1=2}, {ULTIMATE.start_main_~a~0#1=-3}, {ULTIMATE.start_main_~a~0#1=0}] Lambdas: [1, 1, 0] Nus: [0, 1] [2023-11-23 22:32:04,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-23 22:32:04,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:32:04,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:04,140 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:32:04,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-23 22:32:04,143 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-23 22:32:04,143 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-23 22:32:04,167 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-23 22:32:04,167 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1#1=0} Honda state: {ULTIMATE.start_main_#t~post1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-23 22:32:04,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-23 22:32:04,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:32:04,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:04,191 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:32:04,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-23 22:32:04,199 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-23 22:32:04,199 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-23 22:32:04,218 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-23 22:32:04,219 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=0} Honda state: {ULTIMATE.start_main_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-23 22:32:04,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-23 22:32:04,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:32:04,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:04,245 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:32:04,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-23 22:32:04,248 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-23 22:32:04,250 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-23 22:32:04,273 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-23 22:32:04,274 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=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-23 22:32:04,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-23 22:32:04,305 INFO L210 LassoAnalysis]: Preferences: [2023-11-23 22:32:04,305 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-23 22:32:04,305 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-23 22:32:04,305 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-23 22:32:04,305 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-23 22:32:04,305 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:32:04,306 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-23 22:32:04,306 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-23 22:32:04,306 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-01-false.c_Iteration1_Lasso [2023-11-23 22:32:04,306 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-23 22:32:04,306 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-23 22:32:04,310 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:32:04,321 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:32:04,327 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:32:04,337 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:32:04,345 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:32:04,351 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:32:04,406 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-23 22:32:04,407 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-23 22:32:04,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:32:04,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:04,408 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:32:04,416 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-23 22:32:04,416 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-23 22:32:04,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-23 22:32:04,441 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-23 22:32:04,442 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=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-23 22:32:04,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-23 22:32:04,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:32:04,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:04,471 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:32:04,484 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-23 22:32:04,484 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-23 22:32:04,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-23 22:32:04,523 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-23 22:32:04,523 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-23 22:32:04,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-23 22:32:04,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:32:04,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:04,550 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:32:04,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-23 22:32:04,555 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-23 22:32:04,555 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-23 22:32:04,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-23 22:32:04,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:32:04,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:04,613 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:32:04,622 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-23 22:32:04,622 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-23 22:32:04,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-23 22:32:04,661 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-23 22:32:04,661 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0#1=0} Honda state: {ULTIMATE.start_main_~a~0#1=34} Generalized eigenvectors: [{ULTIMATE.start_main_~a~0#1=2}, {ULTIMATE.start_main_~a~0#1=-3}, {ULTIMATE.start_main_~a~0#1=0}] Lambdas: [1, 1, 0] Nus: [0, 1] [2023-11-23 22:32:04,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-23 22:32:04,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:32:04,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:04,681 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:32:04,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-23 22:32:04,691 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-23 22:32:04,691 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-23 22:32:04,704 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-23 22:32:04,704 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=0} Honda state: {ULTIMATE.start_main_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-23 22:32:04,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-23 22:32:04,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:32:04,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:04,724 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:32:04,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-23 22:32:04,727 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-23 22:32:04,727 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-23 22:32:04,757 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-23 22:32:04,757 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1#1=0} Honda state: {ULTIMATE.start_main_#t~post1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-23 22:32:04,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-23 22:32:04,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:32:04,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:04,784 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:32:04,796 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-23 22:32:04,796 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-23 22:32:04,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-23 22:32:04,831 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-23 22:32:04,831 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: [] [2023-11-23 22:32:04,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-23 22:32:04,865 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-23 22:32:04,867 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet0 could not be translated [2023-11-23 22:32:04,867 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post1 could not be translated [2023-11-23 22:32:04,868 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-23 22:32:04,868 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet0 could not be translated [2023-11-23 22:32:04,868 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post1 could not be translated [2023-11-23 22:32:04,869 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-23 22:32:04,869 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet0 could not be translated [2023-11-23 22:32:04,870 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post1 could not be translated [2023-11-23 22:32:04,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 10:32:04 BoogieIcfgContainer [2023-11-23 22:32:04,882 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-23 22:32:04,883 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 22:32:04,883 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 22:32:04,884 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 22:32:04,884 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:32:03" (3/4) ... [2023-11-23 22:32:04,886 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-23 22:32:04,924 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/witness.graphml [2023-11-23 22:32:04,924 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 22:32:04,926 INFO L158 Benchmark]: Toolchain (without parser) took 2146.29ms. Allocated memory was 132.1MB in the beginning and 188.7MB in the end (delta: 56.6MB). Free memory was 93.9MB in the beginning and 130.3MB in the end (delta: -36.3MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2023-11-23 22:32:04,927 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 104.9MB. Free memory is still 55.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:32:04,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.03ms. Allocated memory is still 132.1MB. Free memory was 93.6MB in the beginning and 84.3MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 22:32:04,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.36ms. Allocated memory is still 132.1MB. Free memory was 84.0MB in the beginning and 82.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:32:04,929 INFO L158 Benchmark]: Boogie Preprocessor took 40.42ms. Allocated memory is still 132.1MB. Free memory was 82.8MB in the beginning and 81.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 22:32:04,930 INFO L158 Benchmark]: RCFGBuilder took 261.17ms. Allocated memory is still 132.1MB. Free memory was 81.3MB in the beginning and 72.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 22:32:04,931 INFO L158 Benchmark]: BuchiAutomizer took 1491.82ms. Allocated memory was 132.1MB in the beginning and 188.7MB in the end (delta: 56.6MB). Free memory was 72.9MB in the beginning and 131.3MB in the end (delta: -58.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:32:04,931 INFO L158 Benchmark]: Witness Printer took 40.96ms. Allocated memory is still 188.7MB. Free memory was 131.3MB in the beginning and 130.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 22:32:04,935 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 104.9MB. Free memory is still 55.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.03ms. Allocated memory is still 132.1MB. Free memory was 93.6MB in the beginning and 84.3MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.36ms. Allocated memory is still 132.1MB. Free memory was 84.0MB in the beginning and 82.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.42ms. Allocated memory is still 132.1MB. Free memory was 82.8MB in the beginning and 81.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 261.17ms. Allocated memory is still 132.1MB. Free memory was 81.3MB in the beginning and 72.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1491.82ms. Allocated memory was 132.1MB in the beginning and 188.7MB in the end (delta: 56.6MB). Free memory was 72.9MB in the beginning and 131.3MB in the end (delta: -58.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 40.96ms. Allocated memory is still 188.7MB. Free memory was 131.3MB in the beginning and 130.3MB in the end (delta: 1.1MB). 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 #t~nondet2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet0 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post1 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet0 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post1 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet0 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post1 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 1.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. 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: inital14 mio100 ax100 hnf100 lsp57 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq212 hnf93 smp100 dnf100 smp100 tf107 neg100 sie100 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 8 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 16]: Nontermination argument in form of an infinite program execution. [2023-11-23 22:32:04,946 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-23 22:32:04,947 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet0 could not be translated [2023-11-23 22:32:04,947 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post1 could not be translated [2023-11-23 22:32:04,947 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-23 22:32:04,948 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet0 could not be translated [2023-11-23 22:32:04,948 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post1 could not be translated [2023-11-23 22:32:04,948 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-23 22:32:04,949 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet0 could not be translated [2023-11-23 22:32:04,949 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post1 could not be translated [2023-11-23 22:32:04,949 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-23 22:32:04,949 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet0 could not be translated [2023-11-23 22:32:04,950 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post1 could not be translated [2023-11-23 22:32:04,950 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-23 22:32:04,950 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet0 could not be translated [2023-11-23 22:32:04,951 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post1 could not be translated [2023-11-23 22:32:04,951 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet2 could not be translated [2023-11-23 22:32:04,951 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet0 could not be translated [2023-11-23 22:32:04,952 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post1 could not be translated Nontermination argument in form of an infinite execution State at position 0 is {x=0, a=0, \result=0} State at position 1 is {x=0, a=34, \result=0} For i>1, the state at position i is {x=0 + sum_{k=0}^i 0, a=34 + sum_{k=0}^i 2 + -3, \result=0 + sum_{k=0}^i 0} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 2GEVs Lambdas: [1, 1, 0] Mus: [0, 1] - NonterminatingLassoResult [Line: 16]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L13] int a, x; [L14] x = __VERIFIER_nondet_int() [L15] a = 34 Loop: [L16] COND TRUE x==0 [L17] a-- [L18] EXPR x&a [L18] x=x&a End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-23 22:32:04,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e7003ca-63b1-444e-97c5-26f2c78ca3ff/bin/uautomizer-verify-zZY32mL2XJ/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)