./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/trex04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/trex04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f70ffe9cd45c37f44e9e780e31340fab45b6a2fb7f7ef23a2d90faf4241229d6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:23:31,100 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:23:31,160 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-29 00:23:31,164 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:23:31,165 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:23:31,185 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:23:31,186 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:23:31,186 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:23:31,187 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 00:23:31,188 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 00:23:31,188 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:23:31,189 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:23:31,189 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:23:31,190 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 00:23:31,191 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 00:23:31,191 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 00:23:31,192 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 00:23:31,192 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 00:23:31,193 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 00:23:31,193 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:23:31,194 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 00:23:31,194 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 00:23:31,195 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 00:23:31,195 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 00:23:31,196 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:23:31,196 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 00:23:31,197 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 00:23:31,197 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 00:23:31,197 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 00:23:31,198 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 00:23:31,198 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:23:31,199 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 00:23:31,199 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:23:31,199 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:23:31,199 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:23:31,200 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:23:31,200 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 00:23:31,200 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 00:23:31,200 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_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f70ffe9cd45c37f44e9e780e31340fab45b6a2fb7f7ef23a2d90faf4241229d6 [2023-11-29 00:23:31,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:23:31,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:23:31,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:23:31,433 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:23:31,433 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:23:31,435 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/loops/trex04.c [2023-11-29 00:23:34,221 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:23:34,375 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:23:34,376 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/sv-benchmarks/c/loops/trex04.c [2023-11-29 00:23:34,382 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/data/31b2b211d/8a55a26507644b44b7d1f7d8244fb9f1/FLAGec1ce8e8d [2023-11-29 00:23:34,395 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/data/31b2b211d/8a55a26507644b44b7d1f7d8244fb9f1 [2023-11-29 00:23:34,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:23:34,400 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:23:34,401 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:23:34,401 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:23:34,406 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:23:34,406 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:23:34" (1/1) ... [2023-11-29 00:23:34,407 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dfc6d57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:23:34, skipping insertion in model container [2023-11-29 00:23:34,407 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:23:34" (1/1) ... [2023-11-29 00:23:34,428 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:23:34,558 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:23:34,567 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:23:34,582 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:23:34,593 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:23:34,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:23:34 WrapperNode [2023-11-29 00:23:34,594 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:23:34,595 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:23:34,595 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:23:34,595 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:23:34,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:23:34" (1/1) ... [2023-11-29 00:23:34,606 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:23:34" (1/1) ... [2023-11-29 00:23:34,622 INFO L138 Inliner]: procedures = 16, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 81 [2023-11-29 00:23:34,622 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:23:34,623 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:23:34,623 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:23:34,623 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:23:34,631 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:23:34" (1/1) ... [2023-11-29 00:23:34,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:23:34" (1/1) ... [2023-11-29 00:23:34,632 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:23:34" (1/1) ... [2023-11-29 00:23:34,644 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 00:23:34,645 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:23:34" (1/1) ... [2023-11-29 00:23:34,645 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:23:34" (1/1) ... [2023-11-29 00:23:34,649 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:23:34" (1/1) ... [2023-11-29 00:23:34,653 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:23:34" (1/1) ... [2023-11-29 00:23:34,654 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:23:34" (1/1) ... [2023-11-29 00:23:34,655 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:23:34" (1/1) ... [2023-11-29 00:23:34,657 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:23:34,657 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:23:34,658 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:23:34,658 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:23:34,659 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:23:34" (1/1) ... [2023-11-29 00:23:34,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:23:34,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:23:34,684 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:23:34,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 00:23:34,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:23:34,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 00:23:34,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:23:34,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:23:34,795 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:23:34,797 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:23:34,932 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:23:34,941 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:23:34,942 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 00:23:34,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:23:34 BoogieIcfgContainer [2023-11-29 00:23:34,944 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:23:34,945 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 00:23:34,945 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 00:23:34,949 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 00:23:34,950 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 00:23:34,950 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 12:23:34" (1/3) ... [2023-11-29 00:23:34,951 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@547783ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 12:23:34, skipping insertion in model container [2023-11-29 00:23:34,952 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 00:23:34,952 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:23:34" (2/3) ... [2023-11-29 00:23:34,952 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@547783ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 12:23:34, skipping insertion in model container [2023-11-29 00:23:34,952 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 00:23:34,953 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:23:34" (3/3) ... [2023-11-29 00:23:34,954 INFO L332 chiAutomizerObserver]: Analyzing ICFG trex04.c [2023-11-29 00:23:35,009 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 00:23:35,010 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 00:23:35,010 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 00:23:35,010 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 00:23:35,010 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 00:23:35,010 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 00:23:35,010 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 00:23:35,011 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 00:23:35,015 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 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) [2023-11-29 00:23:35,031 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-29 00:23:35,032 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 00:23:35,032 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 00:23:35,036 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:23:35,036 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-29 00:23:35,036 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 00:23:35,037 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 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) [2023-11-29 00:23:35,039 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-29 00:23:35,039 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 00:23:35,039 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 00:23:35,040 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:23:35,040 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-29 00:23:35,047 INFO L748 eck$LassoCheckResult]: Stem: 20#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_~d~0#1, main_~x~0#1, main_~c1~1#1, main_~c2~1#1;main_~d~0#1 := 1;havoc main_#t~nondet8#1;main_~x~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 8#L31true assume !!(main_~x~0#1 <= 1000000 && main_~x~0#1 >= -1000000);havoc main_#t~nondet9#1;main_~c1~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;main_~c2~1#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 17#L34true assume !(0 != main_~c1~1#1 % 256); 11#L34-2true assume !(0 != main_~c2~1#1 % 256); 14#L35-1true havoc main_#t~nondet11#1;main_~c1~1#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;main_~c2~1#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 24#L39true assume !(0 != main_~c1~1#1 % 256); 16#L39-2true assume !(0 != main_~c2~1#1 % 256); 4#L42-1true [2023-11-29 00:23:35,048 INFO L750 eck$LassoCheckResult]: Loop: 4#L42-1true assume !!(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - main_~d~0#1; 4#L42-1true [2023-11-29 00:23:35,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:23:35,054 INFO L85 PathProgramCache]: Analyzing trace with hash 179996080, now seen corresponding path program 1 times [2023-11-29 00:23:35,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:23:35,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644887912] [2023-11-29 00:23:35,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:23:35,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:23:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:23:35,161 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:23:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:23:35,192 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:23:35,194 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:23:35,195 INFO L85 PathProgramCache]: Analyzing trace with hash 97, now seen corresponding path program 1 times [2023-11-29 00:23:35,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:23:35,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390311953] [2023-11-29 00:23:35,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:23:35,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:23:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:23:35,202 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:23:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:23:35,207 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:23:35,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:23:35,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1284911250, now seen corresponding path program 1 times [2023-11-29 00:23:35,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:23:35,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087524300] [2023-11-29 00:23:35,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:23:35,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:23:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:23:35,225 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:23:35,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:23:35,240 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:23:35,551 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 00:23:35,552 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 00:23:35,552 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 00:23:35,552 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 00:23:35,552 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 00:23:35,553 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:23:35,553 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 00:23:35,553 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 00:23:35,553 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex04.c_Iteration1_Lasso [2023-11-29 00:23:35,553 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 00:23:35,553 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 00:23:35,570 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 00:23:35,595 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 00:23:35,599 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 00:23:35,617 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 00:23:35,642 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 00:23:35,645 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 00:23:35,658 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 00:23:35,660 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 00:23:35,663 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 00:23:35,666 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 00:23:35,670 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 00:23:35,672 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 00:23:35,676 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 00:23:35,902 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 00:23:35,905 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 00:23:35,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:23:35,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:23:35,908 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:23:35,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-29 00:23:35,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 00:23:35,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 00:23:35,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 00:23:35,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 00:23:35,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 00:23:35,937 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 00:23:35,937 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 00:23:35,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 00:23:35,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-29 00:23:35,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:23:35,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:23:35,954 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:23:35,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-29 00:23:35,957 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 00:23:35,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 00:23:35,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 00:23:35,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 00:23:35,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 00:23:35,974 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 00:23:35,975 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 00:23:35,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 00:23:35,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-29 00:23:35,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:23:35,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:23:35,985 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:23:35,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-29 00:23:35,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 00:23:36,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 00:23:36,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 00:23:36,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 00:23:36,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 00:23:36,005 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 00:23:36,005 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 00:23:36,010 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 00:23:36,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-29 00:23:36,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:23:36,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:23:36,014 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:23:36,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-29 00:23:36,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 00:23:36,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 00:23:36,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 00:23:36,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 00:23:36,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 00:23:36,031 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 00:23:36,031 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 00:23:36,036 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 00:23:36,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-29 00:23:36,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:23:36,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:23:36,041 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:23:36,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-29 00:23:36,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 00:23:36,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 00:23:36,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 00:23:36,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 00:23:36,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 00:23:36,060 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 00:23:36,060 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 00:23:36,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 00:23:36,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-29 00:23:36,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:23:36,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:23:36,075 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:23:36,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-29 00:23:36,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 00:23:36,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 00:23:36,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 00:23:36,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 00:23:36,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 00:23:36,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 00:23:36,093 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 00:23:36,098 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 00:23:36,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-29 00:23:36,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:23:36,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:23:36,107 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:23:36,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-29 00:23:36,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 00:23:36,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 00:23:36,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 00:23:36,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 00:23:36,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 00:23:36,130 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 00:23:36,130 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 00:23:36,134 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 00:23:36,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-29 00:23:36,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:23:36,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:23:36,139 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:23:36,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-29 00:23:36,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 00:23:36,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 00:23:36,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 00:23:36,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 00:23:36,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 00:23:36,160 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 00:23:36,160 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 00:23:36,164 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 00:23:36,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-29 00:23:36,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:23:36,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:23:36,169 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:23:36,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-29 00:23:36,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 00:23:36,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 00:23:36,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 00:23:36,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 00:23:36,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 00:23:36,184 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 00:23:36,184 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 00:23:36,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 00:23:36,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-29 00:23:36,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:23:36,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:23:36,193 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:23:36,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-29 00:23:36,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 00:23:36,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 00:23:36,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 00:23:36,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 00:23:36,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 00:23:36,210 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 00:23:36,210 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 00:23:36,214 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 00:23:36,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-11-29 00:23:36,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:23:36,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:23:36,218 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:23:36,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-29 00:23:36,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 00:23:36,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 00:23:36,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 00:23:36,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 00:23:36,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 00:23:36,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 00:23:36,232 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 00:23:36,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 00:23:36,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 00:23:36,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-11-29 00:23:36,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:23:36,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:23:36,237 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:23:36,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-29 00:23:36,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 00:23:36,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 00:23:36,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 00:23:36,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 00:23:36,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 00:23:36,261 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 00:23:36,261 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 00:23:36,269 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 00:23:36,294 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-11-29 00:23:36,294 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-11-29 00:23:36,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 00:23:36,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:23:36,326 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 00:23:36,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-29 00:23:36,328 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 00:23:36,339 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-29 00:23:36,340 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 00:23:36,340 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [1*ULTIMATE.start_main_~d~0#1 - 1 >= 0] [2023-11-29 00:23:36,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-29 00:23:36,350 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2023-11-29 00:23:36,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:23:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:23:36,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 00:23:36,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:23:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:23:36,461 WARN L260 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 00:23:36,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:23:36,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:23:36,493 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2023-11-29 00:23:36,494 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 23 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-11-29 00:23:36,576 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 23 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 67 states and 97 transitions. Complement of second has 8 states. [2023-11-29 00:23:36,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 1 non-accepting loop states 2 accepting loop states [2023-11-29 00:23:36,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-11-29 00:23:36,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 68 transitions. [2023-11-29 00:23:36,586 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 68 transitions. Stem has 8 letters. Loop has 1 letters. [2023-11-29 00:23:36,587 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 00:23:36,587 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 68 transitions. Stem has 9 letters. Loop has 1 letters. [2023-11-29 00:23:36,587 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 00:23:36,587 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 68 transitions. Stem has 8 letters. Loop has 2 letters. [2023-11-29 00:23:36,587 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 00:23:36,588 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 97 transitions. [2023-11-29 00:23:36,593 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2023-11-29 00:23:36,596 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 28 states and 42 transitions. [2023-11-29 00:23:36,597 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2023-11-29 00:23:36,597 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2023-11-29 00:23:36,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 42 transitions. [2023-11-29 00:23:36,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:23:36,598 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 42 transitions. [2023-11-29 00:23:36,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 42 transitions. [2023-11-29 00:23:36,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2023-11-29 00:23:36,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.56) internal successors, (39), 24 states have internal predecessors, (39), 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) [2023-11-29 00:23:36,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 39 transitions. [2023-11-29 00:23:36,617 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 39 transitions. [2023-11-29 00:23:36,617 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 39 transitions. [2023-11-29 00:23:36,617 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 00:23:36,617 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 39 transitions. [2023-11-29 00:23:36,618 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-29 00:23:36,618 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 00:23:36,618 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 00:23:36,619 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:23:36,619 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-29 00:23:36,620 INFO L748 eck$LassoCheckResult]: Stem: 174#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 165#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_~d~0#1, main_~x~0#1, main_~c1~1#1, main_~c2~1#1;main_~d~0#1 := 1;havoc main_#t~nondet8#1;main_~x~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 163#L31 assume !!(main_~x~0#1 <= 1000000 && main_~x~0#1 >= -1000000);havoc main_#t~nondet9#1;main_~c1~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;main_~c2~1#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 164#L34 assume 0 != main_~c1~1#1 % 256;main_~d~0#1 := main_~d~0#1 - 1; 168#L34-2 assume !(0 != main_~c2~1#1 % 256); 170#L35-1 havoc main_#t~nondet11#1;main_~c1~1#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;main_~c2~1#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 171#L39 assume !(0 != main_~c1~1#1 % 256); 162#L39-2 assume !(0 != main_~c2~1#1 % 256); 159#L42-1 [2023-11-29 00:23:36,620 INFO L750 eck$LassoCheckResult]: Loop: 159#L42-1 assume !!(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - main_~d~0#1; 159#L42-1 [2023-11-29 00:23:36,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:23:36,620 INFO L85 PathProgramCache]: Analyzing trace with hash 178149038, now seen corresponding path program 1 times [2023-11-29 00:23:36,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:23:36,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591662641] [2023-11-29 00:23:36,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:23:36,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:23:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:23:36,633 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:23:36,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:23:36,643 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:23:36,644 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:23:36,644 INFO L85 PathProgramCache]: Analyzing trace with hash 97, now seen corresponding path program 2 times [2023-11-29 00:23:36,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:23:36,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046115790] [2023-11-29 00:23:36,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:23:36,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:23:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:23:36,647 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:23:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:23:36,650 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:23:36,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:23:36,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1227652948, now seen corresponding path program 1 times [2023-11-29 00:23:36,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:23:36,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601135401] [2023-11-29 00:23:36,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:23:36,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:23:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:23:36,661 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:23:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:23:36,671 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:23:36,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-29 00:23:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:23:36,860 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:23:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:23:36,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 12:23:36 BoogieIcfgContainer [2023-11-29 00:23:36,892 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 00:23:36,893 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 00:23:36,893 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 00:23:36,893 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 00:23:36,893 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:23:34" (3/4) ... [2023-11-29 00:23:36,895 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-29 00:23:36,931 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 00:23:36,931 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 00:23:36,932 INFO L158 Benchmark]: Toolchain (without parser) took 2532.45ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 113.0MB in the beginning and 138.5MB in the end (delta: -25.6MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2023-11-29 00:23:36,933 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 151.0MB. Free memory is still 125.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:23:36,933 INFO L158 Benchmark]: CACSL2BoogieTranslator took 192.88ms. Allocated memory is still 151.0MB. Free memory was 112.5MB in the beginning and 102.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 00:23:36,934 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.68ms. Allocated memory is still 151.0MB. Free memory was 102.0MB in the beginning and 100.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:23:36,934 INFO L158 Benchmark]: Boogie Preprocessor took 34.01ms. Allocated memory is still 151.0MB. Free memory was 100.4MB in the beginning and 98.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:23:36,934 INFO L158 Benchmark]: RCFGBuilder took 286.87ms. Allocated memory is still 151.0MB. Free memory was 98.7MB in the beginning and 87.8MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 00:23:36,935 INFO L158 Benchmark]: BuchiAutomizer took 1947.03ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 87.8MB in the beginning and 140.6MB in the end (delta: -52.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:23:36,935 INFO L158 Benchmark]: Witness Printer took 38.76ms. Allocated memory is still 188.7MB. Free memory was 139.6MB in the beginning and 138.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:23:36,938 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 151.0MB. Free memory is still 125.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 192.88ms. Allocated memory is still 151.0MB. Free memory was 112.5MB in the beginning and 102.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.68ms. Allocated memory is still 151.0MB. Free memory was 102.0MB in the beginning and 100.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.01ms. Allocated memory is still 151.0MB. Free memory was 100.4MB in the beginning and 98.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 286.87ms. Allocated memory is still 151.0MB. Free memory was 98.7MB in the beginning and 87.8MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 1947.03ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 87.8MB in the beginning and 140.6MB in the end (delta: -52.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 38.76ms. Allocated memory is still 188.7MB. Free memory was 139.6MB in the beginning and 138.5MB 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.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function x and consists of 6 locations. The remainder module has 25 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 56 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 56 mSDsluCounter, 76 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 50 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital83 mio100 ax100 hnf100 lsp26 ukn95 mio100 lsp100 div209 bol100 ite100 ukn100 eq145 hnf95 smp47 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 37ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 42]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L29] int d = 1; [L30] int x = __VERIFIER_nondet_int(); [L31] COND FALSE !(!(x <= 1000000 && x >= -1000000)) [L32] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L32] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L34] COND TRUE \read(c1) [L34] d = d - 1 VAL [c1=-1, d=0, x=1] [L35] COND FALSE !(\read(c2)) VAL [c1=-1, c2=0, d=0, x=1] [L37] c1=__VERIFIER_nondet_bool() [L37] c2=__VERIFIER_nondet_bool() [L39] COND FALSE !(\read(c1)) VAL [c1=0, d=0, x=1] [L40] COND FALSE !(\read(c2)) VAL [c1=0, c2=0, d=0, x=1] Loop: [L42] COND TRUE x>0 [L44] x=x-d End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 42]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L29] int d = 1; [L30] int x = __VERIFIER_nondet_int(); [L31] COND FALSE !(!(x <= 1000000 && x >= -1000000)) [L32] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L32] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L34] COND TRUE \read(c1) [L34] d = d - 1 VAL [c1=-1, d=0, x=1] [L35] COND FALSE !(\read(c2)) VAL [c1=-1, c2=0, d=0, x=1] [L37] c1=__VERIFIER_nondet_bool() [L37] c2=__VERIFIER_nondet_bool() [L39] COND FALSE !(\read(c1)) VAL [c1=0, d=0, x=1] [L40] COND FALSE !(\read(c2)) VAL [c1=0, c2=0, d=0, x=1] Loop: [L42] COND TRUE x>0 [L44] x=x-d End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-29 00:23:36,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226b1c00-a370-45d2-9cd0-6c6af3b3f0d1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)