./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/cggmp2005_variant.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff 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_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/cggmp2005_variant.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu --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 d63924edab54dab3adf6fc30d0dae54d46ed57e9ae48bc8d03de12421cfd3603 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:32:49,311 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:32:49,386 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:32:49,391 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:32:49,392 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:32:49,419 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:32:49,420 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:32:49,420 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:32:49,421 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:32:49,422 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:32:49,422 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:32:49,423 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:32:49,424 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:32:49,424 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:32:49,425 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:32:49,426 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:32:49,426 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:32:49,427 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:32:49,427 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:32:49,428 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:32:49,429 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:32:49,429 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:32:49,430 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:32:49,430 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:32:49,431 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:32:49,431 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:32:49,432 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:32:49,432 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:32:49,433 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:32:49,433 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:32:49,434 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:32:49,434 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:32:49,435 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:32:49,435 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:32:49,435 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:32:49,436 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:32:49,436 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d63924edab54dab3adf6fc30d0dae54d46ed57e9ae48bc8d03de12421cfd3603 [2023-11-19 07:32:49,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:32:49,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:32:49,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:32:49,732 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:32:49,732 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:32:49,734 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/loop-lit/cggmp2005_variant.i [2023-11-19 07:32:52,942 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:32:53,186 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:32:53,187 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/sv-benchmarks/c/loop-lit/cggmp2005_variant.i [2023-11-19 07:32:53,195 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/data/e72eeb059/340d9e2c32a74f5db72c3ffbe5ff8c65/FLAG1743a800c [2023-11-19 07:32:53,211 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/data/e72eeb059/340d9e2c32a74f5db72c3ffbe5ff8c65 [2023-11-19 07:32:53,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:32:53,215 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:32:53,217 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:32:53,217 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:32:53,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:32:53,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:32:53" (1/1) ... [2023-11-19 07:32:53,225 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1856057b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:53, skipping insertion in model container [2023-11-19 07:32:53,225 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:32:53" (1/1) ... [2023-11-19 07:32:53,249 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:32:53,451 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:32:53,467 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:32:53,491 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:32:53,506 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:32:53,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:53 WrapperNode [2023-11-19 07:32:53,507 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:32:53,508 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:32:53,509 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:32:53,509 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:32:53,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:53" (1/1) ... [2023-11-19 07:32:53,524 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:53" (1/1) ... [2023-11-19 07:32:53,545 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 38 [2023-11-19 07:32:53,546 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:32:53,547 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:32:53,547 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:32:53,548 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:32:53,557 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:53" (1/1) ... [2023-11-19 07:32:53,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:53" (1/1) ... [2023-11-19 07:32:53,560 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:53" (1/1) ... [2023-11-19 07:32:53,560 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:53" (1/1) ... [2023-11-19 07:32:53,564 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:53" (1/1) ... [2023-11-19 07:32:53,568 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:53" (1/1) ... [2023-11-19 07:32:53,569 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:53" (1/1) ... [2023-11-19 07:32:53,570 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:53" (1/1) ... [2023-11-19 07:32:53,571 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:32:53,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:32:53,573 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:32:53,573 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:32:53,574 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:53" (1/1) ... [2023-11-19 07:32:53,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:32:53,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:32:53,625 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:32:53,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:32:53,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:32:53,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:32:53,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:32:53,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:32:53,731 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:32:53,733 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:32:53,856 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:32:53,863 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:32:53,864 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:32:53,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:32:53 BoogieIcfgContainer [2023-11-19 07:32:53,867 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:32:53,869 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:32:53,869 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:32:53,873 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:32:53,874 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:32:53,874 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:32:53" (1/3) ... [2023-11-19 07:32:53,876 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c26373a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:32:53, skipping insertion in model container [2023-11-19 07:32:53,876 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:32:53,876 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:53" (2/3) ... [2023-11-19 07:32:53,877 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c26373a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:32:53, skipping insertion in model container [2023-11-19 07:32:53,877 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:32:53,877 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:32:53" (3/3) ... [2023-11-19 07:32:53,878 INFO L332 chiAutomizerObserver]: Analyzing ICFG cggmp2005_variant.i [2023-11-19 07:32:53,940 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:32:53,940 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:32:53,940 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:32:53,941 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:32:53,941 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:32:53,941 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:32:53,941 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:32:53,942 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:32:53,946 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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) [2023-11-19 07:32:53,965 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-19 07:32:53,965 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:32:53,966 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:32:53,971 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-19 07:32:53,971 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-19 07:32:53,971 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:32:53,972 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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) [2023-11-19 07:32:53,973 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-19 07:32:53,974 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:32:53,974 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:32:53,974 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-19 07:32:53,974 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-19 07:32:53,983 INFO L748 eck$LassoCheckResult]: Stem: 10#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_~lo~0#1, main_~mid~0#1, main_~hi~0#1;havoc main_~lo~0#1;havoc main_~mid~0#1;havoc main_~hi~0#1;main_~lo~0#1 := 0;havoc main_#t~nondet1#1;main_~mid~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 9#L28true assume !!(main_~mid~0#1 > 0 && main_~mid~0#1 <= 1000000);main_~hi~0#1 := 2 * main_~mid~0#1; 4#L30-2true [2023-11-19 07:32:53,984 INFO L750 eck$LassoCheckResult]: Loop: 4#L30-2true assume !!(main_~mid~0#1 > 0);main_~lo~0#1 := 1 + main_~lo~0#1;main_~hi~0#1 := main_~hi~0#1 - 1;main_~mid~0#1 := main_~mid~0#1 - 1; 4#L30-2true [2023-11-19 07:32:53,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:32:53,991 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2023-11-19 07:32:54,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:32:54,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503124045] [2023-11-19 07:32:54,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:32:54,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:32:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:32:54,104 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:32:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:32:54,133 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:32:54,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:32:54,136 INFO L85 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 1 times [2023-11-19 07:32:54,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:32:54,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130353460] [2023-11-19 07:32:54,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:32:54,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:32:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:32:54,146 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:32:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:32:54,152 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:32:54,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:32:54,154 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2023-11-19 07:32:54,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:32:54,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849988358] [2023-11-19 07:32:54,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:32:54,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:32:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:32:54,169 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:32:54,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:32:54,181 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:32:54,303 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:32:54,307 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:32:54,307 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:32:54,308 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:32:54,308 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:32:54,308 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:32:54,308 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:32:54,308 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:32:54,309 INFO L133 ssoRankerPreferences]: Filename of dumped script: cggmp2005_variant.i_Iteration1_Loop [2023-11-19 07:32:54,309 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:32:54,309 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:32:54,328 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:32:54,343 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:32:54,350 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:32:54,460 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:32:54,461 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:32:54,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:32:54,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:32:54,473 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:32:54,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-19 07:32:54,479 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:32:54,480 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:32:54,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:32:54,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:32:54,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:32:54,521 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:32:54,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-19 07:32:54,528 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:32:54,528 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:32:54,588 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:32:54,589 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~lo~0#1=0} Honda state: {ULTIMATE.start_main_~lo~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~lo~0#1=0}, {ULTIMATE.start_main_~lo~0#1=1}, {ULTIMATE.start_main_~lo~0#1=0}] Lambdas: [9, 1, 0] Nus: [0, 0] [2023-11-19 07:32:54,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:32:54,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:32:54,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:32:54,615 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:32:54,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-19 07:32:54,620 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:32:54,620 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:32:54,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:32:54,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:32:54,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:32:54,649 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:32:54,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-19 07:32:54,654 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:32:54,654 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:32:54,687 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:32:54,688 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~hi~0#1=0} Honda state: {ULTIMATE.start_main_~hi~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~hi~0#1=1}, {ULTIMATE.start_main_~hi~0#1=2}, {ULTIMATE.start_main_~hi~0#1=-4}] Lambdas: [1, 3, 1] Nus: [0, 1] [2023-11-19 07:32:54,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:32:54,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:32:54,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:32:54,714 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:32:54,720 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:32:54,720 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:32:54,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-19 07:32:54,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:32:54,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:32:54,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:32:54,774 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:32:54,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-19 07:32:54,781 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:32:54,781 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:32:54,825 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:32:54,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:32:54,833 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:32:54,833 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:32:54,833 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:32:54,833 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:32:54,833 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:32:54,834 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:32:54,834 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:32:54,834 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:32:54,834 INFO L133 ssoRankerPreferences]: Filename of dumped script: cggmp2005_variant.i_Iteration1_Loop [2023-11-19 07:32:54,834 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:32:54,834 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:32:54,836 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:32:54,842 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:32:54,847 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:32:54,894 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:32:54,903 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:32:54,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:32:54,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:32:54,907 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:32:54,911 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 [2023-11-19 07:32:54,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:32:54,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:32:54,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:32:54,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:32:54,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:32:54,929 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:32:54,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:32:54,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-19 07:32:54,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:32:54,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-19 07:32:54,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:32:54,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:32:54,970 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:32:54,973 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 [2023-11-19 07:32:54,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:32:54,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:32:54,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:32:54,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:32:54,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:32:54,988 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:32:54,988 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:32:54,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-19 07:32:55,011 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:32:55,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-19 07:32:55,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:32:55,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:32:55,030 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:32:55,032 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 [2023-11-19 07:32:55,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-19 07:32:55,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:32:55,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:32:55,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:32:55,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:32:55,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:32:55,048 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:32:55,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:32:55,062 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:32:55,067 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-19 07:32:55,067 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-19 07:32:55,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:32:55,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:32:55,113 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:32:55,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-19 07:32:55,115 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:32:55,115 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:32:55,116 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:32:55,116 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~mid~0#1) = 1*ULTIMATE.start_main_~mid~0#1 Supporting invariants [] [2023-11-19 07:32:55,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-19 07:32:55,131 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:32:55,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:32:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:32:55,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:32:55,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:32:55,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:32:55,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:32:55,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:32:55,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:32:55,243 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-11-19 07:32:55,245 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2023-11-19 07:32:55,288 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 31 states and 38 transitions. Complement of second has 6 states. [2023-11-19 07:32:55,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-19 07:32:55,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2023-11-19 07:32:55,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 26 transitions. [2023-11-19 07:32:55,298 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 3 letters. Loop has 1 letters. [2023-11-19 07:32:55,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:32:55,300 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 4 letters. Loop has 1 letters. [2023-11-19 07:32:55,300 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:32:55,300 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 3 letters. Loop has 2 letters. [2023-11-19 07:32:55,300 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:32:55,301 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. [2023-11-19 07:32:55,305 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:32:55,308 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 0 states and 0 transitions. [2023-11-19 07:32:55,309 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-19 07:32:55,309 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-19 07:32:55,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-19 07:32:55,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:32:55,310 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:32:55,310 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:32:55,310 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:32:55,310 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:32:55,310 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:32:55,310 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:32:55,311 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-19 07:32:55,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:32:55 BoogieIcfgContainer [2023-11-19 07:32:55,318 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:32:55,319 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:32:55,319 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:32:55,320 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:32:55,320 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:32:53" (3/4) ... [2023-11-19 07:32:55,323 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:32:55,324 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:32:55,325 INFO L158 Benchmark]: Toolchain (without parser) took 2109.54ms. Allocated memory was 151.0MB in the beginning and 222.3MB in the end (delta: 71.3MB). Free memory was 104.2MB in the beginning and 168.8MB in the end (delta: -64.6MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2023-11-19 07:32:55,326 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 151.0MB. Free memory is still 121.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:32:55,326 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.57ms. Allocated memory is still 151.0MB. Free memory was 103.6MB in the beginning and 93.7MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 07:32:55,327 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.58ms. Allocated memory is still 151.0MB. Free memory was 93.7MB in the beginning and 92.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:32:55,328 INFO L158 Benchmark]: Boogie Preprocessor took 25.08ms. Allocated memory is still 151.0MB. Free memory was 92.2MB in the beginning and 91.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:32:55,329 INFO L158 Benchmark]: RCFGBuilder took 295.25ms. Allocated memory is still 151.0MB. Free memory was 91.0MB in the beginning and 81.7MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 07:32:55,329 INFO L158 Benchmark]: BuchiAutomizer took 1449.93ms. Allocated memory was 151.0MB in the beginning and 222.3MB in the end (delta: 71.3MB). Free memory was 81.7MB in the beginning and 169.9MB in the end (delta: -88.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:32:55,330 INFO L158 Benchmark]: Witness Printer took 4.87ms. Allocated memory is still 222.3MB. Free memory was 169.9MB in the beginning and 168.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:32:55,334 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 151.0MB. Free memory is still 121.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.57ms. Allocated memory is still 151.0MB. Free memory was 103.6MB in the beginning and 93.7MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.58ms. Allocated memory is still 151.0MB. Free memory was 93.7MB in the beginning and 92.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.08ms. Allocated memory is still 151.0MB. Free memory was 92.2MB in the beginning and 91.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 295.25ms. Allocated memory is still 151.0MB. Free memory was 91.0MB in the beginning and 81.7MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1449.93ms. Allocated memory was 151.0MB in the beginning and 222.3MB in the end (delta: 71.3MB). Free memory was 81.7MB in the beginning and 169.9MB in the end (delta: -88.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.87ms. Allocated memory is still 222.3MB. Free memory was 169.9MB in the beginning and 168.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function mid and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 12 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp50 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 40ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-19 07:32:55,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-19 07:32:55,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c833c1d-2489-41f3-86ad-42d066ecb05c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE