./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/terminator_03-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e7bb482b 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_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/terminator_03-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 29dc9e3729c830d8e3c5d3b9c1192e2e5ef8005db44043b0e7499e254bae8165 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:35:25,630 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:35:25,760 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-06 22:35:25,766 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:35:25,770 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:35:25,812 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:35:25,815 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:35:25,816 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:35:25,817 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:35:25,823 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:35:25,825 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:35:25,825 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 22:35:25,826 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 22:35:25,828 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 22:35:25,828 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 22:35:25,829 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 22:35:25,830 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 22:35:25,831 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:35:25,831 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 22:35:25,832 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:35:25,834 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:35:25,834 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:35:25,835 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:35:25,835 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 22:35:25,836 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 22:35:25,836 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 22:35:25,837 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:35:25,837 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:35:25,838 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:35:25,838 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 22:35:25,840 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:35:25,840 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:35:25,841 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:35:25,841 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:35:25,842 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:35:25,842 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 22:35:25,843 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_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29dc9e3729c830d8e3c5d3b9c1192e2e5ef8005db44043b0e7499e254bae8165 [2023-11-06 22:35:26,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:35:26,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:35:26,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:35:26,198 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:35:26,199 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:35:26,200 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/loops/terminator_03-2.i [2023-11-06 22:35:30,063 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:35:30,316 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:35:30,317 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/sv-benchmarks/c/loops/terminator_03-2.i [2023-11-06 22:35:30,327 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/data/951160967/556031e90a9d4b729c269d67984591f4/FLAG61fc1f932 [2023-11-06 22:35:30,346 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/data/951160967/556031e90a9d4b729c269d67984591f4 [2023-11-06 22:35:30,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:35:30,351 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:35:30,353 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:35:30,354 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:35:30,361 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:35:30,362 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:35:30" (1/1) ... [2023-11-06 22:35:30,363 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79e81a5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:30, skipping insertion in model container [2023-11-06 22:35:30,364 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:35:30" (1/1) ... [2023-11-06 22:35:30,391 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:35:30,620 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:35:30,634 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:35:30,651 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:35:30,669 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:35:30,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:30 WrapperNode [2023-11-06 22:35:30,670 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:35:30,671 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:35:30,671 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:35:30,672 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:35:30,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:30" (1/1) ... [2023-11-06 22:35:30,689 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:30" (1/1) ... [2023-11-06 22:35:30,713 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 35 [2023-11-06 22:35:30,714 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:35:30,715 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:35:30,715 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:35:30,715 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:35:30,725 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:30" (1/1) ... [2023-11-06 22:35:30,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:30" (1/1) ... [2023-11-06 22:35:30,728 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:30" (1/1) ... [2023-11-06 22:35:30,728 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:30" (1/1) ... [2023-11-06 22:35:30,731 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:30" (1/1) ... [2023-11-06 22:35:30,736 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:30" (1/1) ... [2023-11-06 22:35:30,738 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:30" (1/1) ... [2023-11-06 22:35:30,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:30" (1/1) ... [2023-11-06 22:35:30,741 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:35:30,743 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:35:30,743 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:35:30,743 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:35:30,744 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:30" (1/1) ... [2023-11-06 22:35:30,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:35:30,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:35:30,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:35:30,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 22:35:30,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:35:30,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:35:30,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:35:30,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:35:30,950 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:35:30,953 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:35:31,167 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:35:31,174 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:35:31,175 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:35:31,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:35:31 BoogieIcfgContainer [2023-11-06 22:35:31,177 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:35:31,179 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 22:35:31,179 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 22:35:31,184 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 22:35:31,185 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:35:31,185 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 10:35:30" (1/3) ... [2023-11-06 22:35:31,187 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13e8be62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:35:31, skipping insertion in model container [2023-11-06 22:35:31,187 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:35:31,187 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:30" (2/3) ... [2023-11-06 22:35:31,188 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13e8be62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:35:31, skipping insertion in model container [2023-11-06 22:35:31,188 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:35:31,188 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:35:31" (3/3) ... [2023-11-06 22:35:31,190 INFO L332 chiAutomizerObserver]: Analyzing ICFG terminator_03-2.i [2023-11-06 22:35:31,264 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 22:35:31,265 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 22:35:31,265 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 22:35:31,265 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 22:35:31,265 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 22:35:31,266 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 22:35:31,266 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 22:35:31,268 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 22:35:31,273 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 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) [2023-11-06 22:35:31,298 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-06 22:35:31,298 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:35:31,298 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:35:31,306 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-06 22:35:31,307 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-06 22:35:31,308 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-06 22:35:31,309 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 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) [2023-11-06 22:35:31,315 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-06 22:35:31,316 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:35:31,316 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:35:31,317 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-06 22:35:31,317 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-06 22:35:31,333 INFO L748 eck$LassoCheckResult]: Stem: 12#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1;havoc main_#t~nondet1#1;main_~x~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~y~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 11#L28true assume !!(main_~y~0#1 <= 1000000); 5#L29true assume main_~y~0#1 > 0; 4#L30-2true [2023-11-06 22:35:31,333 INFO L750 eck$LassoCheckResult]: Loop: 4#L30-2true assume !!(main_~x~0#1 < 100);main_~x~0#1 := main_~x~0#1 + main_~y~0#1; 4#L30-2true [2023-11-06 22:35:31,345 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:35:31,346 INFO L85 PathProgramCache]: Analyzing trace with hash 925670, now seen corresponding path program 1 times [2023-11-06 22:35:31,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:35:31,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777750234] [2023-11-06 22:35:31,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:35:31,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:35:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:35:31,528 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:35:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:35:31,562 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:35:31,565 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:35:31,566 INFO L85 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times [2023-11-06 22:35:31,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:35:31,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697297486] [2023-11-06 22:35:31,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:35:31,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:35:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:35:31,578 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:35:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:35:31,583 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:35:31,585 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:35:31,586 INFO L85 PathProgramCache]: Analyzing trace with hash 28695789, now seen corresponding path program 1 times [2023-11-06 22:35:31,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:35:31,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466240105] [2023-11-06 22:35:31,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:35:31,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:35:31,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:35:31,602 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:35:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:35:31,614 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:35:31,857 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:35:31,858 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:35:31,858 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:35:31,858 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:35:31,858 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:35:31,859 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:35:31,859 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:35:31,859 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:35:31,859 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_03-2.i_Iteration1_Lasso [2023-11-06 22:35:31,859 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:35:31,860 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:35:31,888 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:35:31,901 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:35:31,931 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:35:31,936 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:35:31,951 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:35:31,974 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:35:31,990 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:35:31,994 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:35:32,201 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:35:32,207 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:35:32,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:35:32,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:35:32,213 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:35:32,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-06 22:35:32,236 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 [2023-11-06 22:35:32,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:35:32,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:35:32,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:35:32,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:35:32,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:35:32,257 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:35:32,257 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:35:32,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:35:32,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:35:32,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:35:32,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:35:32,276 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:35:32,289 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 [2023-11-06 22:35:32,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-06 22:35:32,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:35:32,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:35:32,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:35:32,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:35:32,312 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:35:32,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:35:32,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:35:32,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:35:32,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:35:32,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:35:32,351 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:35:32,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-06 22:35:32,356 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 [2023-11-06 22:35:32,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:35:32,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:35:32,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:35:32,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:35:32,381 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:35:32,381 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:35:32,395 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:35:32,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:35:32,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:35:32,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:35:32,408 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:35:32,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-06 22:35:32,421 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 [2023-11-06 22:35:32,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:35:32,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:35:32,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:35:32,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:35:32,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:35:32,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:35:32,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:35:32,457 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:35:32,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:35:32,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:35:32,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:35:32,465 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:35:32,469 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 [2023-11-06 22:35:32,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-06 22:35:32,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:35:32,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:35:32,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:35:32,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:35:32,489 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:35:32,490 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:35:32,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:35:32,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:35:32,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:35:32,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:35:32,515 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:35:32,525 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 [2023-11-06 22:35:32,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-06 22:35:32,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:35:32,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:35:32,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:35:32,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:35:32,551 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:35:32,551 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:35:32,569 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:35:32,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:35:32,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:35:32,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:35:32,577 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:35:32,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-06 22:35:32,582 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 [2023-11-06 22:35:32,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:35:32,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:35:32,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:35:32,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:35:32,609 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:35:32,609 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:35:32,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:35:32,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:35:32,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:35:32,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:35:32,651 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:35:32,662 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 [2023-11-06 22:35:32,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-06 22:35:32,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:35:32,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:35:32,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:35:32,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:35:32,682 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:35:32,682 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:35:32,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:35:32,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:35:32,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:35:32,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:35:32,707 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:35:32,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-06 22:35:32,713 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 [2023-11-06 22:35:32,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:35:32,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:35:32,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:35:32,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:35:32,735 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:35:32,735 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:35:32,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:35:32,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:35:32,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:35:32,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:35:32,755 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:35:32,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-06 22:35:32,776 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 [2023-11-06 22:35:32,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:35:32,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:35:32,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:35:32,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:35:32,795 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:35:32,795 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:35:32,819 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:35:32,832 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-11-06 22:35:32,833 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2023-11-06 22:35:32,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:35:32,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:35:32,852 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:35:32,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-06 22:35:32,856 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:35:32,892 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-06 22:35:32,892 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:35:32,893 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = -2*ULTIMATE.start_main_~x~0#1 + 199 Supporting invariants [1*ULTIMATE.start_main_~y~0#1 - 1 >= 0] [2023-11-06 22:35:32,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:35:32,923 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2023-11-06 22:35:32,976 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:35:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:32,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:35:32,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:35:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:35:33,022 WARN L260 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:35:33,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:35:33,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:35:33,084 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 [2023-11-06 22:35:33,086 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 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 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2023-11-06 22:35:33,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-11-06 22:35:33,227 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 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 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 38 states and 48 transitions. Complement of second has 6 states. [2023-11-06 22:35:33,231 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 [2023-11-06 22:35:33,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2023-11-06 22:35:33,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 35 transitions. [2023-11-06 22:35:33,240 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 35 transitions. Stem has 4 letters. Loop has 1 letters. [2023-11-06 22:35:33,242 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:35:33,242 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 35 transitions. Stem has 5 letters. Loop has 1 letters. [2023-11-06 22:35:33,242 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:35:33,243 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 35 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-06 22:35:33,243 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:35:33,244 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 48 transitions. [2023-11-06 22:35:33,248 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 22:35:33,252 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 0 states and 0 transitions. [2023-11-06 22:35:33,254 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-06 22:35:33,254 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-06 22:35:33,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-06 22:35:33,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:35:33,255 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:35:33,255 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:35:33,255 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:35:33,256 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-06 22:35:33,256 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:35:33,256 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 22:35:33,256 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-06 22:35:33,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.11 10:35:33 BoogieIcfgContainer [2023-11-06 22:35:33,266 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-06 22:35:33,267 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:35:33,267 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:35:33,267 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:35:33,268 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:35:31" (3/4) ... [2023-11-06 22:35:33,270 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:35:33,272 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:35:33,273 INFO L158 Benchmark]: Toolchain (without parser) took 2921.20ms. Allocated memory is still 140.5MB. Free memory was 96.1MB in the beginning and 106.6MB in the end (delta: -10.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:35:33,273 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 102.8MB. Free memory was 54.6MB in the beginning and 54.4MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:35:33,274 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.02ms. Allocated memory is still 140.5MB. Free memory was 95.9MB in the beginning and 85.6MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:35:33,275 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.78ms. Allocated memory is still 140.5MB. Free memory was 85.6MB in the beginning and 84.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:35:33,276 INFO L158 Benchmark]: Boogie Preprocessor took 26.92ms. Allocated memory is still 140.5MB. Free memory was 84.3MB in the beginning and 83.4MB in the end (delta: 979.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:35:33,277 INFO L158 Benchmark]: RCFGBuilder took 435.11ms. Allocated memory is still 140.5MB. Free memory was 83.3MB in the beginning and 74.4MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:35:33,277 INFO L158 Benchmark]: BuchiAutomizer took 2087.02ms. Allocated memory is still 140.5MB. Free memory was 74.0MB in the beginning and 107.4MB in the end (delta: -33.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:35:33,278 INFO L158 Benchmark]: Witness Printer took 5.27ms. Allocated memory is still 140.5MB. Free memory was 107.4MB in the beginning and 106.6MB in the end (delta: 774.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:35:33,282 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 102.8MB. Free memory was 54.6MB in the beginning and 54.4MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.02ms. Allocated memory is still 140.5MB. Free memory was 95.9MB in the beginning and 85.6MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.78ms. Allocated memory is still 140.5MB. Free memory was 85.6MB in the beginning and 84.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.92ms. Allocated memory is still 140.5MB. Free memory was 84.3MB in the beginning and 83.4MB in the end (delta: 979.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 435.11ms. Allocated memory is still 140.5MB. Free memory was 83.3MB in the beginning and 74.4MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2087.02ms. Allocated memory is still 140.5MB. Free memory was 74.0MB in the beginning and 107.4MB in the end (delta: -33.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.27ms. Allocated memory is still 140.5MB. Free memory was 107.4MB in the beginning and 106.6MB in the end (delta: 774.6kB). 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 (199 + (-2 * x)) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. 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 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, 19 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 18 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital58 mio100 ax100 hnf100 lsp29 ukn94 mio100 lsp100 div100 bol100 ite100 ukn100 eq137 hnf95 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 69ms 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: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-06 22:35:33,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59d4d77-2625-4cc9-a14a-12ce5120bcd6/bin/uautomizer-verify-WvqO1wxjHP/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