./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e7bb482b 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_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/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_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/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_807759fe-a886-4cc5-9467-4d69d7654e97/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 ad8e21886f5f45a7c58400298498a881b4f628bf6fff913be81ab14cf250dd19 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:30:26,063 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:30:26,205 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-06 22:30:26,215 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:30:26,215 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:30:26,264 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:30:26,265 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:30:26,266 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:30:26,268 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:30:26,274 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:30:26,276 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:30:26,276 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 22:30:26,277 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 22:30:26,279 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 22:30:26,280 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 22:30:26,280 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 22:30:26,281 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 22:30:26,282 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:30:26,282 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 22:30:26,283 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:30:26,283 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:30:26,284 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:30:26,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:30:26,285 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 22:30:26,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 22:30:26,286 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 22:30:26,286 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:30:26,287 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:30:26,287 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:30:26,288 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 22:30:26,289 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:30:26,290 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:30:26,290 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:30:26,290 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:30:26,291 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:30:26,291 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 22:30:26,291 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_807759fe-a886-4cc5-9467-4d69d7654e97/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad8e21886f5f45a7c58400298498a881b4f628bf6fff913be81ab14cf250dd19 [2023-11-06 22:30:26,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:30:26,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:30:26,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:30:26,643 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:30:26,644 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:30:26,646 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/loop-invgen/apache-get-tag.i [2023-11-06 22:30:30,142 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:30:30,380 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:30:30,380 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/sv-benchmarks/c/loop-invgen/apache-get-tag.i [2023-11-06 22:30:30,391 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/data/4f7be1f52/3f8da19295d7486b87199db825098718/FLAGa7802021a [2023-11-06 22:30:30,411 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/data/4f7be1f52/3f8da19295d7486b87199db825098718 [2023-11-06 22:30:30,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:30:30,416 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:30:30,418 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:30:30,419 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:30:30,426 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:30:30,427 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:30:30" (1/1) ... [2023-11-06 22:30:30,428 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@166cafb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:30, skipping insertion in model container [2023-11-06 22:30:30,429 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:30:30" (1/1) ... [2023-11-06 22:30:30,460 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:30:30,669 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:30:30,686 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:30:30,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:30:30,730 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:30:30,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:30 WrapperNode [2023-11-06 22:30:30,731 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:30:30,732 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:30:30,733 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:30:30,733 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:30:30,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:30" (1/1) ... [2023-11-06 22:30:30,753 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:30" (1/1) ... [2023-11-06 22:30:30,811 INFO L138 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 19, calls inlined = 34, statements flattened = 226 [2023-11-06 22:30:30,812 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:30:30,813 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:30:30,816 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:30:30,816 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:30:30,828 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:30" (1/1) ... [2023-11-06 22:30:30,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:30" (1/1) ... [2023-11-06 22:30:30,831 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:30" (1/1) ... [2023-11-06 22:30:30,832 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:30" (1/1) ... [2023-11-06 22:30:30,857 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:30" (1/1) ... [2023-11-06 22:30:30,863 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:30" (1/1) ... [2023-11-06 22:30:30,882 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:30" (1/1) ... [2023-11-06 22:30:30,884 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:30" (1/1) ... [2023-11-06 22:30:30,888 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:30:30,889 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:30:30,890 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:30:30,890 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:30:30,891 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:30" (1/1) ... [2023-11-06 22:30:30,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:30:30,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:30:30,941 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:30:30,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 22:30:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:30:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:30:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:30:30,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:30:31,094 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:30:31,096 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:30:31,441 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:30:31,450 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:30:31,450 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 22:30:31,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:30:31 BoogieIcfgContainer [2023-11-06 22:30:31,453 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:30:31,455 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 22:30:31,455 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 22:30:31,460 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 22:30:31,461 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:30:31,461 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 10:30:30" (1/3) ... [2023-11-06 22:30:31,463 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15b90f0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:30:31, skipping insertion in model container [2023-11-06 22:30:31,463 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:30:31,463 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:30" (2/3) ... [2023-11-06 22:30:31,464 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15b90f0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:30:31, skipping insertion in model container [2023-11-06 22:30:31,464 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:30:31,464 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:30:31" (3/3) ... [2023-11-06 22:30:31,466 INFO L332 chiAutomizerObserver]: Analyzing ICFG apache-get-tag.i [2023-11-06 22:30:31,535 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 22:30:31,535 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 22:30:31,535 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 22:30:31,535 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 22:30:31,536 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 22:30:31,536 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 22:30:31,536 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 22:30:31,536 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 22:30:31,541 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 100 states, 99 states have (on average 1.4444444444444444) internal successors, (143), 99 states have internal predecessors, (143), 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 22:30:31,575 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 40 [2023-11-06 22:30:31,576 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:30:31,576 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:30:31,585 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-06 22:30:31,585 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:30:31,586 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-06 22:30:31,587 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 100 states, 99 states have (on average 1.4444444444444444) internal successors, (143), 99 states have internal predecessors, (143), 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 22:30:31,597 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 40 [2023-11-06 22:30:31,598 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:30:31,598 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:30:31,598 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-06 22:30:31,599 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:30:31,609 INFO L748 eck$LassoCheckResult]: Stem: 29#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 36#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~pre2#1, main_#t~nondet3#1, main_#t~post4#1, main_#t~post5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~post8#1, main_#t~nondet9#1, main_#t~post10#1, main_~tagbuf_len~0#1, main_~t~0#1;havoc main_~tagbuf_len~0#1;havoc main_~t~0#1;havoc main_#t~nondet1#1;main_~tagbuf_len~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 70#L29true assume main_~tagbuf_len~0#1 >= 1; 94#L29-1true main_~t~0#1 := 0;main_#t~pre2#1 := main_~tagbuf_len~0#1 - 1;main_~tagbuf_len~0#1 := main_~tagbuf_len~0#1 - 1;havoc main_#t~pre2#1; 86#L32-2true [2023-11-06 22:30:31,609 INFO L750 eck$LassoCheckResult]: Loop: 86#L32-2true assume !false; 22#L33true assume !(main_~t~0#1 == main_~tagbuf_len~0#1);havoc main_#t~nondet3#1; 56#L38true assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 0 <= main_~t~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 43#L18-6true assume !(0 == __VERIFIER_assert_~cond#1); 37#L18-8true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~t~0#1 <= main_~tagbuf_len~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 48#L18-9true assume !(0 == __VERIFIER_assert_~cond#1); 76#L18-11true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post4#1 := main_~t~0#1;main_~t~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 86#L32-2true [2023-11-06 22:30:31,617 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:30:31,618 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2023-11-06 22:30:31,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:30:31,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740209747] [2023-11-06 22:30:31,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:30:31,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:30:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:30:31,748 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:30:31,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:30:31,783 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:30:31,787 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:30:31,788 INFO L85 PathProgramCache]: Analyzing trace with hash -2065496964, now seen corresponding path program 1 times [2023-11-06 22:30:31,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:30:31,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94710345] [2023-11-06 22:30:31,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:30:31,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:30:31,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:30:31,851 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:30:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:30:31,869 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:30:31,871 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:30:31,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1719198186, now seen corresponding path program 1 times [2023-11-06 22:30:31,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:30:31,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007786730] [2023-11-06 22:30:31,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:30:31,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:30:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:30:31,917 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:30:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:30:31,944 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:30:32,116 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:30:32,119 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:30:32,119 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:30:32,119 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:30:32,120 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 22:30:32,122 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:30:32,123 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:30:32,123 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:30:32,123 INFO L133 ssoRankerPreferences]: Filename of dumped script: apache-get-tag.i_Iteration1_Loop [2023-11-06 22:30:32,124 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:30:32,124 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:30:32,148 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 22:30:32,162 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 22:30:32,167 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 22:30:32,174 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 22:30:32,198 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 22:30:32,309 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:30:32,310 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 22:30:32,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:30:32,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:30:32,318 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:30:32,332 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:30:32,332 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:30:32,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-06 22:30:32,366 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 22:30:32,366 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-06 22:30:32,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:30:32,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:30:32,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:30:32,381 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:30:32,392 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:30:32,392 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:30:32,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-06 22:30:32,425 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 22:30:32,425 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-06 22:30:32,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:30:32,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:30:32,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:30:32,438 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:30:32,448 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:30:32,448 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:30:32,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-06 22:30:32,475 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 22:30:32,475 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post4#1=0} Honda state: {ULTIMATE.start_main_#t~post4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-06 22:30:32,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:30:32,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:30:32,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:30:32,489 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:30:32,500 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:30:32,500 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:30:32,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-06 22:30:32,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:30:32,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:30:32,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:30:32,549 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:30:32,560 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 22:30:32,560 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:30:32,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-06 22:30:32,641 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-06 22:30:32,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:30:32,653 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:30:32,653 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:30:32,653 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:30:32,653 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:30:32,653 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:30:32,653 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:30:32,654 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:30:32,654 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:30:32,654 INFO L133 ssoRankerPreferences]: Filename of dumped script: apache-get-tag.i_Iteration1_Loop [2023-11-06 22:30:32,654 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:30:32,654 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:30:32,656 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 22:30:32,664 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 22:30:32,668 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 22:30:32,671 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 22:30:32,688 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 22:30:32,777 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:30:32,783 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:30:32,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:30:32,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:30:32,789 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:30:32,800 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 22:30:32,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-06 22:30:32,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:30:32,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:30:32,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:30:32,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:30:32,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:30:32,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:30:32,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:30:32,841 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:30:32,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:30:32,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:30:32,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:30:32,855 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:30:32,862 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 22:30:32,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-06 22:30:32,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:30:32,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:30:32,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:30:32,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:30:32,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:30:32,880 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:30:32,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:30:32,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:30:32,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-06 22:30:32,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:30:32,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:30:32,899 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:30:32,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-06 22:30:32,910 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 22:30:32,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:30:32,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:30:32,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:30:32,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:30:32,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:30:32,926 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:30:32,926 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:30:32,948 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:30:32,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:30:32,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:30:32,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:30:32,960 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:30:32,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-06 22:30:32,965 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 22:30:32,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:30:32,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:30:32,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:30:32,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:30:32,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:30:32,983 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:30:32,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:30:32,994 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:30:33,001 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-06 22:30:33,002 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-06 22:30:33,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:30:33,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:30:33,024 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:30:33,031 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:30:33,031 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-06 22:30:33,031 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:30:33,032 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~tagbuf_len~0#1, ULTIMATE.start_main_~t~0#1) = 1*ULTIMATE.start_main_~tagbuf_len~0#1 - 1*ULTIMATE.start_main_~t~0#1 Supporting invariants [] [2023-11-06 22:30:33,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-06 22:30:33,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:30:33,046 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-06 22:30:33,093 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:30:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:33,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:30:33,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:30:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:33,173 WARN L260 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 22:30:33,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:30:33,425 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 22:30:33,484 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2023-11-06 22:30:33,487 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 100 states, 99 states have (on average 1.4444444444444444) internal successors, (143), 99 states have internal predecessors, (143), 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 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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 22:30:33,970 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 100 states, 99 states have (on average 1.4444444444444444) internal successors, (143), 99 states have internal predecessors, (143), 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 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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 265 states and 356 transitions. Complement of second has 14 states. [2023-11-06 22:30:33,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2023-11-06 22:30:33,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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 22:30:33,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 267 transitions. [2023-11-06 22:30:33,983 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 267 transitions. Stem has 4 letters. Loop has 7 letters. [2023-11-06 22:30:33,984 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:30:33,984 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 267 transitions. Stem has 11 letters. Loop has 7 letters. [2023-11-06 22:30:33,985 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:30:33,985 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 267 transitions. Stem has 4 letters. Loop has 14 letters. [2023-11-06 22:30:33,986 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:30:33,987 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 265 states and 356 transitions. [2023-11-06 22:30:33,998 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 22:30:34,001 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 265 states to 0 states and 0 transitions. [2023-11-06 22:30:34,002 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-06 22:30:34,003 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-06 22:30:34,003 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-06 22:30:34,004 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:30:34,004 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:30:34,004 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:30:34,004 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:30:34,005 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-06 22:30:34,005 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:30:34,005 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 22:30:34,005 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-06 22:30:34,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.11 10:30:34 BoogieIcfgContainer [2023-11-06 22:30:34,014 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-06 22:30:34,015 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:30:34,015 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:30:34,016 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:30:34,016 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:30:31" (3/4) ... [2023-11-06 22:30:34,019 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:30:34,020 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:30:34,021 INFO L158 Benchmark]: Toolchain (without parser) took 3604.95ms. Allocated memory is still 159.4MB. Free memory was 114.3MB in the beginning and 60.2MB in the end (delta: 54.1MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. [2023-11-06 22:30:34,022 INFO L158 Benchmark]: CDTParser took 0.80ms. Allocated memory is still 117.4MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:30:34,023 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.08ms. Allocated memory is still 159.4MB. Free memory was 114.3MB in the beginning and 103.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:30:34,024 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.43ms. Allocated memory is still 159.4MB. Free memory was 103.8MB in the beginning and 101.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:30:34,025 INFO L158 Benchmark]: Boogie Preprocessor took 75.89ms. Allocated memory is still 159.4MB. Free memory was 101.7MB in the beginning and 99.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:30:34,025 INFO L158 Benchmark]: RCFGBuilder took 564.07ms. Allocated memory is still 159.4MB. Free memory was 99.6MB in the beginning and 85.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:30:34,026 INFO L158 Benchmark]: BuchiAutomizer took 2559.71ms. Allocated memory is still 159.4MB. Free memory was 85.0MB in the beginning and 61.3MB in the end (delta: 23.7MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2023-11-06 22:30:34,027 INFO L158 Benchmark]: Witness Printer took 5.34ms. Allocated memory is still 159.4MB. Free memory was 61.3MB in the beginning and 60.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:30:34,030 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80ms. Allocated memory is still 117.4MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.08ms. Allocated memory is still 159.4MB. Free memory was 114.3MB in the beginning and 103.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.43ms. Allocated memory is still 159.4MB. Free memory was 103.8MB in the beginning and 101.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.89ms. Allocated memory is still 159.4MB. Free memory was 101.7MB in the beginning and 99.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 564.07ms. Allocated memory is still 159.4MB. Free memory was 99.6MB in the beginning and 85.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 2559.71ms. Allocated memory is still 159.4MB. Free memory was 85.0MB in the beginning and 61.3MB in the end (delta: 23.7MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * Witness Printer took 5.34ms. Allocated memory is still 159.4MB. Free memory was 61.3MB in the beginning and 60.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function ((-1 * t) + tagbuf_len) and consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.7s. 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, 153 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 152 mSDsluCounter, 176 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 114 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 109 IncrementalHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 62 mSDtfsCounter, 109 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq158 hnf96 smp69 dnf100 smp100 tf111 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 56ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s 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 22:30:34,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:30:34,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807759fe-a886-4cc5-9467-4d69d7654e97/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