./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b5097186312a07da16ab8fdeadf6c0d6b4634620407ae37986153d9e0823e6f5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:08:09,811 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:08:09,874 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-29 02:08:09,879 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:08:09,880 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:08:09,907 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:08:09,907 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:08:09,908 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:08:09,909 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:08:09,909 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:08:09,910 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:08:09,910 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:08:09,911 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:08:09,911 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 02:08:09,912 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 02:08:09,912 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 02:08:09,913 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 02:08:09,913 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 02:08:09,914 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 02:08:09,914 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:08:09,915 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 02:08:09,915 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:08:09,916 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:08:09,916 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:08:09,917 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:08:09,917 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 02:08:09,918 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 02:08:09,918 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 02:08:09,918 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 02:08:09,919 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:08:09,919 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:08:09,919 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 02:08:09,920 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:08:09,920 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:08:09,921 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:08:09,921 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:08:09,921 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:08:09,922 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 02:08:09,922 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_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5097186312a07da16ab8fdeadf6c0d6b4634620407ae37986153d9e0823e6f5 [2023-11-29 02:08:10,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:08:10,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:08:10,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:08:10,153 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:08:10,154 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:08:10,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i [2023-11-29 02:08:12,946 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:08:13,123 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:08:13,123 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i [2023-11-29 02:08:13,130 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/data/8828db0b6/099f6e5835634c3caa0df50eca6c214c/FLAG77d332045 [2023-11-29 02:08:13,507 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/data/8828db0b6/099f6e5835634c3caa0df50eca6c214c [2023-11-29 02:08:13,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:08:13,510 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:08:13,511 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:08:13,511 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:08:13,516 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:08:13,517 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:08:13" (1/1) ... [2023-11-29 02:08:13,518 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33818d81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:13, skipping insertion in model container [2023-11-29 02:08:13,518 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:08:13" (1/1) ... [2023-11-29 02:08:13,539 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:08:13,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:08:13,724 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:08:13,747 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:08:13,762 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:08:13,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:13 WrapperNode [2023-11-29 02:08:13,763 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:08:13,764 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:08:13,764 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:08:13,764 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:08:13,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:13" (1/1) ... [2023-11-29 02:08:13,778 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:13" (1/1) ... [2023-11-29 02:08:13,805 INFO L138 Inliner]: procedures = 16, calls = 25, calls flagged for inlining = 21, calls inlined = 38, statements flattened = 267 [2023-11-29 02:08:13,806 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:08:13,806 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:08:13,806 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:08:13,807 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:08:13,817 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:13" (1/1) ... [2023-11-29 02:08:13,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:13" (1/1) ... [2023-11-29 02:08:13,820 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:13" (1/1) ... [2023-11-29 02:08:13,832 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 02:08:13,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:13" (1/1) ... [2023-11-29 02:08:13,833 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:13" (1/1) ... [2023-11-29 02:08:13,839 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:13" (1/1) ... [2023-11-29 02:08:13,845 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:13" (1/1) ... [2023-11-29 02:08:13,847 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:13" (1/1) ... [2023-11-29 02:08:13,848 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:13" (1/1) ... [2023-11-29 02:08:13,852 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:08:13,852 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:08:13,853 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:08:13,853 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:08:13,854 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:13" (1/1) ... [2023-11-29 02:08:13,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:08:13,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:08:13,882 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:08:13,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 02:08:13,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:08:13,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 02:08:13,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:08:13,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:08:13,993 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:08:13,995 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:08:14,270 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:08:14,282 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:08:14,282 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 02:08:14,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:08:14 BoogieIcfgContainer [2023-11-29 02:08:14,284 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:08:14,285 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 02:08:14,285 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 02:08:14,289 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 02:08:14,290 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 02:08:14,290 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 02:08:13" (1/3) ... [2023-11-29 02:08:14,291 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7bdb20fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 02:08:14, skipping insertion in model container [2023-11-29 02:08:14,291 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 02:08:14,291 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:13" (2/3) ... [2023-11-29 02:08:14,291 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7bdb20fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 02:08:14, skipping insertion in model container [2023-11-29 02:08:14,291 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 02:08:14,292 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:08:14" (3/3) ... [2023-11-29 02:08:14,293 INFO L332 chiAutomizerObserver]: Analyzing ICFG apache-escape-absolute.i [2023-11-29 02:08:14,347 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 02:08:14,347 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 02:08:14,347 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 02:08:14,347 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 02:08:14,347 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 02:08:14,348 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 02:08:14,348 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 02:08:14,348 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 02:08:14,351 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 113 states, 112 states have (on average 1.4732142857142858) internal successors, (165), 112 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:08:14,372 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2023-11-29 02:08:14,372 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 02:08:14,373 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 02:08:14,377 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:08:14,378 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-29 02:08:14,378 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 02:08:14,378 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 113 states, 112 states have (on average 1.4732142857142858) internal successors, (165), 112 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:08:14,385 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2023-11-29 02:08:14,385 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 02:08:14,385 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 02:08:14,386 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:08:14,386 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-29 02:08:14,392 INFO L748 eck$LassoCheckResult]: Stem: 30#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 41#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_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~pre6#1, main_#t~pre7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~pre10#1, main_#t~pre11#1, main_~scheme~0#1, main_~urilen~0#1, main_~tokenlen~0#1, main_~cp~0#1, main_~c~0#1;havoc main_~scheme~0#1;havoc main_~urilen~0#1;havoc main_~tokenlen~0#1;havoc main_~cp~0#1;havoc main_~c~0#1;havoc main_#t~nondet1#1;main_~urilen~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~tokenlen~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~scheme~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 79#L32true assume !!(main_~urilen~0#1 <= 1000000 && main_~urilen~0#1 >= -1000000); 22#L33true assume !!(main_~tokenlen~0#1 <= 1000000 && main_~tokenlen~0#1 >= -1000000); 27#L34true assume !!(main_~scheme~0#1 <= 1000000 && main_~scheme~0#1 >= -1000000); 102#L35true assume main_~urilen~0#1 > 0; 95#L35-1true assume main_~tokenlen~0#1 > 0; 107#L36true assume main_~scheme~0#1 >= 0; 53#L37true assume !(0 == main_~scheme~0#1 || main_~urilen~0#1 - 1 < main_~scheme~0#1);main_~cp~0#1 := main_~scheme~0#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~cp~0#1 - 1 < main_~urilen~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 81#L18true assume !(0 == __VERIFIER_assert_~cond#1); 47#L18-2true 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 0 <= main_~cp~0#1 - 1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 98#L18-3true assume !(0 == __VERIFIER_assert_~cond#1); 66#L18-5true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet4#1; 36#L44true assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~cp~0#1 < main_~urilen~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 48#L18-6true assume !(0 == __VERIFIER_assert_~cond#1); 42#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 0 <= main_~cp~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 56#L18-9true assume !(0 == __VERIFIER_assert_~cond#1); 84#L18-11true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true; 50#L47-2true [2023-11-29 02:08:14,392 INFO L750 eck$LassoCheckResult]: Loop: 50#L47-2true assume !!(main_~cp~0#1 != main_~urilen~0#1 - 1);havoc main_#t~nondet5#1; 73#L48true assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~cp~0#1 < main_~urilen~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 8#L18-12true assume !(0 == __VERIFIER_assert_~cond#1); 24#L18-14true 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 0 <= main_~cp~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 77#L18-15true assume !(0 == __VERIFIER_assert_~cond#1); 28#L18-17true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~pre6#1 := 1 + main_~cp~0#1;main_~cp~0#1 := 1 + main_~cp~0#1;havoc main_#t~pre6#1; 50#L47-2true [2023-11-29 02:08:14,396 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:08:14,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1737411850, now seen corresponding path program 1 times [2023-11-29 02:08:14,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:08:14,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316147047] [2023-11-29 02:08:14,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:08:14,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:08:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:08:14,506 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:08:14,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:08:14,544 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 02:08:14,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:08:14,547 INFO L85 PathProgramCache]: Analyzing trace with hash 147757036, now seen corresponding path program 1 times [2023-11-29 02:08:14,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:08:14,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837704116] [2023-11-29 02:08:14,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:08:14,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:08:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:08:14,563 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:08:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:08:14,573 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 02:08:14,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:08:14,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1617493793, now seen corresponding path program 1 times [2023-11-29 02:08:14,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:08:14,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647365747] [2023-11-29 02:08:14,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:08:14,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:08:14,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:08:14,598 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:08:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:08:14,622 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 02:08:14,737 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 02:08:14,738 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 02:08:14,738 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 02:08:14,738 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 02:08:14,738 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 02:08:14,738 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:08:14,738 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 02:08:14,739 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 02:08:14,739 INFO L133 ssoRankerPreferences]: Filename of dumped script: apache-escape-absolute.i_Iteration1_Loop [2023-11-29 02:08:14,739 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 02:08:14,739 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 02:08:14,757 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:08:14,766 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:08:14,768 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:08:14,785 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:08:14,787 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:08:14,847 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 02:08:14,847 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 02:08:14,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:08:14,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:08:14,852 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:08:14,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-29 02:08:14,863 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 02:08:14,863 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 02:08:14,879 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 02:08:14,880 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: [] [2023-11-29 02:08:14,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-29 02:08:14,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:08:14,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:08:14,885 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:08:14,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-29 02:08:14,889 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 02:08:14,889 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 02:08:14,901 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 02:08:14,901 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 02:08:14,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-29 02:08:14,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:08:14,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:08:14,906 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:08:14,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-29 02:08:14,908 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 02:08:14,908 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 02:08:14,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-29 02:08:14,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:08:14,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:08:14,925 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:08:14,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-29 02:08:14,928 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 02:08:14,928 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 02:08:14,972 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 02:08:14,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-29 02:08:14,976 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 02:08:14,977 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 02:08:14,977 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 02:08:14,977 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 02:08:14,977 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 02:08:14,977 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:08:14,977 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 02:08:14,977 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 02:08:14,977 INFO L133 ssoRankerPreferences]: Filename of dumped script: apache-escape-absolute.i_Iteration1_Loop [2023-11-29 02:08:14,977 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 02:08:14,977 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 02:08:14,979 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:08:14,982 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:08:14,994 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:08:14,998 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:08:15,001 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 02:08:15,057 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 02:08:15,061 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 02:08:15,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:08:15,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:08:15,064 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:08:15,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-29 02:08:15,068 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 02:08:15,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 02:08:15,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 02:08:15,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 02:08:15,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 02:08:15,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 02:08:15,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 02:08:15,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 02:08:15,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 02:08:15,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-29 02:08:15,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:08:15,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:08:15,090 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:08:15,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-29 02:08:15,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 02:08:15,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 02:08:15,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 02:08:15,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 02:08:15,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 02:08:15,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 02:08:15,107 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 02:08:15,107 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 02:08:15,110 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 02:08:15,113 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 02:08:15,113 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-29 02:08:15,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 02:08:15,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:08:15,134 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 02:08:15,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-29 02:08:15,138 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 02:08:15,138 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 02:08:15,139 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 02:08:15,139 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~urilen~0#1, ULTIMATE.start_main_~cp~0#1) = 1*ULTIMATE.start_main_~urilen~0#1 - 1*ULTIMATE.start_main_~cp~0#1 Supporting invariants [] [2023-11-29 02:08:15,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-29 02:08:15,145 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 02:08:15,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:08:15,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:08:15,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 02:08:15,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:08:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:08:15,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 02:08:15,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:08:15,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:08:15,350 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-29 02:08:15,352 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 113 states, 112 states have (on average 1.4732142857142858) internal successors, (165), 112 states have internal predecessors, (165), 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 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:08:15,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-29 02:08:15,631 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 113 states, 112 states have (on average 1.4732142857142858) internal successors, (165), 112 states have internal predecessors, (165), 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 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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 272 states and 378 transitions. Complement of second has 12 states. [2023-11-29 02:08:15,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2023-11-29 02:08:15,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:08:15,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 295 transitions. [2023-11-29 02:08:15,642 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 295 transitions. Stem has 18 letters. Loop has 6 letters. [2023-11-29 02:08:15,643 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 02:08:15,643 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 295 transitions. Stem has 24 letters. Loop has 6 letters. [2023-11-29 02:08:15,643 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 02:08:15,643 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 295 transitions. Stem has 18 letters. Loop has 12 letters. [2023-11-29 02:08:15,644 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 02:08:15,645 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 272 states and 378 transitions. [2023-11-29 02:08:15,653 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 02:08:15,655 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 272 states to 0 states and 0 transitions. [2023-11-29 02:08:15,656 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-29 02:08:15,657 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-29 02:08:15,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-29 02:08:15,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:08:15,657 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 02:08:15,657 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 02:08:15,658 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 02:08:15,658 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 02:08:15,658 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-29 02:08:15,658 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 02:08:15,658 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-29 02:08:15,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 02:08:15 BoogieIcfgContainer [2023-11-29 02:08:15,665 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 02:08:15,666 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:08:15,666 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:08:15,666 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:08:15,667 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:08:14" (3/4) ... [2023-11-29 02:08:15,669 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 02:08:15,670 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:08:15,671 INFO L158 Benchmark]: Toolchain (without parser) took 2160.24ms. Allocated memory is still 157.3MB. Free memory was 114.1MB in the beginning and 114.0MB in the end (delta: 105.6kB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. [2023-11-29 02:08:15,671 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 55.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:08:15,672 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.79ms. Allocated memory is still 157.3MB. Free memory was 114.1MB in the beginning and 103.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 02:08:15,672 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.11ms. Allocated memory is still 157.3MB. Free memory was 103.2MB in the beginning and 100.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:08:15,673 INFO L158 Benchmark]: Boogie Preprocessor took 45.38ms. Allocated memory is still 157.3MB. Free memory was 100.9MB in the beginning and 98.3MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 02:08:15,673 INFO L158 Benchmark]: RCFGBuilder took 431.64ms. Allocated memory is still 157.3MB. Free memory was 98.3MB in the beginning and 124.0MB in the end (delta: -25.7MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2023-11-29 02:08:15,674 INFO L158 Benchmark]: BuchiAutomizer took 1380.41ms. Allocated memory is still 157.3MB. Free memory was 124.0MB in the beginning and 114.0MB in the end (delta: 10.0MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2023-11-29 02:08:15,674 INFO L158 Benchmark]: Witness Printer took 3.86ms. Allocated memory is still 157.3MB. Free memory is still 114.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:08:15,677 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 55.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.79ms. Allocated memory is still 157.3MB. Free memory was 114.1MB in the beginning and 103.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.11ms. Allocated memory is still 157.3MB. Free memory was 103.2MB in the beginning and 100.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.38ms. Allocated memory is still 157.3MB. Free memory was 100.9MB in the beginning and 98.3MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 431.64ms. Allocated memory is still 157.3MB. Free memory was 98.3MB in the beginning and 124.0MB in the end (delta: -25.7MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 1380.41ms. Allocated memory is still 157.3MB. Free memory was 124.0MB in the beginning and 114.0MB in the end (delta: 10.0MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Witness Printer took 3.86ms. Allocated memory is still 157.3MB. Free memory is still 114.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function ((-1 * cp) + urilen) and consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. 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, 108 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 107 mSDsluCounter, 135 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 58 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 105 IncrementalHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 77 mSDtfsCounter, 105 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq157 hnf96 smp62 dnf100 smp100 tf110 neg100 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-29 02:08:15,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc18ef35-a137-4027-8a8e-d0dbd1481811/bin/uautomizer-verify-BQ2R08f2Ya/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