./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-with-pointer/simple-recursive.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_14fa0a82-7d09-491a-b58b-80356b063aeb/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fa0a82-7d09-491a-b58b-80356b063aeb/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fa0a82-7d09-491a-b58b-80356b063aeb/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fa0a82-7d09-491a-b58b-80356b063aeb/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-with-pointer/simple-recursive.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fa0a82-7d09-491a-b58b-80356b063aeb/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fa0a82-7d09-491a-b58b-80356b063aeb/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e4b2b33802a1e3212162c0e55c40efaad08f7abe5e8690f0efef5fec80921b38 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 14:03:40,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 14:03:40,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 14:03:40,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 14:03:40,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 14:03:40,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 14:03:40,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 14:03:40,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 14:03:40,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 14:03:40,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 14:03:40,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 14:03:40,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 14:03:40,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 14:03:40,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 14:03:40,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 14:03:40,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 14:03:40,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 14:03:40,915 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 14:03:40,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 14:03:40,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 14:03:40,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 14:03:40,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 14:03:40,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 14:03:40,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 14:03:40,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 14:03:40,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 14:03:40,944 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 14:03:40,945 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 14:03:40,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 14:03:40,949 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 14:03:40,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 14:03:40,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 14:03:40,953 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 14:03:40,954 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 14:03:40,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 14:03:40,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 14:03:40,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 14:03:40,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 14:03:40,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 14:03:40,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 14:03:40,960 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 14:03:40,961 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fa0a82-7d09-491a-b58b-80356b063aeb/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-21 14:03:40,998 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 14:03:40,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 14:03:40,999 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 14:03:40,999 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 14:03:41,000 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 14:03:41,001 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 14:03:41,001 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 14:03:41,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 14:03:41,002 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 14:03:41,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 14:03:41,003 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 14:03:41,004 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 14:03:41,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 14:03:41,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 14:03:41,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 14:03:41,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 14:03:41,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 14:03:41,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 14:03:41,005 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 14:03:41,006 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 14:03:41,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 14:03:41,006 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 14:03:41,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 14:03:41,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 14:03:41,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 14:03:41,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 14:03:41,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 14:03:41,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 14:03:41,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 14:03:41,009 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 14:03:41,009 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 14:03:41,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 14:03:41,009 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 14:03:41,010 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 14:03:41,010 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 14:03:41,010 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_14fa0a82-7d09-491a-b58b-80356b063aeb/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fa0a82-7d09-491a-b58b-80356b063aeb/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4b2b33802a1e3212162c0e55c40efaad08f7abe5e8690f0efef5fec80921b38 [2022-11-21 14:03:41,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 14:03:41,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 14:03:41,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 14:03:41,374 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 14:03:41,374 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 14:03:41,376 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fa0a82-7d09-491a-b58b-80356b063aeb/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/recursive-with-pointer/simple-recursive.c [2022-11-21 14:03:44,421 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 14:03:44,662 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 14:03:44,663 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fa0a82-7d09-491a-b58b-80356b063aeb/sv-benchmarks/c/recursive-with-pointer/simple-recursive.c [2022-11-21 14:03:44,669 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fa0a82-7d09-491a-b58b-80356b063aeb/bin/uautomizer-vX5HgA9Q3a/data/09a65cbeb/88e31dcabca24720abb04eef07fd9f7d/FLAGd3e608b2c [2022-11-21 14:03:44,688 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fa0a82-7d09-491a-b58b-80356b063aeb/bin/uautomizer-vX5HgA9Q3a/data/09a65cbeb/88e31dcabca24720abb04eef07fd9f7d [2022-11-21 14:03:44,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 14:03:44,695 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 14:03:44,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 14:03:44,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 14:03:44,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 14:03:44,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:03:44" (1/1) ... [2022-11-21 14:03:44,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de6c001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:44, skipping insertion in model container [2022-11-21 14:03:44,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:03:44" (1/1) ... [2022-11-21 14:03:44,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 14:03:44,731 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 14:03:44,887 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fa0a82-7d09-491a-b58b-80356b063aeb/sv-benchmarks/c/recursive-with-pointer/simple-recursive.c[439,452] [2022-11-21 14:03:44,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 14:03:44,901 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 14:03:44,919 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fa0a82-7d09-491a-b58b-80356b063aeb/sv-benchmarks/c/recursive-with-pointer/simple-recursive.c[439,452] [2022-11-21 14:03:44,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 14:03:44,937 INFO L208 MainTranslator]: Completed translation [2022-11-21 14:03:44,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:44 WrapperNode [2022-11-21 14:03:44,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 14:03:44,939 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 14:03:44,939 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 14:03:44,940 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 14:03:44,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:44" (1/1) ... [2022-11-21 14:03:44,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:44" (1/1) ... [2022-11-21 14:03:44,974 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2022-11-21 14:03:44,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 14:03:44,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 14:03:44,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 14:03:44,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 14:03:44,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:44" (1/1) ... [2022-11-21 14:03:44,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:44" (1/1) ... [2022-11-21 14:03:44,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:44" (1/1) ... [2022-11-21 14:03:44,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:44" (1/1) ... [2022-11-21 14:03:45,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:44" (1/1) ... [2022-11-21 14:03:45,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:44" (1/1) ... [2022-11-21 14:03:45,010 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:44" (1/1) ... [2022-11-21 14:03:45,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:44" (1/1) ... [2022-11-21 14:03:45,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 14:03:45,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 14:03:45,020 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 14:03:45,020 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 14:03:45,021 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:44" (1/1) ... [2022-11-21 14:03:45,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 14:03:45,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fa0a82-7d09-491a-b58b-80356b063aeb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 14:03:45,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fa0a82-7d09-491a-b58b-80356b063aeb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 14:03:45,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fa0a82-7d09-491a-b58b-80356b063aeb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 14:03:45,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 14:03:45,116 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-11-21 14:03:45,116 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-11-21 14:03:45,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 14:03:45,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 14:03:45,119 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-11-21 14:03:45,119 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-11-21 14:03:45,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 14:03:45,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 14:03:45,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 14:03:45,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 14:03:45,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 14:03:45,206 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 14:03:45,208 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 14:03:45,348 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 14:03:45,353 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 14:03:45,354 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 14:03:45,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:03:45 BoogieIcfgContainer [2022-11-21 14:03:45,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 14:03:45,358 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 14:03:45,358 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 14:03:45,361 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 14:03:45,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 02:03:44" (1/3) ... [2022-11-21 14:03:45,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d2c4ca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:03:45, skipping insertion in model container [2022-11-21 14:03:45,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:03:44" (2/3) ... [2022-11-21 14:03:45,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d2c4ca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:03:45, skipping insertion in model container [2022-11-21 14:03:45,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:03:45" (3/3) ... [2022-11-21 14:03:45,364 INFO L112 eAbstractionObserver]: Analyzing ICFG simple-recursive.c [2022-11-21 14:03:45,384 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 14:03:45,385 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-21 14:03:45,432 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 14:03:45,439 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@66df5e71, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 14:03:45,440 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-21 14:03:45,444 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 17 states have internal predecessors, (18), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-21 14:03:45,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 14:03:45,451 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:03:45,452 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:03:45,452 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting plusErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [plusErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, plusErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-21 14:03:45,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:03:45,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1683809247, now seen corresponding path program 1 times [2022-11-21 14:03:45,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:03:45,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449969021] [2022-11-21 14:03:45,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:03:45,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:03:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:46,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 14:03:46,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:03:46,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449969021] [2022-11-21 14:03:46,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449969021] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:03:46,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:03:46,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 14:03:46,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685798435] [2022-11-21 14:03:46,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:03:46,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 14:03:46,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:03:46,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 14:03:46,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 14:03:46,046 INFO L87 Difference]: Start difference. First operand has 22 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 17 states have internal predecessors, (18), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:03:46,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:03:46,183 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2022-11-21 14:03:46,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 14:03:46,186 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-21 14:03:46,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:03:46,192 INFO L225 Difference]: With dead ends: 46 [2022-11-21 14:03:46,193 INFO L226 Difference]: Without dead ends: 18 [2022-11-21 14:03:46,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-21 14:03:46,200 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 16 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 14:03:46,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 86 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 14:03:46,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-11-21 14:03:46,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-11-21 14:03:46,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:03:46,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2022-11-21 14:03:46,237 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 8 [2022-11-21 14:03:46,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:03:46,238 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2022-11-21 14:03:46,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:03:46,238 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2022-11-21 14:03:46,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 14:03:46,239 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:03:46,239 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:03:46,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 14:03:46,240 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting plusErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [plusErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, plusErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-21 14:03:46,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:03:46,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1706830411, now seen corresponding path program 1 times [2022-11-21 14:03:46,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:03:46,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506512542] [2022-11-21 14:03:46,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:03:46,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:03:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:46,806 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 14:03:46,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:03:46,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506512542] [2022-11-21 14:03:46,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506512542] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 14:03:46,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369264776] [2022-11-21 14:03:46,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:03:46,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 14:03:46,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fa0a82-7d09-491a-b58b-80356b063aeb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 14:03:46,815 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fa0a82-7d09-491a-b58b-80356b063aeb/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 14:03:46,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fa0a82-7d09-491a-b58b-80356b063aeb/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 14:03:46,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:46,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-21 14:03:46,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 14:03:47,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-21 14:03:47,277 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 14:03:47,278 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 26 [2022-11-21 14:03:47,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-21 14:03:47,424 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 14:03:47,424 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 14:03:47,697 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 14:03:47,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369264776] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 14:03:47,698 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 14:03:47,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 30 [2022-11-21 14:03:47,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270543451] [2022-11-21 14:03:47,699 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 14:03:47,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-11-21 14:03:47,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:03:47,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-11-21 14:03:47,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=815, Unknown=0, NotChecked=0, Total=930 [2022-11-21 14:03:47,703 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 31 states, 24 states have (on average 1.25) internal successors, (30), 19 states have internal predecessors, (30), 12 states have call successors, (12), 12 states have call predecessors, (12), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:03:48,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:03:48,171 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2022-11-21 14:03:48,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-21 14:03:48,172 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 24 states have (on average 1.25) internal successors, (30), 19 states have internal predecessors, (30), 12 states have call successors, (12), 12 states have call predecessors, (12), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-21 14:03:48,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:03:48,173 INFO L225 Difference]: With dead ends: 35 [2022-11-21 14:03:48,173 INFO L226 Difference]: Without dead ends: 34 [2022-11-21 14:03:48,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 449 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=234, Invalid=1572, Unknown=0, NotChecked=0, Total=1806 [2022-11-21 14:03:48,180 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 45 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 14:03:48,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 43 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 14:03:48,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-11-21 14:03:48,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 31. [2022-11-21 14:03:48,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 8 states have call successors, (8), 8 states have call predecessors, (8), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:03:48,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2022-11-21 14:03:48,199 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 15 [2022-11-21 14:03:48,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:03:48,199 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2022-11-21 14:03:48,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 24 states have (on average 1.25) internal successors, (30), 19 states have internal predecessors, (30), 12 states have call successors, (12), 12 states have call predecessors, (12), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:03:48,200 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2022-11-21 14:03:48,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 14:03:48,200 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:03:48,200 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-21 14:03:48,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fa0a82-7d09-491a-b58b-80356b063aeb/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-21 14:03:48,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fa0a82-7d09-491a-b58b-80356b063aeb/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 14:03:48,412 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting plusErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [plusErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, plusErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-21 14:03:48,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:03:48,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1372135132, now seen corresponding path program 1 times [2022-11-21 14:03:48,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:03:48,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295160814] [2022-11-21 14:03:48,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:03:48,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:03:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:48,763 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 14:03:48,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:03:48,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295160814] [2022-11-21 14:03:48,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295160814] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 14:03:48,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056657620] [2022-11-21 14:03:48,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:03:48,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 14:03:48,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fa0a82-7d09-491a-b58b-80356b063aeb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 14:03:48,769 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fa0a82-7d09-491a-b58b-80356b063aeb/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 14:03:48,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fa0a82-7d09-491a-b58b-80356b063aeb/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-21 14:03:48,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:48,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-21 14:03:48,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 14:03:48,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-21 14:03:49,087 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 14:03:49,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 26 [2022-11-21 14:03:49,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-21 14:03:49,258 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 14:03:49,264 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 14:03:49,585 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 14:03:49,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1056657620] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-21 14:03:49,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-21 14:03:49,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [11, 11] total 30 [2022-11-21 14:03:49,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805401880] [2022-11-21 14:03:49,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:03:49,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-21 14:03:49,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:03:49,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-21 14:03:49,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=825, Unknown=0, NotChecked=0, Total=930 [2022-11-21 14:03:49,588 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand has 12 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:03:49,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:03:49,828 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2022-11-21 14:03:49,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-21 14:03:49,830 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-21 14:03:49,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:03:49,830 INFO L225 Difference]: With dead ends: 31 [2022-11-21 14:03:49,831 INFO L226 Difference]: Without dead ends: 30 [2022-11-21 14:03:49,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=140, Invalid=1192, Unknown=0, NotChecked=0, Total=1332 [2022-11-21 14:03:49,832 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 14 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 14:03:49,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 21 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 14:03:49,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-11-21 14:03:49,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-11-21 14:03:49,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 21 states have (on average 1.0476190476190477) internal successors, (22), 21 states have internal predecessors, (22), 8 states have call successors, (8), 8 states have call predecessors, (8), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:03:49,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2022-11-21 14:03:49,844 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 16 [2022-11-21 14:03:49,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:03:49,844 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2022-11-21 14:03:49,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:03:49,845 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2022-11-21 14:03:49,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 14:03:49,846 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:03:49,846 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1] [2022-11-21 14:03:49,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fa0a82-7d09-491a-b58b-80356b063aeb/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-21 14:03:50,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fa0a82-7d09-491a-b58b-80356b063aeb/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 14:03:50,051 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting plusErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [plusErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, plusErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-21 14:03:50,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:03:50,052 INFO L85 PathProgramCache]: Analyzing trace with hash 2129611381, now seen corresponding path program 2 times [2022-11-21 14:03:50,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:03:50,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077872270] [2022-11-21 14:03:50,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:03:50,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:03:50,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:50,956 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 14:03:50,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:03:50,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077872270] [2022-11-21 14:03:50,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077872270] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 14:03:50,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661352316] [2022-11-21 14:03:50,957 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 14:03:50,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 14:03:50,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fa0a82-7d09-491a-b58b-80356b063aeb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 14:03:50,959 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fa0a82-7d09-491a-b58b-80356b063aeb/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 14:03:50,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fa0a82-7d09-491a-b58b-80356b063aeb/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-21 14:03:51,044 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-21 14:03:51,044 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 14:03:51,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-21 14:03:51,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 14:03:51,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-21 14:03:51,161 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-21 14:03:51,161 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 14:03:51,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [661352316] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:03:51,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 14:03:51,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [21] total 25 [2022-11-21 14:03:51,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175697340] [2022-11-21 14:03:51,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:03:51,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 14:03:51,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:03:51,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 14:03:51,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=562, Unknown=0, NotChecked=0, Total=650 [2022-11-21 14:03:51,166 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand has 6 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:03:51,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:03:51,217 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2022-11-21 14:03:51,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 14:03:51,227 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-11-21 14:03:51,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:03:51,228 INFO L225 Difference]: With dead ends: 30 [2022-11-21 14:03:51,228 INFO L226 Difference]: Without dead ends: 0 [2022-11-21 14:03:51,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=610, Unknown=0, NotChecked=0, Total=702 [2022-11-21 14:03:51,230 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 3 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 14:03:51,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 17 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 14:03:51,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-21 14:03:51,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-21 14:03:51,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-11-21 14:03:51,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-21 14:03:51,232 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2022-11-21 14:03:51,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:03:51,233 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 14:03:51,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:03:51,233 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-21 14:03:51,233 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 14:03:51,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location plusErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-21 14:03:51,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location plusErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-21 14:03:51,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fa0a82-7d09-491a-b58b-80356b063aeb/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-21 14:03:51,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fa0a82-7d09-491a-b58b-80356b063aeb/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 14:03:51,449 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-21 14:03:51,826 INFO L899 garLoopResultBuilder]: For program point fooEXIT(lines 11 20) no Hoare annotation was computed. [2022-11-21 14:03:51,826 INFO L895 garLoopResultBuilder]: At program point fooENTRY(lines 11 20) the Hoare annotation is: (let ((.cse1 (select |old(#memory_int)| |foo_#in~p.base|))) (let ((.cse5 (select .cse1 |foo_#in~p.offset|)) (.cse2 (select |#memory_int| |foo_#in~p.base|))) (let ((.cse0 (not (= |foo_#in~p.offset| 0))) (.cse4 (select .cse2 |foo_#in~p.offset|)) (.cse3 (not (< 0 (+ 2147483650 .cse5))))) (and (or .cse0 (not (<= (select .cse1 0) 11)) (<= (select .cse2 0) 11) .cse3) (or (= .cse4 10) .cse0 (not (= .cse5 10))) (or (not (< .cse5 2147483647)) .cse3 (< .cse4 2147483647)) (or (< 0 (+ .cse4 2147483650)) .cse3))))) [2022-11-21 14:03:51,826 INFO L899 garLoopResultBuilder]: For program point L18(line 18) no Hoare annotation was computed. [2022-11-21 14:03:51,827 INFO L899 garLoopResultBuilder]: For program point L14(lines 14 19) no Hoare annotation was computed. [2022-11-21 14:03:51,827 INFO L895 garLoopResultBuilder]: At program point L13(line 13) the Hoare annotation is: (let ((.cse3 (select |old(#memory_int)| |foo_#in~p.base|))) (let ((.cse1 (select |#memory_int| |foo_#in~p.base|)) (.cse0 (select |#memory_int| foo_~p.base)) (.cse7 (select .cse3 |foo_#in~p.offset|))) (let ((.cse2 (not (= |foo_#in~p.offset| 0))) (.cse4 (not (< 0 (+ 2147483650 .cse7)))) (.cse6 (select .cse0 foo_~p.offset)) (.cse5 (select .cse1 |foo_#in~p.offset|))) (and (or (and (<= (select .cse0 0) 11) (<= (select .cse1 0) 11) (= foo_~p.offset 0)) .cse2 (not (<= (select .cse3 0) 11)) .cse4) (or (and (= .cse5 10) (= .cse6 10)) .cse2 (not (= .cse7 10))) (or (not (< .cse7 2147483647)) .cse4 (< .cse5 2147483647)) (or .cse4 (and (<= .cse6 19) (< 0 (+ .cse6 2147483650)) (< 0 (+ .cse5 2147483650)))))))) [2022-11-21 14:03:51,827 INFO L899 garLoopResultBuilder]: For program point L12(lines 12 19) no Hoare annotation was computed. [2022-11-21 14:03:51,827 INFO L899 garLoopResultBuilder]: For program point L12-1(lines 11 20) no Hoare annotation was computed. [2022-11-21 14:03:51,827 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-21 14:03:51,828 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-21 14:03:51,828 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-21 14:03:51,828 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-21 14:03:51,828 INFO L895 garLoopResultBuilder]: At program point L27(line 27) the Hoare annotation is: (and (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 10) (= |ULTIMATE.start_main_~p~0#1.offset| 0)) [2022-11-21 14:03:51,828 INFO L899 garLoopResultBuilder]: For program point L27-1(line 27) no Hoare annotation was computed. [2022-11-21 14:03:51,828 INFO L899 garLoopResultBuilder]: For program point L22(lines 22 28) no Hoare annotation was computed. [2022-11-21 14:03:51,828 INFO L899 garLoopResultBuilder]: For program point plusFINAL(lines 6 9) no Hoare annotation was computed. [2022-11-21 14:03:51,829 INFO L895 garLoopResultBuilder]: At program point plusENTRY(lines 6 9) the Hoare annotation is: (let ((.cse5 (select |old(#memory_int)| |plus_#in~p.base|))) (let ((.cse0 (select .cse5 |plus_#in~p.offset|)) (.cse3 (select |#memory_int| |plus_#in~p.base|))) (let ((.cse1 (not (= |plus_#in~p.offset| 0))) (.cse2 (select .cse3 |plus_#in~p.offset|)) (.cse4 (not (< 0 (+ 2147483650 .cse0))))) (and (or (not (= .cse0 10)) .cse1 (= .cse2 10)) (or .cse1 (<= (select .cse3 0) 11) .cse4 (not (<= (select .cse5 0) 11))) (or (and (< 0 (+ 2147483650 .cse2)) (<= .cse2 19)) .cse4 (not (<= .cse0 19))))))) [2022-11-21 14:03:51,829 INFO L899 garLoopResultBuilder]: For program point plusErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7) no Hoare annotation was computed. [2022-11-21 14:03:51,829 INFO L899 garLoopResultBuilder]: For program point plusEXIT(lines 6 9) no Hoare annotation was computed. [2022-11-21 14:03:51,829 INFO L895 garLoopResultBuilder]: At program point L8(line 8) the Hoare annotation is: (let ((.cse7 (select |old(#memory_int)| |plus_#in~p.base|))) (let ((.cse0 (select .cse7 |plus_#in~p.offset|)) (.cse3 (select |#memory_int| plus_~p.base)) (.cse2 (select |#memory_int| |plus_#in~p.base|))) (let ((.cse4 (select .cse2 |plus_#in~p.offset|)) (.cse5 (select .cse3 plus_~p.offset)) (.cse1 (not (= |plus_#in~p.offset| 0))) (.cse6 (not (< 0 (+ 2147483650 .cse0))))) (and (or (not (= .cse0 10)) .cse1 (and (<= (select .cse2 0) 11) (<= (select .cse3 0) 11) (= plus_~p.offset 0))) (or (and (< 0 (+ 2147483650 .cse4)) (< 0 (+ .cse5 2147483650))) .cse6 (not (<= .cse0 19))) (or (and (< .cse4 2147483646) (< .cse5 2147483647)) .cse1 .cse6 (not (<= (select .cse7 0) 11))))))) [2022-11-21 14:03:51,829 INFO L899 garLoopResultBuilder]: For program point L7(line 7) no Hoare annotation was computed. [2022-11-21 14:03:51,830 INFO L899 garLoopResultBuilder]: For program point plusErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 7) no Hoare annotation was computed. [2022-11-21 14:03:51,830 INFO L899 garLoopResultBuilder]: For program point L7-1(line 7) no Hoare annotation was computed. [2022-11-21 14:03:51,833 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2022-11-21 14:03:51,835 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 14:03:51,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 02:03:51 BoogieIcfgContainer [2022-11-21 14:03:51,845 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 14:03:51,846 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 14:03:51,846 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 14:03:51,846 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 14:03:51,847 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:03:45" (3/4) ... [2022-11-21 14:03:51,850 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 14:03:51,856 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure foo [2022-11-21 14:03:51,857 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure plus [2022-11-21 14:03:51,863 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-21 14:03:51,863 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-21 14:03:51,863 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 14:03:51,863 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 14:03:51,863 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 14:03:51,911 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fa0a82-7d09-491a-b58b-80356b063aeb/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 14:03:51,911 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 14:03:51,915 INFO L158 Benchmark]: Toolchain (without parser) took 7220.15ms. Allocated memory was 136.3MB in the beginning and 226.5MB in the end (delta: 90.2MB). Free memory was 105.6MB in the beginning and 134.1MB in the end (delta: -28.5MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. [2022-11-21 14:03:51,916 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 136.3MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 14:03:51,918 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.46ms. Allocated memory is still 136.3MB. Free memory was 105.5MB in the beginning and 95.7MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 14:03:51,918 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.89ms. Allocated memory is still 136.3MB. Free memory was 95.7MB in the beginning and 94.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 14:03:51,918 INFO L158 Benchmark]: Boogie Preprocessor took 43.47ms. Allocated memory is still 136.3MB. Free memory was 94.1MB in the beginning and 93.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 14:03:51,919 INFO L158 Benchmark]: RCFGBuilder took 336.01ms. Allocated memory is still 136.3MB. Free memory was 93.1MB in the beginning and 82.7MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 14:03:51,920 INFO L158 Benchmark]: TraceAbstraction took 6487.20ms. Allocated memory was 136.3MB in the beginning and 226.5MB in the end (delta: 90.2MB). Free memory was 82.0MB in the beginning and 137.2MB in the end (delta: -55.2MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2022-11-21 14:03:51,920 INFO L158 Benchmark]: Witness Printer took 68.93ms. Allocated memory is still 226.5MB. Free memory was 137.2MB in the beginning and 134.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 14:03:51,923 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 136.3MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.46ms. Allocated memory is still 136.3MB. Free memory was 105.5MB in the beginning and 95.7MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.89ms. Allocated memory is still 136.3MB. Free memory was 95.7MB in the beginning and 94.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.47ms. Allocated memory is still 136.3MB. Free memory was 94.1MB in the beginning and 93.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 336.01ms. Allocated memory is still 136.3MB. Free memory was 93.1MB in the beginning and 82.7MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 6487.20ms. Allocated memory was 136.3MB in the beginning and 226.5MB in the end (delta: 90.2MB). Free memory was 82.0MB in the beginning and 137.2MB in the end (delta: -55.2MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. * Witness Printer took 68.93ms. Allocated memory is still 226.5MB. Free memory was 137.2MB in the beginning and 134.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 7]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 6.4s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 78 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 78 mSDsluCounter, 167 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 127 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 353 IncrementalHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 40 mSDtfsCounter, 353 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 156 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 707 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=2, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 17 PreInvPairs, 17 NumberOfFragments, 436 HoareAnnotationTreeSize, 17 FomulaSimplifications, 73 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 312 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 128 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 906 SizeOfPredicates, 44 NumberOfNonLiveVariables, 328 ConjunctsInSsa, 127 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 46/105 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-21 14:03:51,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fa0a82-7d09-491a-b58b-80356b063aeb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE