./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5914c4745abcb0dcb313c2b575f4f16975b523b456d4ed119a355a5c133e341f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:40:10,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:40:10,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:40:11,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:40:11,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:40:11,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:40:11,047 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:40:11,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:40:11,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:40:11,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:40:11,057 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:40:11,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:40:11,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:40:11,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:40:11,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:40:11,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:40:11,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:40:11,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:40:11,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:40:11,078 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:40:11,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:40:11,083 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:40:11,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:40:11,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:40:11,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:40:11,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:40:11,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:40:11,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:40:11,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:40:11,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:40:11,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:40:11,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:40:11,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:40:11,104 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:40:11,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:40:11,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:40:11,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:40:11,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:40:11,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:40:11,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:40:11,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:40:11,114 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 01:40:11,170 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:40:11,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:40:11,171 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:40:11,172 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:40:11,178 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:40:11,178 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:40:11,178 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:40:11,179 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:40:11,179 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:40:11,179 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:40:11,181 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:40:11,181 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:40:11,181 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:40:11,182 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:40:11,182 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:40:11,182 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:40:11,183 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:40:11,183 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:40:11,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:40:11,184 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:40:11,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:40:11,185 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:40:11,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:40:11,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:40:11,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:40:11,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:40:11,189 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:40:11,189 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:40:11,189 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:40:11,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:40:11,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:40:11,191 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:40:11,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:40:11,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:40:11,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:40:11,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:40:11,192 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:40:11,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:40:11,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:40:11,193 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:40:11,193 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:40:11,194 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5914c4745abcb0dcb313c2b575f4f16975b523b456d4ed119a355a5c133e341f [2021-11-21 01:40:11,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:40:11,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:40:11,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:40:11,580 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:40:11,581 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:40:11,583 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2021-11-21 01:40:11,701 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/data/e7ff6c9b8/96984c9bf4d94ed9b975eef732d1cb39/FLAG64a8fe9a6 [2021-11-21 01:40:12,278 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:40:12,279 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2021-11-21 01:40:12,286 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/data/e7ff6c9b8/96984c9bf4d94ed9b975eef732d1cb39/FLAG64a8fe9a6 [2021-11-21 01:40:12,621 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/data/e7ff6c9b8/96984c9bf4d94ed9b975eef732d1cb39 [2021-11-21 01:40:12,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:40:12,627 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:40:12,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:40:12,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:40:12,634 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:40:12,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:40:12" (1/1) ... [2021-11-21 01:40:12,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ee94f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:40:12, skipping insertion in model container [2021-11-21 01:40:12,637 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:40:12" (1/1) ... [2021-11-21 01:40:12,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:40:12,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:40:12,864 WARN L230 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_05ac6789-4b72-4f27-a792-b48b14ef0f43/sv-benchmarks/c/loop-invariants/bin-suffix-5.c[359,372] [2021-11-21 01:40:12,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:40:12,895 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:40:12,910 WARN L230 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_05ac6789-4b72-4f27-a792-b48b14ef0f43/sv-benchmarks/c/loop-invariants/bin-suffix-5.c[359,372] [2021-11-21 01:40:12,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:40:12,928 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:40:12,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:40:12 WrapperNode [2021-11-21 01:40:12,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:40:12,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:40:12,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:40:12,931 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:40:12,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:40:12" (1/1) ... [2021-11-21 01:40:12,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:40:12" (1/1) ... [2021-11-21 01:40:12,970 INFO L137 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 28 [2021-11-21 01:40:12,972 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:40:12,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:40:12,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:40:12,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:40:12,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:40:12" (1/1) ... [2021-11-21 01:40:12,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:40:12" (1/1) ... [2021-11-21 01:40:12,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:40:12" (1/1) ... [2021-11-21 01:40:12,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:40:12" (1/1) ... [2021-11-21 01:40:12,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:40:12" (1/1) ... [2021-11-21 01:40:12,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:40:12" (1/1) ... [2021-11-21 01:40:12,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:40:12" (1/1) ... [2021-11-21 01:40:13,000 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:40:13,001 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:40:13,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:40:13,002 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:40:13,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:40:12" (1/1) ... [2021-11-21 01:40:13,013 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:40:13,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:40:13,042 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:40:13,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:40:13,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:40:13,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:40:13,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:40:13,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:40:13,163 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:40:13,165 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:40:13,275 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:40:13,290 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:40:13,291 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 01:40:13,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:40:13 BoogieIcfgContainer [2021-11-21 01:40:13,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:40:13,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:40:13,297 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:40:13,301 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:40:13,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:40:12" (1/3) ... [2021-11-21 01:40:13,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c22fb1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:40:13, skipping insertion in model container [2021-11-21 01:40:13,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:40:12" (2/3) ... [2021-11-21 01:40:13,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c22fb1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:40:13, skipping insertion in model container [2021-11-21 01:40:13,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:40:13" (3/3) ... [2021-11-21 01:40:13,306 INFO L111 eAbstractionObserver]: Analyzing ICFG bin-suffix-5.c [2021-11-21 01:40:13,313 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:40:13,313 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 01:40:13,377 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:40:13,388 INFO L339 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=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 01:40:13,388 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 01:40:13,407 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:40:13,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 01:40:13,414 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:40:13,415 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-21 01:40:13,416 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:40:13,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:40:13,424 INFO L85 PathProgramCache]: Analyzing trace with hash 58614883, now seen corresponding path program 1 times [2021-11-21 01:40:13,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:40:13,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328097468] [2021-11-21 01:40:13,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:40:13,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:40:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:40:13,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:40:13,707 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:40:13,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328097468] [2021-11-21 01:40:13,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328097468] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:40:13,709 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:40:13,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:40:13,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897267435] [2021-11-21 01:40:13,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:40:13,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-21 01:40:13,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:40:13,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-21 01:40:13,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 01:40:13,754 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:40:13,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:40:13,777 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2021-11-21 01:40:13,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-21 01:40:13,780 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-11-21 01:40:13,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:40:13,790 INFO L225 Difference]: With dead ends: 15 [2021-11-21 01:40:13,790 INFO L226 Difference]: Without dead ends: 7 [2021-11-21 01:40:13,794 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 01:40:13,799 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:40:13,800 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 7 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-21 01:40:13,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2021-11-21 01:40:13,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-11-21 01:40:13,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 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) [2021-11-21 01:40:13,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2021-11-21 01:40:13,861 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2021-11-21 01:40:13,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:40:13,862 INFO L470 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2021-11-21 01:40:13,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:40:13,863 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2021-11-21 01:40:13,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 01:40:13,863 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:40:13,864 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-21 01:40:13,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:40:13,865 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:40:13,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:40:13,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1810415056, now seen corresponding path program 1 times [2021-11-21 01:40:13,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:40:13,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947423456] [2021-11-21 01:40:13,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:40:13,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:40:13,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 01:40:13,925 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 01:40:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 01:40:13,989 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-21 01:40:13,990 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-21 01:40:13,992 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-21 01:40:13,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 01:40:14,007 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-21 01:40:14,012 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-21 01:40:14,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 01:40:14 BoogieIcfgContainer [2021-11-21 01:40:14,036 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-21 01:40:14,037 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 01:40:14,037 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 01:40:14,038 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 01:40:14,038 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:40:13" (3/4) ... [2021-11-21 01:40:14,041 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-21 01:40:14,041 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 01:40:14,043 INFO L158 Benchmark]: Toolchain (without parser) took 1415.34ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 58.2MB in the beginning and 60.5MB in the end (delta: -2.3MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2021-11-21 01:40:14,043 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 94.4MB. Free memory was 65.7MB in the beginning and 65.7MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:40:14,045 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.06ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 58.2MB in the beginning and 94.0MB in the end (delta: -35.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 01:40:14,046 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.47ms. Allocated memory is still 119.5MB. Free memory was 94.0MB in the beginning and 92.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 01:40:14,046 INFO L158 Benchmark]: Boogie Preprocessor took 26.97ms. Allocated memory is still 119.5MB. Free memory was 92.6MB in the beginning and 92.0MB in the end (delta: 614.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:40:14,047 INFO L158 Benchmark]: RCFGBuilder took 292.96ms. Allocated memory is still 119.5MB. Free memory was 92.0MB in the beginning and 82.7MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 01:40:14,048 INFO L158 Benchmark]: TraceAbstraction took 740.07ms. Allocated memory is still 119.5MB. Free memory was 82.1MB in the beginning and 60.5MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-21 01:40:14,049 INFO L158 Benchmark]: Witness Printer took 4.08ms. Allocated memory is still 119.5MB. Free memory is still 60.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:40:14,054 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 94.4MB. Free memory was 65.7MB in the beginning and 65.7MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.06ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 58.2MB in the beginning and 94.0MB in the end (delta: -35.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.47ms. Allocated memory is still 119.5MB. Free memory was 94.0MB in the beginning and 92.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.97ms. Allocated memory is still 119.5MB. Free memory was 92.6MB in the beginning and 92.0MB in the end (delta: 614.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 292.96ms. Allocated memory is still 119.5MB. Free memory was 92.0MB in the beginning and 82.7MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 740.07ms. Allocated memory is still 119.5MB. Free memory was 82.1MB in the beginning and 60.5MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 4.08ms. Allocated memory is still 119.5MB. Free memory is still 60.5MB. There was no memory consumed. 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 - UnprovableResult [Line: 7]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 16. Possible FailurePath: [L12] unsigned int x = 5; VAL [x=5] [L13] COND FALSE !(__VERIFIER_nondet_int()) [L16] CALL __VERIFIER_assert((x & 5) == 5) [L6] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L7] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 7 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-21 01:40:14,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5914c4745abcb0dcb313c2b575f4f16975b523b456d4ed119a355a5c133e341f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:40:17,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:40:17,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:40:17,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:40:17,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:40:17,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:40:17,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:40:17,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:40:17,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:40:17,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:40:17,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:40:17,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:40:17,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:40:17,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:40:17,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:40:17,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:40:17,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:40:17,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:40:17,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:40:17,287 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:40:17,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:40:17,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:40:17,302 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:40:17,304 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:40:17,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:40:17,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:40:17,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:40:17,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:40:17,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:40:17,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:40:17,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:40:17,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:40:17,327 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:40:17,329 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:40:17,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:40:17,331 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:40:17,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:40:17,333 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:40:17,333 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:40:17,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:40:17,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:40:17,338 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-21 01:40:17,398 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:40:17,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:40:17,399 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:40:17,399 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:40:17,401 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:40:17,401 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:40:17,401 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:40:17,401 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:40:17,402 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:40:17,402 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:40:17,403 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:40:17,404 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:40:17,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:40:17,406 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:40:17,407 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:40:17,407 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:40:17,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:40:17,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:40:17,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:40:17,408 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-21 01:40:17,408 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-21 01:40:17,409 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:40:17,409 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:40:17,409 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:40:17,409 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:40:17,410 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:40:17,410 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-21 01:40:17,410 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:40:17,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:40:17,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:40:17,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:40:17,411 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:40:17,412 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-21 01:40:17,412 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-21 01:40:17,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:40:17,413 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:40:17,413 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:40:17,414 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5914c4745abcb0dcb313c2b575f4f16975b523b456d4ed119a355a5c133e341f [2021-11-21 01:40:17,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:40:17,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:40:17,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:40:17,926 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:40:17,927 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:40:17,929 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2021-11-21 01:40:18,022 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/data/c43aeb118/f9692b831f66438b84d207a9511b6d1e/FLAG864a5337f [2021-11-21 01:40:18,691 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:40:18,692 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2021-11-21 01:40:18,700 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/data/c43aeb118/f9692b831f66438b84d207a9511b6d1e/FLAG864a5337f [2021-11-21 01:40:19,033 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/data/c43aeb118/f9692b831f66438b84d207a9511b6d1e [2021-11-21 01:40:19,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:40:19,039 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:40:19,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:40:19,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:40:19,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:40:19,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:40:19" (1/1) ... [2021-11-21 01:40:19,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b8ca3ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:40:19, skipping insertion in model container [2021-11-21 01:40:19,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:40:19" (1/1) ... [2021-11-21 01:40:19,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:40:19,087 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:40:19,317 WARN L230 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_05ac6789-4b72-4f27-a792-b48b14ef0f43/sv-benchmarks/c/loop-invariants/bin-suffix-5.c[359,372] [2021-11-21 01:40:19,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:40:19,344 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:40:19,370 WARN L230 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_05ac6789-4b72-4f27-a792-b48b14ef0f43/sv-benchmarks/c/loop-invariants/bin-suffix-5.c[359,372] [2021-11-21 01:40:19,373 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:40:19,391 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:40:19,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:40:19 WrapperNode [2021-11-21 01:40:19,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:40:19,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:40:19,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:40:19,393 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:40:19,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:40:19" (1/1) ... [2021-11-21 01:40:19,421 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:40:19" (1/1) ... [2021-11-21 01:40:19,443 INFO L137 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 27 [2021-11-21 01:40:19,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:40:19,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:40:19,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:40:19,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:40:19,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:40:19" (1/1) ... [2021-11-21 01:40:19,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:40:19" (1/1) ... [2021-11-21 01:40:19,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:40:19" (1/1) ... [2021-11-21 01:40:19,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:40:19" (1/1) ... [2021-11-21 01:40:19,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:40:19" (1/1) ... [2021-11-21 01:40:19,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:40:19" (1/1) ... [2021-11-21 01:40:19,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:40:19" (1/1) ... [2021-11-21 01:40:19,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:40:19,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:40:19,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:40:19,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:40:19,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:40:19" (1/1) ... [2021-11-21 01:40:19,505 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:40:19,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:40:19,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:40:19,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:40:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:40:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:40:19,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:40:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-21 01:40:19,686 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:40:19,688 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:40:19,844 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:40:19,852 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:40:19,861 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 01:40:19,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:40:19 BoogieIcfgContainer [2021-11-21 01:40:19,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:40:19,872 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:40:19,872 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:40:19,875 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:40:19,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:40:19" (1/3) ... [2021-11-21 01:40:19,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b58b34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:40:19, skipping insertion in model container [2021-11-21 01:40:19,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:40:19" (2/3) ... [2021-11-21 01:40:19,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b58b34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:40:19, skipping insertion in model container [2021-11-21 01:40:19,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:40:19" (3/3) ... [2021-11-21 01:40:19,881 INFO L111 eAbstractionObserver]: Analyzing ICFG bin-suffix-5.c [2021-11-21 01:40:19,889 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:40:19,889 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 01:40:19,970 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:40:19,985 INFO L339 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=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 01:40:19,986 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 01:40:20,010 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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) [2021-11-21 01:40:20,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 01:40:20,034 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:40:20,035 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-21 01:40:20,036 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:40:20,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:40:20,045 INFO L85 PathProgramCache]: Analyzing trace with hash 889633835, now seen corresponding path program 1 times [2021-11-21 01:40:20,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 01:40:20,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [842148557] [2021-11-21 01:40:20,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:40:20,062 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 01:40:20,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 01:40:20,071 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 01:40:20,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-21 01:40:20,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:40:20,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-21 01:40:20,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:40:20,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:40:20,440 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:40:20,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:40:20,523 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 01:40:20,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [842148557] [2021-11-21 01:40:20,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [842148557] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-21 01:40:20,525 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:40:20,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-21 01:40:20,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634147702] [2021-11-21 01:40:20,529 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-21 01:40:20,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 01:40:20,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 01:40:20,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 01:40:20,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-21 01:40:20,583 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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) [2021-11-21 01:40:20,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:40:20,680 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2021-11-21 01:40:20,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:40:20,683 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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) Word has length 6 [2021-11-21 01:40:20,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:40:20,691 INFO L225 Difference]: With dead ends: 24 [2021-11-21 01:40:20,692 INFO L226 Difference]: Without dead ends: 0 [2021-11-21 01:40:20,696 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-21 01:40:20,704 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 18 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:40:20,707 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 18 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-21 01:40:20,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-21 01:40:20,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-21 01:40:20,739 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) [2021-11-21 01:40:20,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-21 01:40:20,742 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2021-11-21 01:40:20,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:40:20,743 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-21 01:40:20,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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) [2021-11-21 01:40:20,744 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-21 01:40:20,744 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-21 01:40:20,748 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-21 01:40:20,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:40:20,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 01:40:20,965 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-21 01:40:21,035 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-21 01:40:21,036 INFO L854 garLoopResultBuilder]: At program point L17(lines 11 18) the Hoare annotation is: (and (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) (= (bvand (_ bv5 32) |ULTIMATE.start_main_~x~0#1|) (_ bv5 32))) [2021-11-21 01:40:21,036 INFO L854 garLoopResultBuilder]: At program point L13-2(lines 13 15) the Hoare annotation is: (= (bvand (_ bv5 32) |ULTIMATE.start_main_~x~0#1|) (_ bv5 32)) [2021-11-21 01:40:21,036 INFO L858 garLoopResultBuilder]: For program point L13-3(lines 13 15) no Hoare annotation was computed. [2021-11-21 01:40:21,037 INFO L858 garLoopResultBuilder]: For program point L7(line 7) no Hoare annotation was computed. [2021-11-21 01:40:21,037 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-21 01:40:21,037 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-21 01:40:21,038 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-21 01:40:21,038 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2021-11-21 01:40:21,038 INFO L858 garLoopResultBuilder]: For program point L6(lines 6 8) no Hoare annotation was computed. [2021-11-21 01:40:21,039 INFO L854 garLoopResultBuilder]: At program point L6-2(lines 5 10) the Hoare annotation is: (and (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) (= (bvand (_ bv5 32) |ULTIMATE.start_main_~x~0#1|) (_ bv5 32))) [2021-11-21 01:40:21,043 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-21 01:40:21,046 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-21 01:40:21,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 01:40:21 BoogieIcfgContainer [2021-11-21 01:40:21,080 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-21 01:40:21,081 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 01:40:21,081 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 01:40:21,081 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 01:40:21,082 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:40:19" (3/4) ... [2021-11-21 01:40:21,100 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-21 01:40:21,112 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-21 01:40:21,113 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-21 01:40:21,113 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-21 01:40:21,113 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-21 01:40:21,150 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/witness.graphml [2021-11-21 01:40:21,151 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 01:40:21,152 INFO L158 Benchmark]: Toolchain (without parser) took 2112.97ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 51.8MB in the beginning and 58.2MB in the end (delta: -6.4MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2021-11-21 01:40:21,153 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 69.2MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:40:21,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.60ms. Allocated memory is still 69.2MB. Free memory was 51.5MB in the beginning and 53.1MB in the end (delta: -1.5MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2021-11-21 01:40:21,154 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.01ms. Allocated memory is still 69.2MB. Free memory was 52.9MB in the beginning and 51.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 01:40:21,155 INFO L158 Benchmark]: Boogie Preprocessor took 41.82ms. Allocated memory is still 69.2MB. Free memory was 51.5MB in the beginning and 50.6MB in the end (delta: 968.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:40:21,156 INFO L158 Benchmark]: RCFGBuilder took 380.60ms. Allocated memory is still 69.2MB. Free memory was 50.6MB in the beginning and 42.4MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 01:40:21,157 INFO L158 Benchmark]: TraceAbstraction took 1208.55ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 42.0MB in the beginning and 60.8MB in the end (delta: -18.8MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2021-11-21 01:40:21,158 INFO L158 Benchmark]: Witness Printer took 69.99ms. Allocated memory is still 94.4MB. Free memory was 60.8MB in the beginning and 58.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 01:40:21,163 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 69.2MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.60ms. Allocated memory is still 69.2MB. Free memory was 51.5MB in the beginning and 53.1MB in the end (delta: -1.5MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.01ms. Allocated memory is still 69.2MB. Free memory was 52.9MB in the beginning and 51.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.82ms. Allocated memory is still 69.2MB. Free memory was 51.5MB in the beginning and 50.6MB in the end (delta: 968.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 380.60ms. Allocated memory is still 69.2MB. Free memory was 50.6MB in the beginning and 42.4MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1208.55ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 42.0MB in the beginning and 60.8MB in the end (delta: -18.8MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * Witness Printer took 69.99ms. Allocated memory is still 94.4MB. Free memory was 60.8MB in the beginning and 58.2MB in the end (delta: 2.6MB). 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]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 6 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 8 NumberOfFragments, 23 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 20 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 2 NumberOfNonLiveVariables, 20 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 1 specifications checked. All of them hold - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: cond == 1bv32 && ~bvand32(5bv32, x) == 5bv32 - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: cond == 1bv32 && ~bvand32(5bv32, x) == 5bv32 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: ~bvand32(5bv32, x) == 5bv32 RESULT: Ultimate proved your program to be correct! [2021-11-21 01:40:21,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ac6789-4b72-4f27-a792-b48b14ef0f43/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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