./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark43_conjunctive_abstracted.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_b377371b-dbcf-4280-8e38-724b99d31a60/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b377371b-dbcf-4280-8e38-724b99d31a60/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b377371b-dbcf-4280-8e38-724b99d31a60/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b377371b-dbcf-4280-8e38-724b99d31a60/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark43_conjunctive_abstracted.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b377371b-dbcf-4280-8e38-724b99d31a60/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b377371b-dbcf-4280-8e38-724b99d31a60/bin/ukojak-pZX7IvK2PQ --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 95b5179edb030463668b341d624243529de83b4afda6c4d2e0bf3bc1cb57b210 --- 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-6b4ec56 [2022-11-20 17:15:31,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:15:31,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:15:31,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:15:31,224 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:15:31,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:15:31,233 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:15:31,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:15:31,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:15:31,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:15:31,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:15:31,248 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:15:31,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:15:31,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:15:31,254 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:15:31,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:15:31,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:15:31,259 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:15:31,261 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:15:31,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:15:31,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:15:31,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:15:31,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:15:31,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:15:31,284 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:15:31,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:15:31,285 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:15:31,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:15:31,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:15:31,289 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:15:31,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:15:31,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:15:31,293 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:15:31,294 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:15:31,296 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:15:31,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:15:31,297 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:15:31,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:15:31,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:15:31,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:15:31,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:15:31,301 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b377371b-dbcf-4280-8e38-724b99d31a60/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:15:31,337 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:15:31,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:15:31,339 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:15:31,340 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:15:31,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:15:31,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:15:31,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:15:31,341 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:15:31,341 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:15:31,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:15:31,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:15:31,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:15:31,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:15:31,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:15:31,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:15:31,344 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:15:31,344 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:15:31,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:15:31,344 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:15:31,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:15:31,345 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:15:31,345 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:15:31,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:15:31,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:15:31,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:15:31,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:15:31,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:15:31,347 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:15:31,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:15:31,348 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:15:31,348 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_b377371b-dbcf-4280-8e38-724b99d31a60/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b377371b-dbcf-4280-8e38-724b99d31a60/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95b5179edb030463668b341d624243529de83b4afda6c4d2e0bf3bc1cb57b210 [2022-11-20 17:15:31,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:15:31,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:15:31,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:15:31,687 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:15:31,688 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:15:31,689 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b377371b-dbcf-4280-8e38-724b99d31a60/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/loop-zilu/benchmark43_conjunctive_abstracted.i [2022-11-20 17:15:34,724 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:15:34,926 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:15:34,927 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b377371b-dbcf-4280-8e38-724b99d31a60/sv-benchmarks/c/loop-zilu/benchmark43_conjunctive_abstracted.i [2022-11-20 17:15:34,933 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b377371b-dbcf-4280-8e38-724b99d31a60/bin/ukojak-pZX7IvK2PQ/data/82cc2d3eb/4ab69f33e33b4d92a802013ad06a0e4f/FLAG269e751ab [2022-11-20 17:15:34,947 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b377371b-dbcf-4280-8e38-724b99d31a60/bin/ukojak-pZX7IvK2PQ/data/82cc2d3eb/4ab69f33e33b4d92a802013ad06a0e4f [2022-11-20 17:15:34,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:15:34,951 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:15:34,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:15:34,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:15:34,956 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:15:34,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:15:34" (1/1) ... [2022-11-20 17:15:34,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50fe86ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:15:34, skipping insertion in model container [2022-11-20 17:15:34,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:15:34" (1/1) ... [2022-11-20 17:15:34,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:15:35,029 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:15:35,198 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_b377371b-dbcf-4280-8e38-724b99d31a60/sv-benchmarks/c/loop-zilu/benchmark43_conjunctive_abstracted.i[909,922] [2022-11-20 17:15:35,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:15:35,217 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:15:35,230 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_b377371b-dbcf-4280-8e38-724b99d31a60/sv-benchmarks/c/loop-zilu/benchmark43_conjunctive_abstracted.i[909,922] [2022-11-20 17:15:35,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:15:35,250 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:15:35,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:15:35 WrapperNode [2022-11-20 17:15:35,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:15:35,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:15:35,252 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:15:35,252 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:15:35,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:15:35" (1/1) ... [2022-11-20 17:15:35,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:15:35" (1/1) ... [2022-11-20 17:15:35,296 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2022-11-20 17:15:35,297 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:15:35,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:15:35,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:15:35,298 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:15:35,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:15:35" (1/1) ... [2022-11-20 17:15:35,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:15:35" (1/1) ... [2022-11-20 17:15:35,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:15:35" (1/1) ... [2022-11-20 17:15:35,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:15:35" (1/1) ... [2022-11-20 17:15:35,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:15:35" (1/1) ... [2022-11-20 17:15:35,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:15:35" (1/1) ... [2022-11-20 17:15:35,328 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:15:35" (1/1) ... [2022-11-20 17:15:35,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:15:35" (1/1) ... [2022-11-20 17:15:35,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:15:35,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:15:35,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:15:35,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:15:35,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:15:35" (1/1) ... [2022-11-20 17:15:35,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:15:35,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b377371b-dbcf-4280-8e38-724b99d31a60/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:15:35,367 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b377371b-dbcf-4280-8e38-724b99d31a60/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:15:35,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b377371b-dbcf-4280-8e38-724b99d31a60/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:15:35,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:15:35,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:15:35,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:15:35,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:15:35,496 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:15:35,499 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:15:35,715 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:15:35,746 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:15:35,747 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:15:35,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:15:35 BoogieIcfgContainer [2022-11-20 17:15:35,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:15:35,751 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:15:35,751 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:15:35,761 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:15:35,762 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:15:35" (1/1) ... [2022-11-20 17:15:35,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:15:35,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:15:35,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2022-11-20 17:15:35,827 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-11-20 17:15:35,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:15:35,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:15:35,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:15:35,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:15:36,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:15:36,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:15:36,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2022-11-20 17:15:36,200 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-11-20 17:15:36,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:15:36,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:15:36,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:15:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:15:36,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:15:36,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:15:36,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-11-20 17:15:36,374 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-11-20 17:15:36,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:15:36,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:15:36,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:15:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:15:36,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:15:36,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:15:36,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2022-11-20 17:15:36,603 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-20 17:15:36,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:15:36,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:15:36,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:15:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:15:36,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:15:36,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:15:36,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2022-11-20 17:15:36,913 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-11-20 17:15:36,914 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:15:36,914 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2022-11-20 17:15:36,922 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 17:15:36,953 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:15:36,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:15:36 ImpRootNode [2022-11-20 17:15:36,958 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:15:36,959 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:15:36,959 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:15:36,959 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:15:36,960 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:15:35" (3/4) ... [2022-11-20 17:15:36,963 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:15:36,973 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-20 17:15:36,973 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 17:15:36,973 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 17:15:36,974 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:15:37,010 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b377371b-dbcf-4280-8e38-724b99d31a60/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:15:37,010 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:15:37,011 INFO L158 Benchmark]: Toolchain (without parser) took 2059.82ms. Allocated memory is still 159.4MB. Free memory was 120.8MB in the beginning and 123.0MB in the end (delta: -2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:15:37,011 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 119.5MB. Free memory is still 87.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:15:37,012 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.14ms. Allocated memory is still 159.4MB. Free memory was 120.8MB in the beginning and 123.6MB in the end (delta: -2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:15:37,012 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.71ms. Allocated memory is still 159.4MB. Free memory was 123.6MB in the beginning and 121.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:15:37,013 INFO L158 Benchmark]: Boogie Preprocessor took 33.40ms. Allocated memory is still 159.4MB. Free memory was 121.9MB in the beginning and 120.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:15:37,013 INFO L158 Benchmark]: RCFGBuilder took 418.01ms. Allocated memory is still 159.4MB. Free memory was 120.5MB in the beginning and 107.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 17:15:37,014 INFO L158 Benchmark]: CodeCheck took 1207.56ms. Allocated memory is still 159.4MB. Free memory was 107.9MB in the beginning and 125.1MB in the end (delta: -17.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:15:37,014 INFO L158 Benchmark]: Witness Printer took 51.52ms. Allocated memory is still 159.4MB. Free memory was 125.1MB in the beginning and 123.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:15:37,016 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 16 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 62 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 148 IncrementalHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 12 mSDtfsCounter, 148 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 191 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 66 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 119.5MB. Free memory is still 87.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.14ms. Allocated memory is still 159.4MB. Free memory was 120.8MB in the beginning and 123.6MB in the end (delta: -2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.71ms. Allocated memory is still 159.4MB. Free memory was 123.6MB in the beginning and 121.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.40ms. Allocated memory is still 159.4MB. Free memory was 121.9MB in the beginning and 120.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 418.01ms. Allocated memory is still 159.4MB. Free memory was 120.5MB in the beginning and 107.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 1207.56ms. Allocated memory is still 159.4MB. Free memory was 107.9MB in the beginning and 125.1MB in the end (delta: -17.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 51.52ms. Allocated memory is still 159.4MB. Free memory was 125.1MB in the beginning and 123.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:15:37,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b377371b-dbcf-4280-8e38-724b99d31a60/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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