./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark14_linear.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde80366-05d2-464c-a62b-7cc1488fe7d6/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde80366-05d2-464c-a62b-7cc1488fe7d6/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde80366-05d2-464c-a62b-7cc1488fe7d6/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde80366-05d2-464c-a62b-7cc1488fe7d6/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark14_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde80366-05d2-464c-a62b-7cc1488fe7d6/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde80366-05d2-464c-a62b-7cc1488fe7d6/bin/ukojak-92XMlrwhuB --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 d546657c333a76554ea79d12c15ed9a706336c0cf585eae27f1d478651e7f852 --- 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-dbf71c6-m [2022-10-17 16:51:10,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:51:10,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:51:10,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:51:10,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:51:10,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:51:10,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:51:10,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:51:10,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:51:10,267 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:51:10,268 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:51:10,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:51:10,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:51:10,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:51:10,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:51:10,280 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:51:10,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:51:10,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:51:10,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:51:10,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:51:10,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:51:10,301 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:51:10,306 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:51:10,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:51:10,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:51:10,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:51:10,320 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:51:10,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:51:10,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:51:10,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:51:10,325 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:51:10,333 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:51:10,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:51:10,337 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:51:10,339 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:51:10,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:51:10,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:51:10,341 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:51:10,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:51:10,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:51:10,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:51:10,346 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde80366-05d2-464c-a62b-7cc1488fe7d6/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-10-17 16:51:10,404 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:51:10,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:51:10,406 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:51:10,407 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:51:10,408 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:51:10,408 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:51:10,408 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:51:10,409 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:51:10,409 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:51:10,409 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:51:10,411 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:51:10,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:51:10,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:51:10,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:51:10,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:51:10,412 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 16:51:10,412 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:51:10,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:51:10,413 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:51:10,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:51:10,414 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:51:10,414 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:51:10,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:51:10,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:10,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:51:10,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:51:10,417 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:51:10,418 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:51:10,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:51:10,418 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:51:10,418 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_fde80366-05d2-464c-a62b-7cc1488fe7d6/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde80366-05d2-464c-a62b-7cc1488fe7d6/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d546657c333a76554ea79d12c15ed9a706336c0cf585eae27f1d478651e7f852 [2022-10-17 16:51:10,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:51:10,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:51:10,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:51:10,797 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:51:10,798 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:51:10,800 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde80366-05d2-464c-a62b-7cc1488fe7d6/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loop-zilu/benchmark14_linear.i [2022-10-17 16:51:10,882 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde80366-05d2-464c-a62b-7cc1488fe7d6/bin/ukojak-92XMlrwhuB/data/3592a29ae/58603c7e0b364964aa2ab28ffbadd1e7/FLAGaedf71ebb [2022-10-17 16:51:11,444 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:51:11,445 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde80366-05d2-464c-a62b-7cc1488fe7d6/sv-benchmarks/c/loop-zilu/benchmark14_linear.i [2022-10-17 16:51:11,453 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde80366-05d2-464c-a62b-7cc1488fe7d6/bin/ukojak-92XMlrwhuB/data/3592a29ae/58603c7e0b364964aa2ab28ffbadd1e7/FLAGaedf71ebb [2022-10-17 16:51:11,794 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde80366-05d2-464c-a62b-7cc1488fe7d6/bin/ukojak-92XMlrwhuB/data/3592a29ae/58603c7e0b364964aa2ab28ffbadd1e7 [2022-10-17 16:51:11,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:51:11,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:51:11,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:11,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:51:11,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:51:11,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:11" (1/1) ... [2022-10-17 16:51:11,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b8aa97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:11, skipping insertion in model container [2022-10-17 16:51:11,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:11" (1/1) ... [2022-10-17 16:51:11,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:51:11,842 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:51:12,135 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_fde80366-05d2-464c-a62b-7cc1488fe7d6/sv-benchmarks/c/loop-zilu/benchmark14_linear.i[868,881] [2022-10-17 16:51:12,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:12,155 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:51:12,171 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_fde80366-05d2-464c-a62b-7cc1488fe7d6/sv-benchmarks/c/loop-zilu/benchmark14_linear.i[868,881] [2022-10-17 16:51:12,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:12,191 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:51:12,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:12 WrapperNode [2022-10-17 16:51:12,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:12,193 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:12,193 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:51:12,194 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:51:12,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:12" (1/1) ... [2022-10-17 16:51:12,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:12" (1/1) ... [2022-10-17 16:51:12,232 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2022-10-17 16:51:12,233 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:12,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:51:12,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:51:12,234 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:51:12,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:12" (1/1) ... [2022-10-17 16:51:12,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:12" (1/1) ... [2022-10-17 16:51:12,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:12" (1/1) ... [2022-10-17 16:51:12,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:12" (1/1) ... [2022-10-17 16:51:12,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:12" (1/1) ... [2022-10-17 16:51:12,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:12" (1/1) ... [2022-10-17 16:51:12,256 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:12" (1/1) ... [2022-10-17 16:51:12,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:12" (1/1) ... [2022-10-17 16:51:12,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:51:12,260 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:51:12,260 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:51:12,261 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:51:12,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:12" (1/1) ... [2022-10-17 16:51:12,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:12,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde80366-05d2-464c-a62b-7cc1488fe7d6/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:51:12,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde80366-05d2-464c-a62b-7cc1488fe7d6/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:51:12,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde80366-05d2-464c-a62b-7cc1488fe7d6/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:51:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:51:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:51:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:51:12,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:51:12,441 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:51:12,445 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:51:12,665 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:51:12,711 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:51:12,724 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:51:12,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:12 BoogieIcfgContainer [2022-10-17 16:51:12,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:51:12,728 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:51:12,728 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:51:12,757 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:51:12,757 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:12" (1/1) ... [2022-10-17 16:51:12,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:51:12,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:12,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2022-10-17 16:51:12,851 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2022-10-17 16:51:12,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:51:12,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:12,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:13,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:13,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:13,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2022-10-17 16:51:13,281 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2022-10-17 16:51:13,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:51:13,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:13,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:13,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:13,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:13,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2022-10-17 16:51:13,444 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2022-10-17 16:51:13,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:51:13,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:13,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:13,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:13,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:13,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-10-17 16:51:13,700 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-10-17 16:51:13,701 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:51:13,701 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2022-10-17 16:51:13,713 INFO L754 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2022-10-17 16:51:13,739 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:51:13,747 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-10-17 16:51:13,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:51:13 ImpRootNode [2022-10-17 16:51:13,755 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:51:13,756 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:51:13,756 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:51:13,756 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:51:13,757 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:12" (3/4) ... [2022-10-17 16:51:13,771 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:51:13,786 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-10-17 16:51:13,786 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 16:51:13,787 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:51:13,788 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:51:13,857 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde80366-05d2-464c-a62b-7cc1488fe7d6/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:51:13,857 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:51:13,858 INFO L158 Benchmark]: Toolchain (without parser) took 2056.72ms. Allocated memory is still 100.7MB. Free memory was 77.0MB in the beginning and 36.4MB in the end (delta: 40.5MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2022-10-17 16:51:13,859 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 100.7MB. Free memory was 70.3MB in the beginning and 70.2MB in the end (delta: 55.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:51:13,860 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.17ms. Allocated memory is still 100.7MB. Free memory was 76.7MB in the beginning and 75.7MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:51:13,860 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.97ms. Allocated memory is still 100.7MB. Free memory was 75.7MB in the beginning and 74.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:51:13,861 INFO L158 Benchmark]: Boogie Preprocessor took 25.57ms. Allocated memory is still 100.7MB. Free memory was 74.1MB in the beginning and 73.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:51:13,862 INFO L158 Benchmark]: RCFGBuilder took 466.97ms. Allocated memory is still 100.7MB. Free memory was 73.1MB in the beginning and 63.1MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:51:13,863 INFO L158 Benchmark]: CodeCheck took 1026.55ms. Allocated memory is still 100.7MB. Free memory was 62.8MB in the beginning and 38.7MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-10-17 16:51:13,863 INFO L158 Benchmark]: Witness Printer took 101.84ms. Allocated memory is still 100.7MB. Free memory was 38.7MB in the beginning and 36.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:51:13,877 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, 9 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 61 IncrementalHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 6 mSDtfsCounter, 61 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 105 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 31 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 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: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: i <= 200 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 100.7MB. Free memory was 70.3MB in the beginning and 70.2MB in the end (delta: 55.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.17ms. Allocated memory is still 100.7MB. Free memory was 76.7MB in the beginning and 75.7MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.97ms. Allocated memory is still 100.7MB. Free memory was 75.7MB in the beginning and 74.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.57ms. Allocated memory is still 100.7MB. Free memory was 74.1MB in the beginning and 73.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 466.97ms. Allocated memory is still 100.7MB. Free memory was 73.1MB in the beginning and 63.1MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1026.55ms. Allocated memory is still 100.7MB. Free memory was 62.8MB in the beginning and 38.7MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 101.84ms. Allocated memory is still 100.7MB. Free memory was 38.7MB in the beginning and 36.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:51:13,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fde80366-05d2-464c-a62b-7cc1488fe7d6/bin/ukojak-92XMlrwhuB/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