./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b151daf4-1ea1-4086-9f7d-cc6f5ad67051/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b151daf4-1ea1-4086-9f7d-cc6f5ad67051/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b151daf4-1ea1-4086-9f7d-cc6f5ad67051/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b151daf4-1ea1-4086-9f7d-cc6f5ad67051/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b151daf4-1ea1-4086-9f7d-cc6f5ad67051/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b151daf4-1ea1-4086-9f7d-cc6f5ad67051/bin/ukojak-2xVlg8857e --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 56797e61f5ee281c00742e683df6d32e4d423773c50b7f1c748881e4f8402597 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:14:34,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:14:34,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:14:34,164 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:14:34,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:14:34,169 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:14:34,171 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:14:34,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:14:34,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:14:34,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:14:34,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:14:34,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:14:34,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:14:34,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:14:34,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:14:34,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:14:34,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:14:34,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:14:34,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:14:34,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:14:34,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:14:34,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:14:34,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:14:34,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:14:34,233 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:14:34,233 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:14:34,234 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:14:34,236 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:14:34,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:14:34,238 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:14:34,239 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:14:34,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:14:34,242 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:14:34,243 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:14:34,245 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:14:34,245 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:14:34,246 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:14:34,246 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:14:34,246 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:14:34,247 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:14:34,248 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:14:34,249 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b151daf4-1ea1-4086-9f7d-cc6f5ad67051/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-13 23:14:34,285 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:14:34,297 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:14:34,298 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:14:34,298 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:14:34,299 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:14:34,299 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:14:34,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:14:34,300 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:14:34,300 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:14:34,300 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:14:34,300 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:14:34,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:14:34,301 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:14:34,301 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:14:34,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:14:34,301 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 23:14:34,302 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:14:34,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:14:34,302 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:14:34,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:14:34,303 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:14:34,303 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:14:34,304 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:14:34,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:14:34,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:14:34,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:14:34,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:14:34,308 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:14:34,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:14:34,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:14:34,309 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_b151daf4-1ea1-4086-9f7d-cc6f5ad67051/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b151daf4-1ea1-4086-9f7d-cc6f5ad67051/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56797e61f5ee281c00742e683df6d32e4d423773c50b7f1c748881e4f8402597 [2021-11-13 23:14:34,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:14:34,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:14:34,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:14:34,632 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:14:34,633 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:14:34,635 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b151daf4-1ea1-4086-9f7d-cc6f5ad67051/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.i [2021-11-13 23:14:34,705 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b151daf4-1ea1-4086-9f7d-cc6f5ad67051/bin/ukojak-2xVlg8857e/data/46ccdea16/bab687bd068e42eda756293f6913dabb/FLAG2de11721d [2021-11-13 23:14:35,155 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:14:35,156 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b151daf4-1ea1-4086-9f7d-cc6f5ad67051/sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.i [2021-11-13 23:14:35,166 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b151daf4-1ea1-4086-9f7d-cc6f5ad67051/bin/ukojak-2xVlg8857e/data/46ccdea16/bab687bd068e42eda756293f6913dabb/FLAG2de11721d [2021-11-13 23:14:35,190 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b151daf4-1ea1-4086-9f7d-cc6f5ad67051/bin/ukojak-2xVlg8857e/data/46ccdea16/bab687bd068e42eda756293f6913dabb [2021-11-13 23:14:35,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:14:35,197 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:14:35,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:14:35,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:14:35,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:14:35,202 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:14:35" (1/1) ... [2021-11-13 23:14:35,205 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33ea3960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:35, skipping insertion in model container [2021-11-13 23:14:35,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:14:35" (1/1) ... [2021-11-13 23:14:35,212 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:14:35,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:14:35,446 WARN L228 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_b151daf4-1ea1-4086-9f7d-cc6f5ad67051/sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.i[873,886] [2021-11-13 23:14:35,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:14:35,461 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:14:35,474 WARN L228 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_b151daf4-1ea1-4086-9f7d-cc6f5ad67051/sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.i[873,886] [2021-11-13 23:14:35,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:14:35,491 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:14:35,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:35 WrapperNode [2021-11-13 23:14:35,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:14:35,493 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:14:35,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:14:35,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:14:35,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:35" (1/1) ... [2021-11-13 23:14:35,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:35" (1/1) ... [2021-11-13 23:14:35,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:14:35,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:14:35,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:14:35,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:14:35,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:35" (1/1) ... [2021-11-13 23:14:35,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:35" (1/1) ... [2021-11-13 23:14:35,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:35" (1/1) ... [2021-11-13 23:14:35,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:35" (1/1) ... [2021-11-13 23:14:35,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:35" (1/1) ... [2021-11-13 23:14:35,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:35" (1/1) ... [2021-11-13 23:14:35,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:35" (1/1) ... [2021-11-13 23:14:35,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:14:35,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:14:35,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:14:35,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:14:35,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:35" (1/1) ... [2021-11-13 23:14:35,562 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:14:35,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b151daf4-1ea1-4086-9f7d-cc6f5ad67051/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:14:35,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b151daf4-1ea1-4086-9f7d-cc6f5ad67051/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:14:35,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b151daf4-1ea1-4086-9f7d-cc6f5ad67051/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:14:35,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:14:35,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:14:35,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:14:35,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:14:35,816 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:14:35,816 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 23:14:35,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:14:35 BoogieIcfgContainer [2021-11-13 23:14:35,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:14:35,820 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:14:35,820 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:14:35,830 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:14:35,831 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:14:35" (1/1) ... [2021-11-13 23:14:35,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:14:35,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:35,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2021-11-13 23:14:35,895 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2021-11-13 23:14:35,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:14:35,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:35,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:36,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:36,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:36,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2021-11-13 23:14:36,074 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2021-11-13 23:14:36,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:14:36,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:36,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:36,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:36,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:36,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2021-11-13 23:14:36,176 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2021-11-13 23:14:36,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:14:36,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:36,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:36,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:36,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:36,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2021-11-13 23:14:36,386 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2021-11-13 23:14:36,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:14:36,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:36,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:36,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:36,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:36,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2021-11-13 23:14:36,811 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2021-11-13 23:14:36,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:14:36,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:36,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:36,895 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:37,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:37,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2021-11-13 23:14:37,104 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2021-11-13 23:14:37,105 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 23:14:37,105 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2021-11-13 23:14:37,116 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2021-11-13 23:14:37,177 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2021-11-13 23:14:37,191 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-13 23:14:37,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:14:37 ImpRootNode [2021-11-13 23:14:37,192 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-13 23:14:37,194 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 23:14:37,194 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 23:14:37,194 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 23:14:37,195 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:14:35" (3/4) ... [2021-11-13 23:14:37,199 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 23:14:37,214 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-13 23:14:37,214 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-13 23:14:37,215 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-13 23:14:37,215 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 23:14:37,265 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b151daf4-1ea1-4086-9f7d-cc6f5ad67051/bin/ukojak-2xVlg8857e/witness.graphml [2021-11-13 23:14:37,267 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 23:14:37,268 INFO L158 Benchmark]: Toolchain (without parser) took 2071.23ms. Allocated memory is still 107.0MB. Free memory was 68.3MB in the beginning and 51.5MB in the end (delta: 16.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-13 23:14:37,269 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 107.0MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:14:37,269 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.76ms. Allocated memory is still 107.0MB. Free memory was 68.1MB in the beginning and 82.2MB in the end (delta: -14.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 23:14:37,270 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.57ms. Allocated memory is still 107.0MB. Free memory was 82.2MB in the beginning and 80.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:14:37,270 INFO L158 Benchmark]: Boogie Preprocessor took 18.68ms. Allocated memory is still 107.0MB. Free memory was 80.9MB in the beginning and 80.0MB in the end (delta: 893.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:14:37,271 INFO L158 Benchmark]: RCFGBuilder took 273.82ms. Allocated memory is still 107.0MB. Free memory was 79.7MB in the beginning and 69.7MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 23:14:37,274 INFO L158 Benchmark]: CodeCheck took 1371.77ms. Allocated memory is still 107.0MB. Free memory was 69.7MB in the beginning and 54.1MB in the end (delta: 15.6MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2021-11-13 23:14:37,278 INFO L158 Benchmark]: Witness Printer took 73.86ms. Allocated memory is still 107.0MB. Free memory was 53.6MB in the beginning and 51.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:14:37,279 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, 13 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 77 SdHoareTripleChecker+Valid, 495.01ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 62 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 415.43ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 280 IncrementalHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 10 mSDtfsCounter, 280 mSolverCounterSat, 12.27ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 271 GetRequests, 223 SyntacticMatches, 8 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 631 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 115 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 3/3 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: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: 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: 23]: Loop Invariant Derived loop invariant: (0 <= x + 2147483648 && 0 <= y + 2147483648) || 99 < x - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 107.0MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.76ms. Allocated memory is still 107.0MB. Free memory was 68.1MB in the beginning and 82.2MB in the end (delta: -14.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.57ms. Allocated memory is still 107.0MB. Free memory was 82.2MB in the beginning and 80.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.68ms. Allocated memory is still 107.0MB. Free memory was 80.9MB in the beginning and 80.0MB in the end (delta: 893.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 273.82ms. Allocated memory is still 107.0MB. Free memory was 79.7MB in the beginning and 69.7MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1371.77ms. Allocated memory is still 107.0MB. Free memory was 69.7MB in the beginning and 54.1MB in the end (delta: 15.6MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Witness Printer took 73.86ms. Allocated memory is still 107.0MB. Free memory was 53.6MB in the beginning and 51.5MB 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! [2021-11-13 23:14:37,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b151daf4-1ea1-4086-9f7d-cc6f5ad67051/bin/ukojak-2xVlg8857e/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