./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e0fea1-3049-4685-9f52-cba135de3891/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e0fea1-3049-4685-9f52-cba135de3891/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e0fea1-3049-4685-9f52-cba135de3891/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e0fea1-3049-4685-9f52-cba135de3891/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e0fea1-3049-4685-9f52-cba135de3891/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e0fea1-3049-4685-9f52-cba135de3891/bin/ukojak-Rh5K9KB4LI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f2c97cfaf178ecbb63eaaf825cd5ea4b5be1bf37ecd5b20cf7e400328e1cd168 .................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:27:26,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:27:26,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:27:26,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:27:26,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:27:26,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:27:26,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:27:26,233 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:27:26,236 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:27:26,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:27:26,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:27:26,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:27:26,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:27:26,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:27:26,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:27:26,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:27:26,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:27:26,259 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:27:26,261 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:27:26,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:27:26,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:27:26,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:27:26,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:27:26,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:27:26,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:27:26,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:27:26,279 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:27:26,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:27:26,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:27:26,282 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:27:26,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:27:26,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:27:26,285 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:27:26,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:27:26,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:27:26,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:27:26,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:27:26,289 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:27:26,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:27:26,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:27:26,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:27:26,293 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e0fea1-3049-4685-9f52-cba135de3891/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 04:27:26,314 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:27:26,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:27:26,315 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:27:26,315 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:27:26,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:27:26,316 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:27:26,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:27:26,317 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:27:26,317 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:27:26,317 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:27:26,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:27:26,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:27:26,318 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:27:26,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:27:26,318 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:27:26,319 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:27:26,319 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:27:26,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:27:26,319 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:27:26,320 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:27:26,320 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:27:26,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:27:26,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:27:26,321 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:27:26,321 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:27:26,321 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:27:26,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:27:26,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:27:26,322 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_f1e0fea1-3049-4685-9f52-cba135de3891/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e0fea1-3049-4685-9f52-cba135de3891/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2c97cfaf178ecbb63eaaf825cd5ea4b5be1bf37ecd5b20cf7e400328e1cd168 [2021-10-29 04:27:26,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:27:26,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:27:26,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:27:26,662 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:27:26,664 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:27:26,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e0fea1-3049-4685-9f52-cba135de3891/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i [2021-10-29 04:27:26,745 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e0fea1-3049-4685-9f52-cba135de3891/bin/ukojak-Rh5K9KB4LI/data/5b55a44e6/4b50f2912e4d40dbbcb985c845d89d9c/FLAG96b761260 [2021-10-29 04:27:27,231 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:27:27,232 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e0fea1-3049-4685-9f52-cba135de3891/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i [2021-10-29 04:27:27,238 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e0fea1-3049-4685-9f52-cba135de3891/bin/ukojak-Rh5K9KB4LI/data/5b55a44e6/4b50f2912e4d40dbbcb985c845d89d9c/FLAG96b761260 [2021-10-29 04:27:27,604 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e0fea1-3049-4685-9f52-cba135de3891/bin/ukojak-Rh5K9KB4LI/data/5b55a44e6/4b50f2912e4d40dbbcb985c845d89d9c [2021-10-29 04:27:27,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:27:27,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:27:27,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:27:27,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:27:27,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:27:27,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:27:27" (1/1) ... [2021-10-29 04:27:27,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e94f3e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:27, skipping insertion in model container [2021-10-29 04:27:27,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:27:27" (1/1) ... [2021-10-29 04:27:27,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:27:27,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:27:27,891 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_f1e0fea1-3049-4685-9f52-cba135de3891/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i[951,964] [2021-10-29 04:27:27,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:27:27,915 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:27:27,928 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_f1e0fea1-3049-4685-9f52-cba135de3891/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i[951,964] [2021-10-29 04:27:27,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:27:27,948 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:27:27,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:27 WrapperNode [2021-10-29 04:27:27,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:27:27,950 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:27:27,950 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:27:27,950 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:27:27,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:27" (1/1) ... [2021-10-29 04:27:27,965 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:27" (1/1) ... [2021-10-29 04:27:27,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:27:27,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:27:27,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:27:27,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:27:27,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:27" (1/1) ... [2021-10-29 04:27:27,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:27" (1/1) ... [2021-10-29 04:27:27,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:27" (1/1) ... [2021-10-29 04:27:27,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:27" (1/1) ... [2021-10-29 04:27:27,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:27" (1/1) ... [2021-10-29 04:27:28,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:27" (1/1) ... [2021-10-29 04:27:28,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:27" (1/1) ... [2021-10-29 04:27:28,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:27:28,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:27:28,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:27:28,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:27:28,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:27" (1/1) ... [2021-10-29 04:27:28,025 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:27:28,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e0fea1-3049-4685-9f52-cba135de3891/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:27:28,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e0fea1-3049-4685-9f52-cba135de3891/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:27:28,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e0fea1-3049-4685-9f52-cba135de3891/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:27:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:27:28,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:27:28,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:27:28,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:27:28,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 04:27:28,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 04:27:28,412 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:27:28,412 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-29 04:27:28,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:27:28 BoogieIcfgContainer [2021-10-29 04:27:28,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:27:28,416 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:27:28,416 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:27:28,427 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:27:28,427 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:27:28" (1/1) ... [2021-10-29 04:27:28,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:27:28,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:28,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2021-10-29 04:27:28,478 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2021-10-29 04:27:28,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 04:27:28,481 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:28,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:28,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:27:28,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:28,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2021-10-29 04:27:28,689 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2021-10-29 04:27:28,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 04:27:28,689 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:28,690 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:28,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:28,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:27:28,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:28,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2021-10-29 04:27:28,883 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2021-10-29 04:27:28,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 04:27:28,883 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:28,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:28,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:27:28,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:27:29,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:27:29,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:29,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2021-10-29 04:27:29,192 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2021-10-29 04:27:29,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 04:27:29,194 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:29,195 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:29,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-29 04:27:29,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:27:29,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:27:30,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:30,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2021-10-29 04:27:30,402 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2021-10-29 04:27:30,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 04:27:30,404 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:30,405 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:30,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:27:30,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:27:30,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:27:30,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:30,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2021-10-29 04:27:30,682 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2021-10-29 04:27:30,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:27:30,683 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:30,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:30,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:30,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:27:30,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:27:30,843 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:27:31,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:31,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2021-10-29 04:27:31,184 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2021-10-29 04:27:31,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:27:31,185 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:31,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:31,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:31,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:27:31,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:27:31,358 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 04:27:31,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:31,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 63 transitions. [2021-10-29 04:27:31,952 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2021-10-29 04:27:31,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:27:31,953 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:31,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:31,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:27:31,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:27:32,062 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:27:32,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:32,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 32 states and 46 transitions. [2021-10-29 04:27:32,407 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2021-10-29 04:27:32,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 04:27:32,409 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:32,409 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:32,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-29 04:27:32,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:27:32,729 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:27:33,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:33,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 32 states and 44 transitions. [2021-10-29 04:27:33,678 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions. [2021-10-29 04:27:33,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 04:27:33,679 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:33,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:33,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-29 04:27:33,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:27:33,905 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 04:27:34,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:34,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 32 states and 43 transitions. [2021-10-29 04:27:34,272 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 43 transitions. [2021-10-29 04:27:34,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 04:27:34,273 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:34,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:34,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:27:34,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:27:34,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:27:56,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:56,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 36 states and 52 transitions. [2021-10-29 04:27:56,135 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-10-29 04:27:56,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 04:27:56,136 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:56,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:56,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:27:56,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:27:56,278 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:27:59,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:27:59,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 36 states and 48 transitions. [2021-10-29 04:27:59,445 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions. [2021-10-29 04:27:59,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 04:27:59,446 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:27:59,447 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:27:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:27:59,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:27:59,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:27:59,732 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:28:13,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:28:13,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 27 states and 34 transitions. [2021-10-29 04:28:13,643 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2021-10-29 04:28:13,643 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:28:13,644 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2021-10-29 04:28:13,650 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 04:28:13,837 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:28:13,840 INFO L565 CodeCheckObserver]: Invariant with dag size 25 [2021-10-29 04:28:13,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:28:13 ImpRootNode [2021-10-29 04:28:13,848 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:28:13,848 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:28:13,849 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:28:13,849 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:28:13,849 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:27:28" (3/4) ... [2021-10-29 04:28:13,853 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:28:13,859 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-10-29 04:28:13,863 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-29 04:28:13,863 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 04:28:13,864 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 04:28:13,864 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:28:13,915 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e0fea1-3049-4685-9f52-cba135de3891/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:28:13,915 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:28:13,917 INFO L168 Benchmark]: Toolchain (without parser) took 46308.02 ms. Allocated memory was 100.7 MB in the beginning and 146.8 MB in the end (delta: 46.1 MB). Free memory was 60.0 MB in the beginning and 71.2 MB in the end (delta: -11.2 MB). Peak memory consumption was 35.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:28:13,918 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 100.7 MB. Free memory is still 76.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:28:13,918 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.49 ms. Allocated memory is still 100.7 MB. Free memory was 59.8 MB in the beginning and 75.7 MB in the end (delta: -15.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 04:28:13,919 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.57 ms. Allocated memory is still 100.7 MB. Free memory was 75.7 MB in the beginning and 74.4 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:28:13,921 INFO L168 Benchmark]: Boogie Preprocessor took 22.53 ms. Allocated memory is still 100.7 MB. Free memory was 74.1 MB in the beginning and 73.3 MB in the end (delta: 813.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:28:13,922 INFO L168 Benchmark]: RCFGBuilder took 407.43 ms. Allocated memory is still 100.7 MB. Free memory was 73.3 MB in the beginning and 61.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:28:13,922 INFO L168 Benchmark]: CodeCheck took 45432.07 ms. Allocated memory was 100.7 MB in the beginning and 146.8 MB in the end (delta: 46.1 MB). Free memory was 61.9 MB in the beginning and 73.2 MB in the end (delta: -11.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 16.1 GB. [2021-10-29 04:28:13,923 INFO L168 Benchmark]: Witness Printer took 67.05 ms. Allocated memory is still 146.8 MB. Free memory was 73.2 MB in the beginning and 71.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:28:13,926 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 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 45.1s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 78096 SDtfs, 8052 SDslu, 23328 SDs, 0 SdLazy, 125128 SolverSat, 54966 SolverUnsat, 18 SolverUnknown, 0 SolverNotchecked, 72.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1570 GetRequests, 1339 SyntacticMatches, 41 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15739 ImplicationChecksByTransitivity, 11.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 169 NumberOfCodeBlocks, 169 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 156 ConstructedInterpolants, 0 QuantifiedInterpolants, 570 SizeOfPredicates, 15 NumberOfNonLiveVariables, 713 ConjunctsInSsa, 84 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 25/36 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: 21]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((((A == r && counter == 0) && b == 1) && q == 0) && B == b) || (((1 < counter && A == r) && q == 0) && 2 <= r % 4294967296)) || ((((b == 2 && counter <= 1) && 0 < counter) && A == r) && q == 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 100.7 MB. Free memory is still 76.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 339.49 ms. Allocated memory is still 100.7 MB. Free memory was 59.8 MB in the beginning and 75.7 MB in the end (delta: -15.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.57 ms. Allocated memory is still 100.7 MB. Free memory was 75.7 MB in the beginning and 74.4 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.53 ms. Allocated memory is still 100.7 MB. Free memory was 74.1 MB in the beginning and 73.3 MB in the end (delta: 813.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 407.43 ms. Allocated memory is still 100.7 MB. Free memory was 73.3 MB in the beginning and 61.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 45432.07 ms. Allocated memory was 100.7 MB in the beginning and 146.8 MB in the end (delta: 46.1 MB). Free memory was 61.9 MB in the beginning and 73.2 MB in the end (delta: -11.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 16.1 GB. * Witness Printer took 67.05 ms. Allocated memory is still 146.8 MB. Free memory was 73.2 MB in the beginning and 71.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 04:28:14,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1e0fea1-3049-4685-9f52-cba135de3891/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...