./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a30ace-c7dd-4e6f-bd4a-d1e33e6fd090/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a30ace-c7dd-4e6f-bd4a-d1e33e6fd090/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a30ace-c7dd-4e6f-bd4a-d1e33e6fd090/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a30ace-c7dd-4e6f-bd4a-d1e33e6fd090/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a30ace-c7dd-4e6f-bd4a-d1e33e6fd090/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a30ace-c7dd-4e6f-bd4a-d1e33e6fd090/bin/ukojak-rkRKPMF4O4 --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 b13c7652df725cabbd532da1a8071964fc183988971efb0d5513967afd08dfea --- 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-2329fc7 [2022-12-14 16:38:47,194 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:38:47,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:38:47,215 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:38:47,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:38:47,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:38:47,218 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:38:47,219 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:38:47,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:38:47,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:38:47,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:38:47,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:38:47,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:38:47,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:38:47,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:38:47,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:38:47,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:38:47,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:38:47,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:38:47,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:38:47,233 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:38:47,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:38:47,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:38:47,236 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:38:47,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:38:47,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:38:47,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:38:47,250 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:38:47,250 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:38:47,251 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:38:47,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:38:47,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:38:47,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:38:47,254 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:38:47,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:38:47,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:38:47,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:38:47,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:38:47,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:38:47,256 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:38:47,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:38:47,258 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a30ace-c7dd-4e6f-bd4a-d1e33e6fd090/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 16:38:47,290 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:38:47,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:38:47,291 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:38:47,291 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 16:38:47,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 16:38:47,292 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 16:38:47,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:38:47,292 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 16:38:47,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 16:38:47,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 16:38:47,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:38:47,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:38:47,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:38:47,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:38:47,294 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 16:38:47,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:38:47,294 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:38:47,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:38:47,294 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 16:38:47,294 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 16:38:47,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:38:47,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:38:47,295 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:38:47,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:38:47,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:38:47,295 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 16:38:47,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 16:38:47,295 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:38:47,296 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_08a30ace-c7dd-4e6f-bd4a-d1e33e6fd090/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a30ace-c7dd-4e6f-bd4a-d1e33e6fd090/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b13c7652df725cabbd532da1a8071964fc183988971efb0d5513967afd08dfea [2022-12-14 16:38:47,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:38:47,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:38:47,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:38:47,504 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:38:47,504 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:38:47,505 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a30ace-c7dd-4e6f-bd4a-d1e33e6fd090/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound2.i [2022-12-14 16:38:50,137 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:38:50,266 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:38:50,266 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a30ace-c7dd-4e6f-bd4a-d1e33e6fd090/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound2.i [2022-12-14 16:38:50,272 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a30ace-c7dd-4e6f-bd4a-d1e33e6fd090/bin/ukojak-rkRKPMF4O4/data/8af1388cb/48ed7f88aa5546b086b64a78b9654b9f/FLAGbaa65f4c2 [2022-12-14 16:38:50,283 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a30ace-c7dd-4e6f-bd4a-d1e33e6fd090/bin/ukojak-rkRKPMF4O4/data/8af1388cb/48ed7f88aa5546b086b64a78b9654b9f [2022-12-14 16:38:50,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:38:50,286 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:38:50,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:38:50,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:38:50,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:38:50,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:38:50" (1/1) ... [2022-12-14 16:38:50,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29ada450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:50, skipping insertion in model container [2022-12-14 16:38:50,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:38:50" (1/1) ... [2022-12-14 16:38:50,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:38:50,307 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:38:50,412 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a30ace-c7dd-4e6f-bd4a-d1e33e6fd090/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound2.i[951,964] [2022-12-14 16:38:50,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:38:50,428 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 16:38:50,437 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a30ace-c7dd-4e6f-bd4a-d1e33e6fd090/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound2.i[951,964] [2022-12-14 16:38:50,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:38:50,450 INFO L208 MainTranslator]: Completed translation [2022-12-14 16:38:50,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:50 WrapperNode [2022-12-14 16:38:50,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:38:50,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 16:38:50,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 16:38:50,451 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 16:38:50,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:50" (1/1) ... [2022-12-14 16:38:50,461 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:50" (1/1) ... [2022-12-14 16:38:50,472 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 46 [2022-12-14 16:38:50,473 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 16:38:50,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 16:38:50,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 16:38:50,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 16:38:50,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:50" (1/1) ... [2022-12-14 16:38:50,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:50" (1/1) ... [2022-12-14 16:38:50,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:50" (1/1) ... [2022-12-14 16:38:50,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:50" (1/1) ... [2022-12-14 16:38:50,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:50" (1/1) ... [2022-12-14 16:38:50,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:50" (1/1) ... [2022-12-14 16:38:50,485 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:50" (1/1) ... [2022-12-14 16:38:50,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:50" (1/1) ... [2022-12-14 16:38:50,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 16:38:50,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 16:38:50,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 16:38:50,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 16:38:50,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:38:50" (1/1) ... [2022-12-14 16:38:50,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:38:50,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a30ace-c7dd-4e6f-bd4a-d1e33e6fd090/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 16:38:50,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a30ace-c7dd-4e6f-bd4a-d1e33e6fd090/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 16:38:50,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a30ace-c7dd-4e6f-bd4a-d1e33e6fd090/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 16:38:50,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 16:38:50,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 16:38:50,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 16:38:50,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 16:38:50,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 16:38:50,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 16:38:50,607 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 16:38:50,609 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 16:38:50,718 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 16:38:50,750 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 16:38:50,751 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 16:38:50,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:38:50 BoogieIcfgContainer [2022-12-14 16:38:50,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 16:38:50,753 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 16:38:50,753 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 16:38:50,761 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 16:38:50,761 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:38:50" (1/1) ... [2022-12-14 16:38:50,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:38:50,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:38:50,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2022-12-14 16:38:50,806 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2022-12-14 16:38:50,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 16:38:50,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:38:50,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:38:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:38:50,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:38:50,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 16:38:50,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:38:50,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:38:50,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:38:50,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2022-12-14 16:38:50,973 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-12-14 16:38:50,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 16:38:50,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:38:50,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:38:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:38:51,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-14 16:38:51,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:38:51,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:38:51,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:38:51,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2022-12-14 16:38:51,267 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2022-12-14 16:38:51,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 16:38:51,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:38:51,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:38:51,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:38:51,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 16:38:51,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:38:51,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 16:38:51,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:38:51,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2022-12-14 16:38:51,543 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2022-12-14 16:38:51,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 16:38:51,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:38:51,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:38:51,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:38:51,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 16:38:51,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:38:51,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:38:51,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:38:51,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2022-12-14 16:38:51,804 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2022-12-14 16:38:51,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 16:38:51,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:38:51,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:38:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:38:51,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 16:38:51,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:38:51,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:38:52,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:38:52,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2022-12-14 16:38:52,236 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2022-12-14 16:38:52,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 16:38:52,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:38:52,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:38:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:38:52,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-14 16:38:52,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:38:52,493 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:38:53,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:38:53,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2022-12-14 16:38:53,139 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2022-12-14 16:38:53,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 16:38:53,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:38:53,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:38:53,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:38:53,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 29 conjunts are in the unsatisfiable core [2022-12-14 16:38:53,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:38:53,395 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:38:54,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:38:54,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2022-12-14 16:38:54,071 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2022-12-14 16:38:54,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 16:38:54,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:38:54,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:38:54,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:38:54,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-14 16:38:54,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:38:54,237 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 16:38:54,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:38:54,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 47 states and 76 transitions. [2022-12-14 16:38:54,861 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 76 transitions. [2022-12-14 16:38:54,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 16:38:54,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:38:54,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:38:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:38:54,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 38 conjunts are in the unsatisfiable core [2022-12-14 16:38:54,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:38:55,309 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 16:38:56,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:38:56,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 55 states and 92 transitions. [2022-12-14 16:38:56,257 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 92 transitions. [2022-12-14 16:38:56,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 16:38:56,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:38:56,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:38:56,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:38:56,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-14 16:38:56,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:38:56,634 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 16:38:57,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:38:57,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 30 states and 37 transitions. [2022-12-14 16:38:57,311 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2022-12-14 16:38:57,311 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 16:38:57,311 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2022-12-14 16:38:57,318 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 16:38:57,501 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 16:38:57,504 INFO L560 CodeCheckObserver]: Invariant with dag size 25 [2022-12-14 16:38:57,510 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 16:38:57,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 04:38:57 ImpRootNode [2022-12-14 16:38:57,510 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 16:38:57,510 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 16:38:57,510 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 16:38:57,511 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 16:38:57,511 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:38:50" (3/4) ... [2022-12-14 16:38:57,513 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 16:38:57,517 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-12-14 16:38:57,519 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-12-14 16:38:57,519 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-14 16:38:57,520 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 16:38:57,520 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 16:38:57,545 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a30ace-c7dd-4e6f-bd4a-d1e33e6fd090/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 16:38:57,545 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 16:38:57,546 INFO L158 Benchmark]: Toolchain (without parser) took 7259.72ms. Allocated memory was 123.7MB in the beginning and 182.5MB in the end (delta: 58.7MB). Free memory was 80.9MB in the beginning and 139.2MB in the end (delta: -58.4MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2022-12-14 16:38:57,546 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 123.7MB. Free memory is still 89.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:38:57,546 INFO L158 Benchmark]: CACSL2BoogieTranslator took 163.47ms. Allocated memory is still 123.7MB. Free memory was 80.5MB in the beginning and 70.4MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 16:38:57,546 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.06ms. Allocated memory is still 123.7MB. Free memory was 70.4MB in the beginning and 68.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:38:57,547 INFO L158 Benchmark]: Boogie Preprocessor took 13.64ms. Allocated memory is still 123.7MB. Free memory was 68.6MB in the beginning and 67.6MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:38:57,547 INFO L158 Benchmark]: RCFGBuilder took 265.32ms. Allocated memory is still 123.7MB. Free memory was 67.6MB in the beginning and 55.3MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 16:38:57,547 INFO L158 Benchmark]: CodeCheck took 6756.93ms. Allocated memory was 123.7MB in the beginning and 182.5MB in the end (delta: 58.7MB). Free memory was 55.3MB in the beginning and 141.3MB in the end (delta: -86.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:38:57,548 INFO L158 Benchmark]: Witness Printer took 34.79ms. Allocated memory is still 182.5MB. Free memory was 141.3MB in the beginning and 139.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:38:57,549 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, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 616 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 308 mSDsluCounter, 554 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 342 mSDsCounter, 468 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1290 IncrementalHoareTripleChecker+Invalid, 1758 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 468 mSolverCounterUnsat, 212 mSDtfsCounter, 1290 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1787 GetRequests, 1645 SyntacticMatches, 32 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6114 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 173 NumberOfCodeBlocks, 173 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 163 ConstructedInterpolants, 0 QuantifiedInterpolants, 1298 SizeOfPredicates, 28 NumberOfNonLiveVariables, 646 ConjunctsInSsa, 178 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 51/101 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: 38]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((((A % 4294967296 <= 2 && q == 0) && B == b) && A == r) && B == 1) || (((((A % 4294967296 <= 2 && 1 <= r % 4294967296) && q == 0) && A == r) && 2 == b) && B == 1)) || (((((b == 4 && A % 4294967296 <= 2) && q == 0) && 2 <= r % 4294967296) && A == r) && B == 1) - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 123.7MB. Free memory is still 89.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 163.47ms. Allocated memory is still 123.7MB. Free memory was 80.5MB in the beginning and 70.4MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.06ms. Allocated memory is still 123.7MB. Free memory was 70.4MB in the beginning and 68.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.64ms. Allocated memory is still 123.7MB. Free memory was 68.6MB in the beginning and 67.6MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 265.32ms. Allocated memory is still 123.7MB. Free memory was 67.6MB in the beginning and 55.3MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 6756.93ms. Allocated memory was 123.7MB in the beginning and 182.5MB in the end (delta: 58.7MB). Free memory was 55.3MB in the beginning and 141.3MB in the end (delta: -86.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 34.79ms. Allocated memory is still 182.5MB. Free memory was 141.3MB in the beginning and 139.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 16:38:57,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a30ace-c7dd-4e6f-bd4a-d1e33e6fd090/bin/ukojak-rkRKPMF4O4/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