./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c --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_760a2930-8f03-4f18-b398-acc6ee7182a6/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760a2930-8f03-4f18-b398-acc6ee7182a6/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_760a2930-8f03-4f18-b398-acc6ee7182a6/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760a2930-8f03-4f18-b398-acc6ee7182a6/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760a2930-8f03-4f18-b398-acc6ee7182a6/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_760a2930-8f03-4f18-b398-acc6ee7182a6/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 260fe965b90ef3e416f91a3db2bee0bb860d5ab225efa939b96f89bde803836c ................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760a2930-8f03-4f18-b398-acc6ee7182a6/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760a2930-8f03-4f18-b398-acc6ee7182a6/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_760a2930-8f03-4f18-b398-acc6ee7182a6/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760a2930-8f03-4f18-b398-acc6ee7182a6/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760a2930-8f03-4f18-b398-acc6ee7182a6/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760a2930-8f03-4f18-b398-acc6ee7182a6/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 260fe965b90ef3e416f91a3db2bee0bb860d5ab225efa939b96f89bde803836c ......................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:11:45,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:11:45,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:11:45,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:11:45,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:11:45,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:11:45,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:11:45,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:11:45,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:11:45,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:11:45,342 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:11:45,343 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:11:45,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:11:45,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:11:45,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:11:45,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:11:45,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:11:45,352 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:11:45,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:11:45,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:11:45,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:11:45,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:11:45,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:11:45,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:11:45,369 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:11:45,370 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:11:45,370 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:11:45,372 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:11:45,372 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:11:45,374 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:11:45,374 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:11:45,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:11:45,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:11:45,378 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:11:45,379 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:11:45,380 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:11:45,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:11:45,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:11:45,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:11:45,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:11:45,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:11:45,384 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760a2930-8f03-4f18-b398-acc6ee7182a6/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 04:11:45,410 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:11:45,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:11:45,412 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:11:45,412 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:11:45,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:11:45,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:11:45,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:11:45,414 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:11:45,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:11:45,415 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:11:45,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:11:45,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:11:45,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:11:45,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:11:45,416 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:11:45,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:11:45,417 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:11:45,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:11:45,417 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:11:45,417 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:11:45,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:11:45,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:11:45,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:11:45,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:11:45,419 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:11:45,419 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:11:45,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:11:45,420 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:11:45,420 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_760a2930-8f03-4f18-b398-acc6ee7182a6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760a2930-8f03-4f18-b398-acc6ee7182a6/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 260fe965b90ef3e416f91a3db2bee0bb860d5ab225efa939b96f89bde803836c [2021-10-29 04:11:45,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:11:45,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:11:45,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:11:45,797 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:11:45,798 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:11:45,801 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760a2930-8f03-4f18-b398-acc6ee7182a6/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c [2021-10-29 04:11:45,892 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760a2930-8f03-4f18-b398-acc6ee7182a6/bin/ukojak-Rh5K9KB4LI/data/4a82a28fe/ac586ab8223f4a9dac57da4034887d8e/FLAGa6c5a1bbd [2021-10-29 04:11:46,530 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:11:46,532 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760a2930-8f03-4f18-b398-acc6ee7182a6/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c [2021-10-29 04:11:46,541 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760a2930-8f03-4f18-b398-acc6ee7182a6/bin/ukojak-Rh5K9KB4LI/data/4a82a28fe/ac586ab8223f4a9dac57da4034887d8e/FLAGa6c5a1bbd [2021-10-29 04:11:46,844 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760a2930-8f03-4f18-b398-acc6ee7182a6/bin/ukojak-Rh5K9KB4LI/data/4a82a28fe/ac586ab8223f4a9dac57da4034887d8e [2021-10-29 04:11:46,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:11:46,849 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:11:46,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:11:46,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:11:46,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:11:46,856 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:11:46" (1/1) ... [2021-10-29 04:11:46,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f84548 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:11:46, skipping insertion in model container [2021-10-29 04:11:46,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:11:46" (1/1) ... [2021-10-29 04:11:46,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:11:46,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:11:47,064 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_760a2930-8f03-4f18-b398-acc6ee7182a6/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c[537,550] [2021-10-29 04:11:47,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:11:47,094 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:11:47,108 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_760a2930-8f03-4f18-b398-acc6ee7182a6/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c[537,550] [2021-10-29 04:11:47,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:11:47,130 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:11:47,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:11:47 WrapperNode [2021-10-29 04:11:47,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:11:47,132 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:11:47,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:11:47,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:11:47,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:11:47" (1/1) ... [2021-10-29 04:11:47,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:11:47" (1/1) ... [2021-10-29 04:11:47,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:11:47,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:11:47,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:11:47,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:11:47,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:11:47" (1/1) ... [2021-10-29 04:11:47,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:11:47" (1/1) ... [2021-10-29 04:11:47,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:11:47" (1/1) ... [2021-10-29 04:11:47,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:11:47" (1/1) ... [2021-10-29 04:11:47,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:11:47" (1/1) ... [2021-10-29 04:11:47,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:11:47" (1/1) ... [2021-10-29 04:11:47,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:11:47" (1/1) ... [2021-10-29 04:11:47,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:11:47,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:11:47,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:11:47,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:11:47,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:11:47" (1/1) ... [2021-10-29 04:11:47,212 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:11:47,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760a2930-8f03-4f18-b398-acc6ee7182a6/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:11:47,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760a2930-8f03-4f18-b398-acc6ee7182a6/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:11:47,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760a2930-8f03-4f18-b398-acc6ee7182a6/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:11:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-29 04:11:47,292 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-29 04:11:47,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:11:47,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:11:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:11:47,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:11:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 04:11:47,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 04:11:47,667 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:11:47,667 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 04:11:47,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:11:47 BoogieIcfgContainer [2021-10-29 04:11:47,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:11:47,672 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:11:47,672 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:11:47,685 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:11:47,685 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:11:47" (1/1) ... [2021-10-29 04:11:47,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:11:47,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:11:47,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2021-10-29 04:11:47,771 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2021-10-29 04:11:47,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 04:11:47,785 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:11:47,787 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:11:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:11:48,065 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 04:11:48,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:11:48,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2021-10-29 04:11:48,082 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2021-10-29 04:11:48,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 04:11:48,083 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:11:48,084 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:11:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:11:48,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:11:48,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:11:48,827 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 04:11:48,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:11:48,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2021-10-29 04:11:48,970 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2021-10-29 04:11:48,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 04:11:48,973 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:11:48,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:11:49,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:11:49,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 04:11:49,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:11:49,198 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 04:11:49,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:11:49,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2021-10-29 04:11:49,544 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2021-10-29 04:11:49,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 04:11:49,547 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:11:49,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:11:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:11:49,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:11:49,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:11:49,815 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 04:12:11,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:12:11,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2021-10-29 04:12:11,324 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2021-10-29 04:12:11,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 04:12:11,326 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:12:11,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:12:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-10-29 04:12:21,404 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:492) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-29 04:12:21,407 INFO L168 Benchmark]: Toolchain (without parser) took 34556.73 ms. Allocated memory is still 121.6 MB. Free memory was 87.1 MB in the beginning and 51.3 MB in the end (delta: 35.8 MB). Peak memory consumption was 33.3 MB. Max. memory is 16.1 GB. [2021-10-29 04:12:21,408 INFO L168 Benchmark]: CDTParser took 1.04 ms. Allocated memory is still 121.6 MB. Free memory was 93.7 MB in the beginning and 93.7 MB in the end (delta: 30.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:12:21,409 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.69 ms. Allocated memory is still 121.6 MB. Free memory was 86.8 MB in the beginning and 96.6 MB in the end (delta: -9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:12:21,410 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.19 ms. Allocated memory is still 121.6 MB. Free memory was 96.6 MB in the beginning and 95.1 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:12:21,411 INFO L168 Benchmark]: Boogie Preprocessor took 27.67 ms. Allocated memory is still 121.6 MB. Free memory was 95.1 MB in the beginning and 93.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:12:21,412 INFO L168 Benchmark]: RCFGBuilder took 471.01 ms. Allocated memory is still 121.6 MB. Free memory was 93.9 MB in the beginning and 81.3 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:12:21,413 INFO L168 Benchmark]: CodeCheck took 33733.60 ms. Allocated memory is still 121.6 MB. Free memory was 80.7 MB in the beginning and 51.3 MB in the end (delta: 29.4 MB). Peak memory consumption was 30.0 MB. Max. memory is 16.1 GB. [2021-10-29 04:12:21,417 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:492) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.04 ms. Allocated memory is still 121.6 MB. Free memory was 93.7 MB in the beginning and 93.7 MB in the end (delta: 30.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 279.69 ms. Allocated memory is still 121.6 MB. Free memory was 86.8 MB in the beginning and 96.6 MB in the end (delta: -9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.19 ms. Allocated memory is still 121.6 MB. Free memory was 96.6 MB in the beginning and 95.1 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.67 ms. Allocated memory is still 121.6 MB. Free memory was 95.1 MB in the beginning and 93.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 471.01 ms. Allocated memory is still 121.6 MB. Free memory was 93.9 MB in the beginning and 81.3 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 33733.60 ms. Allocated memory is still 121.6 MB. Free memory was 80.7 MB in the beginning and 51.3 MB in the end (delta: 29.4 MB). Peak memory consumption was 30.0 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-29 04:12:21,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760a2930-8f03-4f18-b398-acc6ee7182a6/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:12:24,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:12:24,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:12:24,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:12:24,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:12:24,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:12:24,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:12:24,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:12:24,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:12:24,291 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:12:24,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:12:24,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:12:24,297 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:12:24,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:12:24,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:12:24,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:12:24,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:12:24,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:12:24,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:12:24,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:12:24,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:12:24,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:12:24,327 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:12:24,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:12:24,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:12:24,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:12:24,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:12:24,343 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:12:24,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:12:24,345 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:12:24,345 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:12:24,346 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:12:24,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:12:24,350 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:12:24,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:12:24,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:12:24,373 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:12:24,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:12:24,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:12:24,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:12:24,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:12:24,379 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760a2930-8f03-4f18-b398-acc6ee7182a6/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-10-29 04:12:24,433 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:12:24,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:12:24,435 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:12:24,436 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:12:24,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:12:24,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:12:24,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:12:24,438 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:12:24,438 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:12:24,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:12:24,440 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:12:24,440 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:12:24,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:12:24,441 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:12:24,441 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 04:12:24,441 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 04:12:24,442 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:12:24,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:12:24,442 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:12:24,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:12:24,443 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:12:24,443 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:12:24,443 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:12:24,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:12:24,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:12:24,444 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:12:24,444 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:12:24,445 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 04:12:24,445 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 04:12:24,445 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:12:24,446 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-10-29 04:12:24,446 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:12:24,446 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_760a2930-8f03-4f18-b398-acc6ee7182a6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760a2930-8f03-4f18-b398-acc6ee7182a6/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 260fe965b90ef3e416f91a3db2bee0bb860d5ab225efa939b96f89bde803836c [2021-10-29 04:12:24,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:12:24,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:12:24,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:12:24,870 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:12:24,871 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:12:24,872 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760a2930-8f03-4f18-b398-acc6ee7182a6/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c [2021-10-29 04:12:24,966 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760a2930-8f03-4f18-b398-acc6ee7182a6/bin/ukojak-Rh5K9KB4LI/data/bc5d38172/fc5fb5eda5d140049b1a4301147da1a9/FLAGa01138e45 [2021-10-29 04:12:25,590 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:12:25,591 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760a2930-8f03-4f18-b398-acc6ee7182a6/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c [2021-10-29 04:12:25,600 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760a2930-8f03-4f18-b398-acc6ee7182a6/bin/ukojak-Rh5K9KB4LI/data/bc5d38172/fc5fb5eda5d140049b1a4301147da1a9/FLAGa01138e45 [2021-10-29 04:12:25,898 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760a2930-8f03-4f18-b398-acc6ee7182a6/bin/ukojak-Rh5K9KB4LI/data/bc5d38172/fc5fb5eda5d140049b1a4301147da1a9 [2021-10-29 04:12:25,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:12:25,903 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:12:25,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:12:25,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:12:25,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:12:25,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:12:25" (1/1) ... [2021-10-29 04:12:25,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ae61ca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:25, skipping insertion in model container [2021-10-29 04:12:25,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:12:25" (1/1) ... [2021-10-29 04:12:25,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:12:25,941 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:12:26,156 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_760a2930-8f03-4f18-b398-acc6ee7182a6/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c[537,550] [2021-10-29 04:12:26,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:12:26,189 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:12:26,210 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_760a2930-8f03-4f18-b398-acc6ee7182a6/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c[537,550] [2021-10-29 04:12:26,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:12:26,236 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:12:26,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:26 WrapperNode [2021-10-29 04:12:26,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:12:26,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:12:26,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:12:26,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:12:26,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:26" (1/1) ... [2021-10-29 04:12:26,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:26" (1/1) ... [2021-10-29 04:12:26,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:12:26,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:12:26,285 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:12:26,285 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:12:26,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:26" (1/1) ... [2021-10-29 04:12:26,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:26" (1/1) ... [2021-10-29 04:12:26,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:26" (1/1) ... [2021-10-29 04:12:26,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:26" (1/1) ... [2021-10-29 04:12:26,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:26" (1/1) ... [2021-10-29 04:12:26,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:26" (1/1) ... [2021-10-29 04:12:26,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:26" (1/1) ... [2021-10-29 04:12:26,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:12:26,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:12:26,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:12:26,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:12:26,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:26" (1/1) ... [2021-10-29 04:12:26,325 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:12:26,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760a2930-8f03-4f18-b398-acc6ee7182a6/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:12:26,351 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760a2930-8f03-4f18-b398-acc6ee7182a6/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:12:26,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760a2930-8f03-4f18-b398-acc6ee7182a6/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:12:26,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 04:12:26,416 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-29 04:12:26,416 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-29 04:12:26,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:12:26,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:12:26,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:12:26,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 04:12:26,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 04:12:26,805 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:12:26,805 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 04:12:26,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:12:26 BoogieIcfgContainer [2021-10-29 04:12:26,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:12:26,809 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:12:26,809 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:12:26,819 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:12:26,820 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:12:26" (1/1) ... [2021-10-29 04:12:26,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:12:26,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:12:26,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2021-10-29 04:12:26,868 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2021-10-29 04:12:26,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 04:12:26,873 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:12:26,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:12:26,920 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:444) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-29 04:12:26,925 INFO L168 Benchmark]: Toolchain (without parser) took 1020.84 ms. Allocated memory is still 67.1 MB. Free memory was 46.7 MB in the beginning and 34.4 MB in the end (delta: 12.3 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:12:26,926 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 67.1 MB. Free memory is still 47.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:12:26,927 INFO L168 Benchmark]: CACSL2BoogieTranslator took 331.29 ms. Allocated memory is still 67.1 MB. Free memory was 46.4 MB in the beginning and 36.0 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:12:26,929 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.84 ms. Allocated memory is still 67.1 MB. Free memory was 36.0 MB in the beginning and 34.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:12:26,930 INFO L168 Benchmark]: Boogie Preprocessor took 30.52 ms. Allocated memory is still 67.1 MB. Free memory was 34.4 MB in the beginning and 33.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:12:26,931 INFO L168 Benchmark]: RCFGBuilder took 492.51 ms. Allocated memory is still 67.1 MB. Free memory was 33.2 MB in the beginning and 39.6 MB in the end (delta: -6.3 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2021-10-29 04:12:26,932 INFO L168 Benchmark]: CodeCheck took 113.75 ms. Allocated memory is still 67.1 MB. Free memory was 39.6 MB in the beginning and 34.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:12:26,937 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 67.1 MB. Free memory is still 47.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 331.29 ms. Allocated memory is still 67.1 MB. Free memory was 46.4 MB in the beginning and 36.0 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.84 ms. Allocated memory is still 67.1 MB. Free memory was 36.0 MB in the beginning and 34.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.52 ms. Allocated memory is still 67.1 MB. Free memory was 34.4 MB in the beginning and 33.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 492.51 ms. Allocated memory is still 67.1 MB. Free memory was 33.2 MB in the beginning and 39.6 MB in the end (delta: -6.3 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. * CodeCheck took 113.75 ms. Allocated memory is still 67.1 MB. Free memory was 39.6 MB in the beginning and 34.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-29 04:12:26,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760a2930-8f03-4f18-b398-acc6ee7182a6/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...