./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/prodbin.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_4feb13f6-8a2b-49fa-aad2-75f0a936918d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb13f6-8a2b-49fa-aad2-75f0a936918d/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb13f6-8a2b-49fa-aad2-75f0a936918d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb13f6-8a2b-49fa-aad2-75f0a936918d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/prodbin.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb13f6-8a2b-49fa-aad2-75f0a936918d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb13f6-8a2b-49fa-aad2-75f0a936918d/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d11f17f8a25d8a5a32a93452e3d89a857b35c1cd218cb024dcaa96fa8702818d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:47:34,988 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:47:35,055 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb13f6-8a2b-49fa-aad2-75f0a936918d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 00:47:35,059 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:47:35,060 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:47:35,083 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:47:35,084 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:47:35,084 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:47:35,085 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:47:35,086 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:47:35,086 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:47:35,087 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:47:35,087 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:47:35,088 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:47:35,088 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:47:35,089 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:47:35,089 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:47:35,090 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:47:35,090 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:47:35,091 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:47:35,091 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:47:35,093 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:47:35,093 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:47:35,094 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:47:35,094 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:47:35,095 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:47:35,095 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:47:35,096 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:47:35,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:47:35,097 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:47:35,097 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:47:35,097 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:47:35,098 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:47:35,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:47:35,098 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:47:35,098 INFO L153 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_4feb13f6-8a2b-49fa-aad2-75f0a936918d/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb13f6-8a2b-49fa-aad2-75f0a936918d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d11f17f8a25d8a5a32a93452e3d89a857b35c1cd218cb024dcaa96fa8702818d [2023-12-03 00:47:35,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:47:35,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:47:35,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:47:35,344 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:47:35,344 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:47:35,346 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb13f6-8a2b-49fa-aad2-75f0a936918d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench/prodbin.c [2023-12-03 00:47:38,092 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:47:38,243 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:47:38,243 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb13f6-8a2b-49fa-aad2-75f0a936918d/sv-benchmarks/c/nla-digbench/prodbin.c [2023-12-03 00:47:38,251 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb13f6-8a2b-49fa-aad2-75f0a936918d/bin/ukojak-verify-Qdu7aM0XO9/data/d18bb8f48/70b73d6bfe5647da9ccc08c8d5554d9a/FLAG19149c205 [2023-12-03 00:47:38,647 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb13f6-8a2b-49fa-aad2-75f0a936918d/bin/ukojak-verify-Qdu7aM0XO9/data/d18bb8f48/70b73d6bfe5647da9ccc08c8d5554d9a [2023-12-03 00:47:38,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:47:38,650 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:47:38,651 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:47:38,651 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:47:38,655 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:47:38,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:47:38" (1/1) ... [2023-12-03 00:47:38,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6356a1dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:38, skipping insertion in model container [2023-12-03 00:47:38,657 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:47:38" (1/1) ... [2023-12-03 00:47:38,674 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:47:38,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:47:38,816 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:47:38,831 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:47:38,842 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:47:38,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:38 WrapperNode [2023-12-03 00:47:38,843 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:47:38,844 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:47:38,844 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:47:38,844 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:47:38,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:38" (1/1) ... [2023-12-03 00:47:38,856 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:38" (1/1) ... [2023-12-03 00:47:38,872 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2023-12-03 00:47:38,873 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:47:38,873 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:47:38,873 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:47:38,873 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:47:38,880 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:38" (1/1) ... [2023-12-03 00:47:38,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:38" (1/1) ... [2023-12-03 00:47:38,882 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:38" (1/1) ... [2023-12-03 00:47:38,883 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:38" (1/1) ... [2023-12-03 00:47:38,887 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:38" (1/1) ... [2023-12-03 00:47:38,890 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:38" (1/1) ... [2023-12-03 00:47:38,891 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:38" (1/1) ... [2023-12-03 00:47:38,892 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:38" (1/1) ... [2023-12-03 00:47:38,894 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:47:38,895 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:47:38,895 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:47:38,896 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:47:38,897 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:38" (1/1) ... [2023-12-03 00:47:38,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:47:38,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb13f6-8a2b-49fa-aad2-75f0a936918d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:47:38,924 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb13f6-8a2b-49fa-aad2-75f0a936918d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:47:38,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb13f6-8a2b-49fa-aad2-75f0a936918d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:47:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:47:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:47:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:47:38,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:47:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:47:38,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:47:39,010 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:47:39,012 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:47:39,176 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:47:39,216 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:47:39,217 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:47:39,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:47:39 BoogieIcfgContainer [2023-12-03 00:47:39,219 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:47:39,220 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:47:39,220 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:47:39,227 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:47:39,227 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:47:39" (1/1) ... [2023-12-03 00:47:39,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:47:39,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:39,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 42 states and 45 transitions. [2023-12-03 00:47:39,279 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2023-12-03 00:47:39,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 00:47:39,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:39,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:47:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:47:39,373 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:47:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:47:39,395 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 00:47:39,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:47:39 ImpRootNode [2023-12-03 00:47:39,416 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:47:39,417 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:47:39,417 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:47:39,417 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:47:39,418 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:47:39" (3/4) ... [2023-12-03 00:47:39,420 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:47:39,421 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:47:39,421 INFO L158 Benchmark]: Toolchain (without parser) took 770.68ms. Allocated memory is still 165.7MB. Free memory was 127.7MB in the beginning and 89.5MB in the end (delta: 38.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-03 00:47:39,422 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 113.2MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:47:39,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.91ms. Allocated memory is still 165.7MB. Free memory was 127.7MB in the beginning and 117.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 00:47:39,423 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.85ms. Allocated memory is still 165.7MB. Free memory was 117.2MB in the beginning and 115.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:47:39,424 INFO L158 Benchmark]: Boogie Preprocessor took 21.26ms. Allocated memory is still 165.7MB. Free memory was 115.7MB in the beginning and 114.7MB in the end (delta: 992.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:47:39,425 INFO L158 Benchmark]: RCFGBuilder took 323.53ms. Allocated memory is still 165.7MB. Free memory was 114.7MB in the beginning and 100.4MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 00:47:39,425 INFO L158 Benchmark]: CodeCheck took 196.87ms. Allocated memory is still 165.7MB. Free memory was 100.4MB in the beginning and 89.8MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 00:47:39,426 INFO L158 Benchmark]: Witness Printer took 3.70ms. Allocated memory is still 165.7MB. Free memory was 89.8MB in the beginning and 89.5MB in the end (delta: 288.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:47:39,429 INFO L338 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, 42 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of to_int at line 24. Possible FailurePath: [L21] int a, b; [L22] int x, y, z; [L24] a = __VERIFIER_nondet_double() [L25] b = __VERIFIER_nondet_double() [L26] CALL assume_abort_if_not(b >= 1) [L10] COND FALSE !(!cond) [L26] RET assume_abort_if_not(b >= 1) [L28] x = a [L29] y = b [L30] z = 0 VAL [a=-2147483649, b=1, x=-2147483649, y=1, z=0] [L32] COND TRUE 1 VAL [a=-2147483649, b=1, x=-2147483649, y=1, z=0] [L33] x * y VAL [a=-2147483649, b=1, x=-2147483649, y=1, z=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 113.2MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 191.91ms. Allocated memory is still 165.7MB. Free memory was 127.7MB in the beginning and 117.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.85ms. Allocated memory is still 165.7MB. Free memory was 117.2MB in the beginning and 115.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.26ms. Allocated memory is still 165.7MB. Free memory was 115.7MB in the beginning and 114.7MB in the end (delta: 992.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 323.53ms. Allocated memory is still 165.7MB. Free memory was 114.7MB in the beginning and 100.4MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 196.87ms. Allocated memory is still 165.7MB. Free memory was 100.4MB in the beginning and 89.8MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 3.70ms. Allocated memory is still 165.7MB. Free memory was 89.8MB in the beginning and 89.5MB in the end (delta: 288.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 00:47:39,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb13f6-8a2b-49fa-aad2-75f0a936918d/bin/ukojak-verify-Qdu7aM0XO9/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_4feb13f6-8a2b-49fa-aad2-75f0a936918d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb13f6-8a2b-49fa-aad2-75f0a936918d/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb13f6-8a2b-49fa-aad2-75f0a936918d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb13f6-8a2b-49fa-aad2-75f0a936918d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/prodbin.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb13f6-8a2b-49fa-aad2-75f0a936918d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb13f6-8a2b-49fa-aad2-75f0a936918d/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d11f17f8a25d8a5a32a93452e3d89a857b35c1cd218cb024dcaa96fa8702818d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:47:41,394 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:47:41,471 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb13f6-8a2b-49fa-aad2-75f0a936918d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 00:47:41,504 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:47:41,505 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:47:41,506 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:47:41,507 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:47:41,507 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:47:41,508 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:47:41,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:47:41,509 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:47:41,509 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:47:41,510 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:47:41,510 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:47:41,511 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:47:41,511 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:47:41,512 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:47:41,512 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:47:41,513 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:47:41,513 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:47:41,514 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:47:41,514 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:47:41,515 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:47:41,515 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:47:41,516 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:47:41,516 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:47:41,517 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:47:41,517 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:41,518 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:47:41,518 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:47:41,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:47:41,519 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:47:41,519 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:47:41,520 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:47:41,520 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:47:41,520 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:41,521 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:47:41,521 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:47:41,521 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:47:41,521 INFO L153 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_4feb13f6-8a2b-49fa-aad2-75f0a936918d/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb13f6-8a2b-49fa-aad2-75f0a936918d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d11f17f8a25d8a5a32a93452e3d89a857b35c1cd218cb024dcaa96fa8702818d [2023-12-03 00:47:41,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:47:41,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:47:41,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:47:41,826 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:47:41,826 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:47:41,827 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb13f6-8a2b-49fa-aad2-75f0a936918d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench/prodbin.c [2023-12-03 00:47:44,626 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:47:44,843 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:47:44,843 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb13f6-8a2b-49fa-aad2-75f0a936918d/sv-benchmarks/c/nla-digbench/prodbin.c [2023-12-03 00:47:44,851 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb13f6-8a2b-49fa-aad2-75f0a936918d/bin/ukojak-verify-Qdu7aM0XO9/data/e8fde5452/c54f7f2b297e4fe283e4c5f9484e6c7b/FLAG8b3e21765 [2023-12-03 00:47:44,868 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb13f6-8a2b-49fa-aad2-75f0a936918d/bin/ukojak-verify-Qdu7aM0XO9/data/e8fde5452/c54f7f2b297e4fe283e4c5f9484e6c7b [2023-12-03 00:47:44,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:47:44,873 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:47:44,874 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:47:44,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:47:44,880 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:47:44,881 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:47:44" (1/1) ... [2023-12-03 00:47:44,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4647e908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:44, skipping insertion in model container [2023-12-03 00:47:44,883 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:47:44" (1/1) ... [2023-12-03 00:47:44,906 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:47:45,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:47:45,112 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:47:45,134 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:47:45,152 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:47:45,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:45 WrapperNode [2023-12-03 00:47:45,153 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:47:45,154 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:47:45,155 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:47:45,155 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:47:45,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:45" (1/1) ... [2023-12-03 00:47:45,174 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:45" (1/1) ... [2023-12-03 00:47:45,198 INFO L138 Inliner]: procedures = 15, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2023-12-03 00:47:45,199 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:47:45,199 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:47:45,200 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:47:45,200 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:47:45,210 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:45" (1/1) ... [2023-12-03 00:47:45,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:45" (1/1) ... [2023-12-03 00:47:45,214 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:45" (1/1) ... [2023-12-03 00:47:45,214 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:45" (1/1) ... [2023-12-03 00:47:45,223 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:45" (1/1) ... [2023-12-03 00:47:45,227 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:45" (1/1) ... [2023-12-03 00:47:45,229 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:45" (1/1) ... [2023-12-03 00:47:45,231 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:45" (1/1) ... [2023-12-03 00:47:45,235 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:47:45,236 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:47:45,236 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:47:45,236 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:47:45,237 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:45" (1/1) ... [2023-12-03 00:47:45,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:47:45,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb13f6-8a2b-49fa-aad2-75f0a936918d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:47:45,270 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb13f6-8a2b-49fa-aad2-75f0a936918d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:47:45,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb13f6-8a2b-49fa-aad2-75f0a936918d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:47:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:47:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:47:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:47:45,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:47:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:47:45,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:47:45,401 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:47:45,404 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:47:47,126 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:47:47,188 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:47:47,188 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:47:47,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:47:47 BoogieIcfgContainer [2023-12-03 00:47:47,190 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:47:47,191 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:47:47,191 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:47:47,199 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:47:47,199 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:47:47" (1/1) ... [2023-12-03 00:47:47,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:47:47,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:47,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 42 states and 45 transitions. [2023-12-03 00:47:47,282 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2023-12-03 00:47:47,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 00:47:47,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:47,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:47,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb13f6-8a2b-49fa-aad2-75f0a936918d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:47,305 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb13f6-8a2b-49fa-aad2-75f0a936918d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:47,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4feb13f6-8a2b-49fa-aad2-75f0a936918d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:47:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:47:47,715 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:47:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat