./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 30e01a73 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_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/prodbin.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/bin/ukojak-verify-1t5iHCbJaC --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 0.2.3-dev-30e01a7 [2023-11-23 20:08:37,754 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:08:37,847 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:08:37,852 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:08:37,853 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:08:37,887 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:08:37,888 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:08:37,889 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:08:37,890 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:08:37,896 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:08:37,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:08:37,897 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:08:37,897 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:08:37,899 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:08:37,901 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:08:37,901 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:08:37,902 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:08:37,902 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:08:37,902 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:08:37,903 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:08:37,904 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:08:37,904 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:08:37,904 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:08:37,905 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:08:37,905 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:08:37,906 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:08:37,906 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:08:37,907 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:08:37,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:08:37,909 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:08:37,911 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:08:37,911 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:08:37,911 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:08:37,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:08:37,912 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:08:37,913 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_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d11f17f8a25d8a5a32a93452e3d89a857b35c1cd218cb024dcaa96fa8702818d [2023-11-23 20:08:38,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:08:38,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:08:38,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:08:38,239 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:08:38,240 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:08:38,241 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench/prodbin.c [2023-11-23 20:08:41,546 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:08:41,767 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:08:41,767 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/sv-benchmarks/c/nla-digbench/prodbin.c [2023-11-23 20:08:41,775 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/bin/ukojak-verify-1t5iHCbJaC/data/a71a4cbfc/da36e19d9b32476ea5492d23884b306e/FLAG9d68468c3 [2023-11-23 20:08:41,793 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/bin/ukojak-verify-1t5iHCbJaC/data/a71a4cbfc/da36e19d9b32476ea5492d23884b306e [2023-11-23 20:08:41,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:08:41,801 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:08:41,805 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:08:41,805 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:08:41,811 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:08:41,815 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:08:41" (1/1) ... [2023-11-23 20:08:41,816 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@697adec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:41, skipping insertion in model container [2023-11-23 20:08:41,817 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:08:41" (1/1) ... [2023-11-23 20:08:41,839 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:08:42,024 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:08:42,035 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:08:42,053 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:08:42,069 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:08:42,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:42 WrapperNode [2023-11-23 20:08:42,070 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:08:42,072 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:08:42,072 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:08:42,072 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:08:42,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:42" (1/1) ... [2023-11-23 20:08:42,086 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:42" (1/1) ... [2023-11-23 20:08:42,107 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2023-11-23 20:08:42,108 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:08:42,109 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:08:42,109 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:08:42,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:08:42,119 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:42" (1/1) ... [2023-11-23 20:08:42,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:42" (1/1) ... [2023-11-23 20:08:42,121 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:42" (1/1) ... [2023-11-23 20:08:42,121 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:42" (1/1) ... [2023-11-23 20:08:42,128 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:42" (1/1) ... [2023-11-23 20:08:42,147 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:42" (1/1) ... [2023-11-23 20:08:42,148 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:42" (1/1) ... [2023-11-23 20:08:42,149 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:42" (1/1) ... [2023-11-23 20:08:42,151 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:08:42,152 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:08:42,152 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:08:42,152 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:08:42,153 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:42" (1/1) ... [2023-11-23 20:08:42,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:08:42,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:08:42,183 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:08:42,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:08:42,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:08:42,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:08:42,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:08:42,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:08:42,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:08:42,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:08:42,286 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:08:42,288 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:08:42,501 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:08:42,564 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:08:42,564 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:08:42,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:08:42 BoogieIcfgContainer [2023-11-23 20:08:42,567 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:08:42,568 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:08:42,568 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:08:42,577 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:08:42,577 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:08:42" (1/1) ... [2023-11-23 20:08:42,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:08:42,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:42,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 42 states and 45 transitions. [2023-11-23 20:08:42,648 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2023-11-23 20:08:42,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:08:42,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:42,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:08:42,804 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:08:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:08:42,841 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-23 20:08:42,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:08:42 ImpRootNode [2023-11-23 20:08:42,868 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:08:42,869 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:08:42,870 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:08:42,870 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:08:42,870 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:08:42" (3/4) ... [2023-11-23 20:08:42,878 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:08:42,880 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:08:42,883 INFO L158 Benchmark]: Toolchain (without parser) took 1080.61ms. Allocated memory is still 157.3MB. Free memory was 108.7MB in the beginning and 70.3MB in the end (delta: 38.4MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-23 20:08:42,883 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 157.3MB. Free memory is still 128.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:08:42,885 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.62ms. Allocated memory is still 157.3MB. Free memory was 108.7MB in the beginning and 98.2MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:08:42,886 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.73ms. Allocated memory is still 157.3MB. Free memory was 98.2MB in the beginning and 96.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:08:42,887 INFO L158 Benchmark]: Boogie Preprocessor took 42.21ms. Allocated memory is still 157.3MB. Free memory was 96.8MB in the beginning and 95.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:08:42,888 INFO L158 Benchmark]: RCFGBuilder took 414.93ms. Allocated memory is still 157.3MB. Free memory was 95.4MB in the beginning and 80.8MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:08:42,890 INFO L158 Benchmark]: CodeCheck took 300.66ms. Allocated memory is still 157.3MB. Free memory was 80.8MB in the beginning and 70.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:08:42,891 INFO L158 Benchmark]: Witness Printer took 11.90ms. Allocated memory is still 157.3MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:08:42,902 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 0.32ms. Allocated memory is still 157.3MB. Free memory is still 128.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.62ms. Allocated memory is still 157.3MB. Free memory was 108.7MB in the beginning and 98.2MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.73ms. Allocated memory is still 157.3MB. Free memory was 98.2MB in the beginning and 96.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.21ms. Allocated memory is still 157.3MB. Free memory was 96.8MB in the beginning and 95.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 414.93ms. Allocated memory is still 157.3MB. Free memory was 95.4MB in the beginning and 80.8MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 300.66ms. Allocated memory is still 157.3MB. Free memory was 80.8MB in the beginning and 70.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 11.90ms. Allocated memory is still 157.3MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:08:42,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/bin/ukojak-verify-1t5iHCbJaC/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_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/prodbin.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/bin/ukojak-verify-1t5iHCbJaC --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 0.2.3-dev-30e01a7 [2023-11-23 20:08:45,775 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:08:45,905 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:08:45,970 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:08:45,971 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:08:45,972 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:08:45,973 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:08:45,974 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:08:45,976 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:08:45,981 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:08:45,981 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:08:45,982 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:08:45,983 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:08:45,984 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:08:45,985 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:08:45,985 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:08:45,986 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:08:45,986 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:08:45,987 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:08:45,988 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:08:45,988 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:08:45,989 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:08:45,989 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:08:45,990 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:08:45,990 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:08:45,991 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:08:45,991 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:08:45,992 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:08:45,992 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:08:45,993 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:08:45,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:08:45,994 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:08:45,995 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:08:45,995 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:08:45,996 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:08:45,996 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:08:45,996 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:08:45,996 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:08:45,997 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:08:45,998 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_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d11f17f8a25d8a5a32a93452e3d89a857b35c1cd218cb024dcaa96fa8702818d [2023-11-23 20:08:46,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:08:46,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:08:46,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:08:46,455 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:08:46,455 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:08:46,457 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench/prodbin.c [2023-11-23 20:08:49,715 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:08:49,994 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:08:49,995 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/sv-benchmarks/c/nla-digbench/prodbin.c [2023-11-23 20:08:50,003 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/bin/ukojak-verify-1t5iHCbJaC/data/6113bb979/bc8804b5c3c7453a81a8bd7c8aabc070/FLAGa1a11951c [2023-11-23 20:08:50,018 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/bin/ukojak-verify-1t5iHCbJaC/data/6113bb979/bc8804b5c3c7453a81a8bd7c8aabc070 [2023-11-23 20:08:50,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:08:50,022 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:08:50,023 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:08:50,024 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:08:50,028 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:08:50,029 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:08:50" (1/1) ... [2023-11-23 20:08:50,030 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10e3c9a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:50, skipping insertion in model container [2023-11-23 20:08:50,031 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:08:50" (1/1) ... [2023-11-23 20:08:50,053 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:08:50,263 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:08:50,281 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:08:50,322 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:08:50,342 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:08:50,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:50 WrapperNode [2023-11-23 20:08:50,342 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:08:50,344 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:08:50,344 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:08:50,344 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:08:50,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:50" (1/1) ... [2023-11-23 20:08:50,375 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:50" (1/1) ... [2023-11-23 20:08:50,403 INFO L138 Inliner]: procedures = 15, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2023-11-23 20:08:50,404 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:08:50,405 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:08:50,405 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:08:50,405 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:08:50,414 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:50" (1/1) ... [2023-11-23 20:08:50,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:50" (1/1) ... [2023-11-23 20:08:50,422 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:50" (1/1) ... [2023-11-23 20:08:50,423 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:50" (1/1) ... [2023-11-23 20:08:50,446 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:50" (1/1) ... [2023-11-23 20:08:50,449 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:50" (1/1) ... [2023-11-23 20:08:50,451 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:50" (1/1) ... [2023-11-23 20:08:50,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:50" (1/1) ... [2023-11-23 20:08:50,455 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:08:50,456 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:08:50,456 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:08:50,456 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:08:50,457 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:50" (1/1) ... [2023-11-23 20:08:50,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:08:50,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:08:50,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:08:50,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:08:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:08:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:08:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:08:50,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:08:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:08:50,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:08:50,673 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:08:50,675 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:08:52,636 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:08:52,697 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:08:52,697 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:08:52,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:08:52 BoogieIcfgContainer [2023-11-23 20:08:52,699 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:08:52,700 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:08:52,700 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:08:52,711 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:08:52,712 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:08:52" (1/1) ... [2023-11-23 20:08:52,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:08:52,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:52,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 42 states and 45 transitions. [2023-11-23 20:08:52,780 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2023-11-23 20:08:52,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:08:52,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:52,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:08:52,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:08:52,820 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:08:52,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1196ab82-2370-47fe-9be1-cd7c7cb8b4f2/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:08:53,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:08:53,349 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:08:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat