./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 a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d2af897-3265-494d-be9d-afe7a7a803f2/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d2af897-3265-494d-be9d-afe7a7a803f2/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d2af897-3265-494d-be9d-afe7a7a803f2/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d2af897-3265-494d-be9d-afe7a7a803f2/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/prodbin.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d2af897-3265-494d-be9d-afe7a7a803f2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d2af897-3265-494d-be9d-afe7a7a803f2/bin/ukojak-verify-ImItNfHLgk --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 0.2.5-dev-a016563 [2024-11-08 19:46:42,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:46:42,947 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d2af897-3265-494d-be9d-afe7a7a803f2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-08 19:46:42,952 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:46:42,953 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:46:43,000 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:46:43,004 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:46:43,004 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:46:43,005 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:46:43,006 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:46:43,007 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:46:43,007 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:46:43,008 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:46:43,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:46:43,011 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:46:43,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:46:43,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:46:43,012 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:46:43,012 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:46:43,012 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:46:43,012 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:46:43,017 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:46:43,017 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:46:43,017 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:46:43,017 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:46:43,028 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:46:43,029 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:46:43,029 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:46:43,029 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:46:43,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:46:43,031 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:46:43,031 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:46:43,031 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:46:43,032 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:46:43,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:46:43,032 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_2d2af897-3265-494d-be9d-afe7a7a803f2/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d2af897-3265-494d-be9d-afe7a7a803f2/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d11f17f8a25d8a5a32a93452e3d89a857b35c1cd218cb024dcaa96fa8702818d [2024-11-08 19:46:43,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:46:43,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:46:43,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:46:43,357 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:46:43,358 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:46:43,359 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d2af897-3265-494d-be9d-afe7a7a803f2/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench/prodbin.c Unable to find full path for "g++" [2024-11-08 19:46:45,281 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:46:45,504 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:46:45,505 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d2af897-3265-494d-be9d-afe7a7a803f2/sv-benchmarks/c/nla-digbench/prodbin.c [2024-11-08 19:46:45,532 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d2af897-3265-494d-be9d-afe7a7a803f2/bin/ukojak-verify-ImItNfHLgk/data/72c25bf84/f553592573204642b2219086c9807454/FLAG027d27b9d [2024-11-08 19:46:45,553 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d2af897-3265-494d-be9d-afe7a7a803f2/bin/ukojak-verify-ImItNfHLgk/data/72c25bf84/f553592573204642b2219086c9807454 [2024-11-08 19:46:45,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:46:45,558 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:46:45,559 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:46:45,559 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:46:45,565 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:46:45,565 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:46:45" (1/1) ... [2024-11-08 19:46:45,567 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27fb212f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:45, skipping insertion in model container [2024-11-08 19:46:45,567 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:46:45" (1/1) ... [2024-11-08 19:46:45,588 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:46:45,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:46:45,835 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:46:45,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:46:45,869 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:46:45,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:45 WrapperNode [2024-11-08 19:46:45,870 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:46:45,871 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:46:45,871 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:46:45,871 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:46:45,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:45" (1/1) ... [2024-11-08 19:46:45,884 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:45" (1/1) ... [2024-11-08 19:46:45,902 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2024-11-08 19:46:45,903 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:46:45,903 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:46:45,904 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:46:45,904 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:46:45,914 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:45" (1/1) ... [2024-11-08 19:46:45,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:45" (1/1) ... [2024-11-08 19:46:45,916 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:45" (1/1) ... [2024-11-08 19:46:45,916 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:45" (1/1) ... [2024-11-08 19:46:45,920 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:45" (1/1) ... [2024-11-08 19:46:45,924 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:45" (1/1) ... [2024-11-08 19:46:45,925 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:45" (1/1) ... [2024-11-08 19:46:45,926 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:45" (1/1) ... [2024-11-08 19:46:45,927 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:46:45,928 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:46:45,928 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:46:45,929 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:46:45,930 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:45" (1/1) ... [2024-11-08 19:46:45,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:46:45,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d2af897-3265-494d-be9d-afe7a7a803f2/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:46:45,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d2af897-3265-494d-be9d-afe7a7a803f2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:46:45,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d2af897-3265-494d-be9d-afe7a7a803f2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:46:46,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:46:46,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:46:46,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:46:46,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:46:46,012 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 19:46:46,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 19:46:46,091 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:46:46,094 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:46:46,420 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-08 19:46:46,420 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:46:46,488 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:46:46,488 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:46:46,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:46:46 BoogieIcfgContainer [2024-11-08 19:46:46,489 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:46:46,492 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:46:46,492 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:46:46,503 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:46:46,503 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:46:46" (1/1) ... [2024-11-08 19:46:46,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:46:46,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:46:46,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 42 states and 45 transitions. [2024-11-08 19:46:46,588 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2024-11-08 19:46:46,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 19:46:46,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:46:46,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:46:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:46:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:46:46,742 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:46:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:46:46,781 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 19:46:46,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:46:46 ImpRootNode [2024-11-08 19:46:46,810 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:46:46,811 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:46:46,811 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:46:46,812 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:46:46,812 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:46:46" (3/4) ... [2024-11-08 19:46:46,815 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:46:46,817 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:46:46,818 INFO L158 Benchmark]: Toolchain (without parser) took 1260.16ms. Allocated memory is still 146.8MB. Free memory was 117.4MB in the beginning and 76.1MB in the end (delta: 41.3MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-08 19:46:46,818 INFO L158 Benchmark]: CDTParser took 0.91ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 91.7MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:46:46,819 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.16ms. Allocated memory is still 146.8MB. Free memory was 117.4MB in the beginning and 105.3MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 19:46:46,821 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.13ms. Allocated memory is still 146.8MB. Free memory was 104.8MB in the beginning and 103.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:46:46,822 INFO L158 Benchmark]: Boogie Preprocessor took 24.12ms. Allocated memory is still 146.8MB. Free memory was 103.4MB in the beginning and 102.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:46:46,823 INFO L158 Benchmark]: RCFGBuilder took 560.65ms. Allocated memory is still 146.8MB. Free memory was 102.2MB in the beginning and 87.1MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:46:46,824 INFO L158 Benchmark]: CodeCheck took 318.27ms. Allocated memory is still 146.8MB. Free memory was 87.1MB in the beginning and 76.1MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 19:46:46,825 INFO L158 Benchmark]: Witness Printer took 6.09ms. Allocated memory is still 146.8MB. Free memory is still 76.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:46:46,830 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: 0.3s, 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, z=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 91.7MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.16ms. Allocated memory is still 146.8MB. Free memory was 117.4MB in the beginning and 105.3MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.13ms. Allocated memory is still 146.8MB. Free memory was 104.8MB in the beginning and 103.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.12ms. Allocated memory is still 146.8MB. Free memory was 103.4MB in the beginning and 102.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 560.65ms. Allocated memory is still 146.8MB. Free memory was 102.2MB in the beginning and 87.1MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 318.27ms. Allocated memory is still 146.8MB. Free memory was 87.1MB in the beginning and 76.1MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 6.09ms. Allocated memory is still 146.8MB. Free memory is still 76.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:46:46,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d2af897-3265-494d-be9d-afe7a7a803f2/bin/ukojak-verify-ImItNfHLgk/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d2af897-3265-494d-be9d-afe7a7a803f2/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d2af897-3265-494d-be9d-afe7a7a803f2/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d2af897-3265-494d-be9d-afe7a7a803f2/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d2af897-3265-494d-be9d-afe7a7a803f2/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/prodbin.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d2af897-3265-494d-be9d-afe7a7a803f2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d2af897-3265-494d-be9d-afe7a7a803f2/bin/ukojak-verify-ImItNfHLgk --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 0.2.5-dev-a016563 [2024-11-08 19:46:49,393 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:46:49,488 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d2af897-3265-494d-be9d-afe7a7a803f2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-08 19:46:49,540 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:46:49,541 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:46:49,542 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:46:49,543 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:46:49,544 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:46:49,544 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:46:49,545 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:46:49,546 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:46:49,546 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:46:49,547 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:46:49,549 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:46:49,550 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:46:49,550 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:46:49,550 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:46:49,551 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:46:49,551 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:46:49,551 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:46:49,552 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:46:49,556 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:46:49,556 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:46:49,556 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:46:49,557 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:46:49,557 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:46:49,557 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:46:49,557 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:46:49,558 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:46:49,558 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:46:49,558 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:46:49,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:46:49,559 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:46:49,559 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:46:49,561 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:46:49,562 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:46:49,562 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:46:49,563 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:46:49,563 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_2d2af897-3265-494d-be9d-afe7a7a803f2/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d2af897-3265-494d-be9d-afe7a7a803f2/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d11f17f8a25d8a5a32a93452e3d89a857b35c1cd218cb024dcaa96fa8702818d [2024-11-08 19:46:49,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:46:49,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:46:49,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:46:49,962 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:46:49,964 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:46:49,965 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d2af897-3265-494d-be9d-afe7a7a803f2/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench/prodbin.c Unable to find full path for "g++" [2024-11-08 19:46:52,207 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:46:52,464 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:46:52,464 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d2af897-3265-494d-be9d-afe7a7a803f2/sv-benchmarks/c/nla-digbench/prodbin.c [2024-11-08 19:46:52,471 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d2af897-3265-494d-be9d-afe7a7a803f2/bin/ukojak-verify-ImItNfHLgk/data/c3f362fac/5bc3394f54084bd9a6c5608c4366f758/FLAG787a1ffdd [2024-11-08 19:46:52,817 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d2af897-3265-494d-be9d-afe7a7a803f2/bin/ukojak-verify-ImItNfHLgk/data/c3f362fac/5bc3394f54084bd9a6c5608c4366f758 [2024-11-08 19:46:52,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:46:52,826 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:46:52,835 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:46:52,835 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:46:52,849 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:46:52,851 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:46:52" (1/1) ... [2024-11-08 19:46:52,852 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21b2d0cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:52, skipping insertion in model container [2024-11-08 19:46:52,852 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:46:52" (1/1) ... [2024-11-08 19:46:52,888 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:46:53,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:46:53,159 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:46:53,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:46:53,217 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:46:53,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:53 WrapperNode [2024-11-08 19:46:53,218 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:46:53,219 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:46:53,220 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:46:53,220 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:46:53,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:53" (1/1) ... [2024-11-08 19:46:53,240 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:53" (1/1) ... [2024-11-08 19:46:53,288 INFO L138 Inliner]: procedures = 15, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2024-11-08 19:46:53,289 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:46:53,290 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:46:53,291 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:46:53,291 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:46:53,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:53" (1/1) ... [2024-11-08 19:46:53,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:53" (1/1) ... [2024-11-08 19:46:53,305 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:53" (1/1) ... [2024-11-08 19:46:53,306 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:53" (1/1) ... [2024-11-08 19:46:53,319 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:53" (1/1) ... [2024-11-08 19:46:53,344 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:53" (1/1) ... [2024-11-08 19:46:53,349 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:53" (1/1) ... [2024-11-08 19:46:53,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:53" (1/1) ... [2024-11-08 19:46:53,356 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:46:53,360 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:46:53,360 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:46:53,360 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:46:53,361 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:46:53" (1/1) ... [2024-11-08 19:46:53,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:46:53,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d2af897-3265-494d-be9d-afe7a7a803f2/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:46:53,403 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d2af897-3265-494d-be9d-afe7a7a803f2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:46:53,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d2af897-3265-494d-be9d-afe7a7a803f2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:46:53,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:46:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 19:46:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:46:53,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:46:53,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 19:46:53,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 19:46:53,541 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:46:53,544 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:46:55,037 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-11-08 19:46:55,037 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:46:55,137 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:46:55,137 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:46:55,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:46:55 BoogieIcfgContainer [2024-11-08 19:46:55,138 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:46:55,139 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:46:55,139 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:46:55,150 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:46:55,151 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:46:55" (1/1) ... [2024-11-08 19:46:55,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:46:55,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:46:55,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 42 states and 45 transitions. [2024-11-08 19:46:55,214 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2024-11-08 19:46:55,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 19:46:55,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:46:55,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:46:55,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d2af897-3265-494d-be9d-afe7a7a803f2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:46:55,217 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d2af897-3265-494d-be9d-afe7a7a803f2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:46:55,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d2af897-3265-494d-be9d-afe7a7a803f2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 19:46:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:46:55,533 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:46:55,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat