./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash acf998c27a5d4b83a2feddb35e0896b9221e58140057280398a3180f484cbd82 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:32:29,870 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:32:29,926 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:32:29,931 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:32:29,931 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:32:29,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:32:29,952 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:32:29,952 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:32:29,952 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:32:29,952 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:32:29,952 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:32:29,952 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:32:29,953 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:32:29,953 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:32:29,953 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:32:29,953 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:32:29,953 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:32:29,953 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:32:29,953 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:32:29,953 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:32:29,953 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:32:29,953 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:32:29,954 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:32:29,954 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:32:29,954 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:32:29,954 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:32:29,954 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:32:29,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:32:29,954 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:32:29,954 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:32:29,954 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:32:29,954 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:32:29,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:32:29,955 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b 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 ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> acf998c27a5d4b83a2feddb35e0896b9221e58140057280398a3180f484cbd82 [2024-12-06 02:32:30,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:32:30,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:32:30,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:32:30,214 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:32:30,214 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:32:30,216 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c [2024-12-06 02:32:32,898 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/data/1b3d10e54/d825ce960b2642f9aac70a73bafeb9d0/FLAGb3d4c2175 [2024-12-06 02:32:33,095 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:32:33,096 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c [2024-12-06 02:32:33,106 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/data/1b3d10e54/d825ce960b2642f9aac70a73bafeb9d0/FLAGb3d4c2175 [2024-12-06 02:32:33,462 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/data/1b3d10e54/d825ce960b2642f9aac70a73bafeb9d0 [2024-12-06 02:32:33,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:32:33,465 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:32:33,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:32:33,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:32:33,469 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:32:33,469 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:32:33" (1/1) ... [2024-12-06 02:32:33,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e03cf98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:33, skipping insertion in model container [2024-12-06 02:32:33,470 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:32:33" (1/1) ... [2024-12-06 02:32:33,480 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:32:33,603 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c[709,722] [2024-12-06 02:32:33,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:32:33,634 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:32:33,645 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c[709,722] [2024-12-06 02:32:33,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:32:33,667 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:32:33,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:33 WrapperNode [2024-12-06 02:32:33,668 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:32:33,669 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:32:33,669 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:32:33,669 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:32:33,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:33" (1/1) ... [2024-12-06 02:32:33,681 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:33" (1/1) ... [2024-12-06 02:32:33,696 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2024-12-06 02:32:33,697 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:32:33,697 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:32:33,697 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:32:33,697 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:32:33,703 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:33" (1/1) ... [2024-12-06 02:32:33,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:33" (1/1) ... [2024-12-06 02:32:33,705 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:33" (1/1) ... [2024-12-06 02:32:33,705 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:33" (1/1) ... [2024-12-06 02:32:33,709 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:33" (1/1) ... [2024-12-06 02:32:33,709 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:33" (1/1) ... [2024-12-06 02:32:33,713 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:33" (1/1) ... [2024-12-06 02:32:33,713 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:33" (1/1) ... [2024-12-06 02:32:33,714 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:33" (1/1) ... [2024-12-06 02:32:33,716 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:32:33,716 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:32:33,717 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:32:33,717 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:32:33,717 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:33" (1/1) ... [2024-12-06 02:32:33,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:32:33,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:32:33,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:32:33,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:32:33,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:32:33,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:32:33,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:32:33,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:32:33,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 02:32:33,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 02:32:33,827 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:32:33,829 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:32:33,948 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-12-06 02:32:33,948 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:32:33,981 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:32:33,982 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 02:32:33,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:32:33 BoogieIcfgContainer [2024-12-06 02:32:33,982 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:32:33,983 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:32:33,983 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:32:33,990 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:32:33,990 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:32:33" (1/1) ... [2024-12-06 02:32:33,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:32:34,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:32:34,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-12-06 02:32:34,047 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-12-06 02:32:34,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:32:34,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:32:34,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:32:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:32:34,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:32:34,154 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:32:34,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:32:34,176 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 02:32:34,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:32:34 ImpRootNode [2024-12-06 02:32:34,195 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:32:34,196 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:32:34,196 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:32:34,196 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:32:34,196 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:32:33" (3/4) ... [2024-12-06 02:32:34,199 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 02:32:34,199 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:32:34,200 INFO L158 Benchmark]: Toolchain (without parser) took 735.33ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 82.8MB in the end (delta: 36.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 02:32:34,201 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:32:34,201 INFO L158 Benchmark]: CACSL2BoogieTranslator took 202.49ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 107.6MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:32:34,201 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.07ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:32:34,202 INFO L158 Benchmark]: Boogie Preprocessor took 18.63ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.3MB in the end (delta: 774.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:32:34,202 INFO L158 Benchmark]: RCFGBuilder took 265.66ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 93.4MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:32:34,203 INFO L158 Benchmark]: CodeCheck took 212.33ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 83.1MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:32:34,203 INFO L158 Benchmark]: Witness Printer took 3.86ms. Allocated memory is still 142.6MB. Free memory was 83.1MB in the beginning and 82.8MB in the end (delta: 250.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:32:34,205 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, 16 locations, 1 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, 5 NumberOfCodeBlocks, 5 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of to_int at line 34, overapproximation of someBinaryDOUBLEComparisonOperation at line 28. Possible FailurePath: [L25] int r; [L26] double a, x, s; [L27] a = __VERIFIER_nondet_double() [L28] CALL assume_abort_if_not(a>=0 && a<=50) [L14] COND FALSE !(!cond) [L28] RET assume_abort_if_not(a>=0 && a<=50) [L29] x = a [L30] s = 3.25 [L31] r = 1 VAL [r=1] [L34] CALL __VERIFIER_assert((int)(4*s) - 12*r*r == 1) VAL [\old(cond)=0] [L17] COND TRUE !(cond) VAL [\old(cond)=0] [L19] reach_error() VAL [\old(cond)=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 202.49ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 107.6MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.07ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.63ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.3MB in the end (delta: 774.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 265.66ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 93.4MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 212.33ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 83.1MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.86ms. Allocated memory is still 142.6MB. Free memory was 83.1MB in the beginning and 82.8MB in the end (delta: 250.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 02:32:34,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash acf998c27a5d4b83a2feddb35e0896b9221e58140057280398a3180f484cbd82 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:32:36,141 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:32:36,220 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 02:32:36,246 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:32:36,247 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:32:36,247 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:32:36,247 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:32:36,248 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:32:36,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:32:36,248 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:32:36,248 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:32:36,248 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:32:36,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:32:36,248 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:32:36,248 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:32:36,248 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:32:36,248 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:32:36,249 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:32:36,249 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:32:36,249 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:32:36,249 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:32:36,249 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:32:36,249 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:32:36,249 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:32:36,249 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:32:36,249 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:32:36,249 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:32:36,250 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:32:36,250 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:32:36,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:32:36,250 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:32:36,250 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:32:36,250 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:32:36,250 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:32:36,250 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:32:36,250 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:32:36,250 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b 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 ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> acf998c27a5d4b83a2feddb35e0896b9221e58140057280398a3180f484cbd82 [2024-12-06 02:32:36,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:32:36,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:32:36,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:32:36,494 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:32:36,495 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:32:36,496 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c [2024-12-06 02:32:39,156 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/data/568cd1d8b/cffd45dfbde742c0915dbbc15af9cfbc/FLAG0e3415e3f [2024-12-06 02:32:39,339 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:32:39,339 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c [2024-12-06 02:32:39,345 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/data/568cd1d8b/cffd45dfbde742c0915dbbc15af9cfbc/FLAG0e3415e3f [2024-12-06 02:32:39,362 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/data/568cd1d8b/cffd45dfbde742c0915dbbc15af9cfbc [2024-12-06 02:32:39,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:32:39,366 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:32:39,368 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:32:39,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:32:39,373 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:32:39,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:32:39" (1/1) ... [2024-12-06 02:32:39,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e7cd2cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:39, skipping insertion in model container [2024-12-06 02:32:39,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:32:39" (1/1) ... [2024-12-06 02:32:39,388 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:32:39,525 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c[709,722] [2024-12-06 02:32:39,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:32:39,558 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:32:39,568 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound50.c[709,722] [2024-12-06 02:32:39,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:32:39,592 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:32:39,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:39 WrapperNode [2024-12-06 02:32:39,592 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:32:39,593 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:32:39,593 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:32:39,593 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:32:39,599 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:39" (1/1) ... [2024-12-06 02:32:39,607 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:39" (1/1) ... [2024-12-06 02:32:39,622 INFO L138 Inliner]: procedures = 15, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40 [2024-12-06 02:32:39,622 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:32:39,623 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:32:39,623 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:32:39,623 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:32:39,630 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:39" (1/1) ... [2024-12-06 02:32:39,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:39" (1/1) ... [2024-12-06 02:32:39,633 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:39" (1/1) ... [2024-12-06 02:32:39,633 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:39" (1/1) ... [2024-12-06 02:32:39,640 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:39" (1/1) ... [2024-12-06 02:32:39,640 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:39" (1/1) ... [2024-12-06 02:32:39,643 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:39" (1/1) ... [2024-12-06 02:32:39,644 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:39" (1/1) ... [2024-12-06 02:32:39,645 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:39" (1/1) ... [2024-12-06 02:32:39,647 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:32:39,647 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:32:39,647 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:32:39,647 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:32:39,648 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:32:39" (1/1) ... [2024-12-06 02:32:39,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:32:39,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:32:39,676 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:32:39,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:32:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:32:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:32:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:32:39,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:32:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 02:32:39,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 02:32:39,752 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:32:39,753 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:32:42,531 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 02:32:42,531 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:32:42,570 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:32:42,570 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 02:32:42,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:32:42 BoogieIcfgContainer [2024-12-06 02:32:42,570 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:32:42,571 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:32:42,571 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:32:42,581 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:32:42,581 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:32:42" (1/1) ... [2024-12-06 02:32:42,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:32:42,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:32:42,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-12-06 02:32:42,625 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-12-06 02:32:42,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:32:42,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:32:42,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:32:42,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:32:42,628 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:32:42,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:32:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:32:42,761 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:32:42,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:32:42,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 02:32:42,899 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:32:43,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:32:43,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:32:44,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:32:47,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:32:51,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.52s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:33:01,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:33:11,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:33:15,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.72s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:33:19,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.29s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:33:29,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:33:39,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:33:40,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:33:40,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 19 states and 32 transitions. [2024-12-06 02:33:40,905 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 32 transitions. [2024-12-06 02:33:40,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 02:33:40,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:33:40,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:33:40,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:33:40,910 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:33:40,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 02:33:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:33:41,391 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:33:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:33:48,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 02:33:48,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:33:50,570 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:33:50,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 02:33:52,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:33:54,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:34:02,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.42s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:34:05,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:34:15,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:34:25,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:34:29,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:34:40,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:34:50,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:34:58,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.03s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:35:09,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:35:19,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:35:26,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.30s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:35:36,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:35:46,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:35:54,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.13s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:35:58,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:35:59,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:36:01,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:36:05,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:36:11,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.24s for a HTC check with result VALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:36:13,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:36:15,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:36:15,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:36:15,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 25 states and 56 transitions. [2024-12-06 02:36:15,338 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 56 transitions. [2024-12-06 02:36:15,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 02:36:15,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:36:15,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:36:15,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:36:15,341 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:36:15,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0941077b-eeca-46d3-8356-6bf40ad2d7c6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 02:36:53,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:36:53,881 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:37:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat