./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound2.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_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/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_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/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_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/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 2c82dcc3d917c20926ea634368e9542e23b7ae4e7817b33542bbba01403d748d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:34:58,706 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:34:58,763 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:34:58,767 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:34:58,767 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:34:58,787 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:34:58,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:34:58,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:34:58,789 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:34:58,789 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:34:58,789 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:34:58,789 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:34:58,789 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:34:58,789 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:34:58,789 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:34:58,789 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:34:58,789 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:34:58,789 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:34:58,790 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:34:58,790 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:34:58,790 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:34:58,790 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:34:58,790 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:34:58,790 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:34:58,790 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:34:58,790 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:34:58,790 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:34:58,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:34:58,791 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:34:58,791 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:34:58,791 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:34:58,791 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:34:58,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:34:58,791 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_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/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 -> 2c82dcc3d917c20926ea634368e9542e23b7ae4e7817b33542bbba01403d748d [2024-12-05 22:34:59,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:34:59,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:34:59,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:34:59,031 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:34:59,032 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:34:59,033 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound2.c [2024-12-05 22:35:01,666 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/bin/ukojak-verify-CZk0znPC7b/data/5f3673127/770033b85c1447859527e9e2af5aa86f/FLAG5ad66df61 [2024-12-05 22:35:01,845 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:35:01,845 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound2.c [2024-12-05 22:35:01,851 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/bin/ukojak-verify-CZk0znPC7b/data/5f3673127/770033b85c1447859527e9e2af5aa86f/FLAG5ad66df61 [2024-12-05 22:35:01,867 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/bin/ukojak-verify-CZk0znPC7b/data/5f3673127/770033b85c1447859527e9e2af5aa86f [2024-12-05 22:35:01,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:35:01,870 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:35:01,872 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:35:01,872 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:35:01,876 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:35:01,877 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:35:01" (1/1) ... [2024-12-05 22:35:01,877 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@161a8420 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:01, skipping insertion in model container [2024-12-05 22:35:01,878 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:35:01" (1/1) ... [2024-12-05 22:35:01,891 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:35:02,023 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_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound2.c[712,725] [2024-12-05 22:35:02,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:35:02,042 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:35:02,050 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_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound2.c[712,725] [2024-12-05 22:35:02,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:35:02,064 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:35:02,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:02 WrapperNode [2024-12-05 22:35:02,064 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:35:02,065 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:35:02,065 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:35:02,065 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:35:02,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:02" (1/1) ... [2024-12-05 22:35:02,075 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:02" (1/1) ... [2024-12-05 22:35:02,086 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 32 [2024-12-05 22:35:02,086 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:35:02,087 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:35:02,087 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:35:02,087 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:35:02,091 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:02" (1/1) ... [2024-12-05 22:35:02,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:02" (1/1) ... [2024-12-05 22:35:02,093 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:02" (1/1) ... [2024-12-05 22:35:02,093 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:02" (1/1) ... [2024-12-05 22:35:02,096 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:02" (1/1) ... [2024-12-05 22:35:02,097 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:02" (1/1) ... [2024-12-05 22:35:02,100 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:02" (1/1) ... [2024-12-05 22:35:02,101 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:02" (1/1) ... [2024-12-05 22:35:02,102 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:02" (1/1) ... [2024-12-05 22:35:02,103 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:35:02,104 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:35:02,104 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:35:02,104 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:35:02,105 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:02" (1/1) ... [2024-12-05 22:35:02,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:35:02,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:35:02,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:35:02,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:35:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:35:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:35:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:35:02,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:35:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 22:35:02,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 22:35:02,193 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:35:02,194 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:35:02,271 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-05 22:35:02,271 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:35:02,308 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:35:02,308 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 22:35:02,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:35:02 BoogieIcfgContainer [2024-12-05 22:35:02,308 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:35:02,309 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:35:02,309 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:35:02,319 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:35:02,319 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:35:02" (1/1) ... [2024-12-05 22:35:02,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:35:02,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:02,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-12-05 22:35:02,373 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-12-05 22:35:02,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:35:02,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:02,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:35:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:35:02,453 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:35:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:35:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:35:02,494 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:35:02,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:35:02,509 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 22:35:02,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:35:02 ImpRootNode [2024-12-05 22:35:02,528 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:35:02,529 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:35:02,529 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:35:02,529 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:35:02,530 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:35:02" (3/4) ... [2024-12-05 22:35:02,532 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 22:35:02,533 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:35:02,534 INFO L158 Benchmark]: Toolchain (without parser) took 663.43ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 82.7MB in the end (delta: 35.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 22:35:02,534 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:35:02,534 INFO L158 Benchmark]: CACSL2BoogieTranslator took 193.04ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 106.7MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:35:02,535 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.19ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 105.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:35:02,535 INFO L158 Benchmark]: Boogie Preprocessor took 16.71ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 104.8MB in the end (delta: 809.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:35:02,536 INFO L158 Benchmark]: RCFGBuilder took 204.37ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 93.7MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:35:02,536 INFO L158 Benchmark]: CodeCheck took 219.36ms. Allocated memory is still 142.6MB. Free memory was 93.7MB in the beginning and 82.9MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:35:02,536 INFO L158 Benchmark]: Witness Printer took 3.96ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 82.7MB in the end (delta: 188.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:35:02,538 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, 12 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 33, overapproximation of someBinaryArithmeticDOUBLEoperation at line 29, overapproximation of someBinaryDOUBLEComparisonOperation at line 28. Possible FailurePath: [L25] int r; [L26] double a, x; [L27] a = __VERIFIER_nondet_double() [L28] CALL assume_abort_if_not(a>=0 && a<=2) [L14] COND FALSE !(!cond) [L28] RET assume_abort_if_not(a>=0 && a<=2) [L29] x = a / 2.0 [L30] r = 0 VAL [r=0] [L33] CALL __VERIFIER_assert((int)(r*r - a - r + 2*x) == 0) 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 0.24ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 193.04ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 106.7MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.19ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 105.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.71ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 104.8MB in the end (delta: 809.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 204.37ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 93.7MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 219.36ms. Allocated memory is still 142.6MB. Free memory was 93.7MB in the beginning and 82.9MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.96ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 82.7MB in the end (delta: 188.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 22:35:02,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/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_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/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_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/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_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/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 2c82dcc3d917c20926ea634368e9542e23b7ae4e7817b33542bbba01403d748d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:35:04,441 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:35:04,515 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 22:35:04,540 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:35:04,541 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:35:04,541 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:35:04,541 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:35:04,541 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:35:04,541 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:35:04,541 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:35:04,542 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:35:04,542 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:35:04,542 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:35:04,542 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:35:04,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:35:04,542 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:35:04,542 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:35:04,542 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:35:04,542 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:35:04,542 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:35:04,542 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:35:04,542 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:35:04,543 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:35:04,543 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:35:04,543 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:35:04,543 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:35:04,543 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:35:04,543 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:35:04,543 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:35:04,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:35:04,543 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:35:04,543 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:35:04,543 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:35:04,544 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:35:04,544 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:35:04,544 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:35:04,544 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_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/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 -> 2c82dcc3d917c20926ea634368e9542e23b7ae4e7817b33542bbba01403d748d [2024-12-05 22:35:04,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:35:04,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:35:04,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:35:04,790 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:35:04,790 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:35:04,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound2.c [2024-12-05 22:35:07,469 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/bin/ukojak-verify-CZk0znPC7b/data/8f8570e61/a67a97d72e6545f29323fecb2988d23e/FLAG40ed30cf0 [2024-12-05 22:35:07,680 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:35:07,681 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound2.c [2024-12-05 22:35:07,689 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/bin/ukojak-verify-CZk0znPC7b/data/8f8570e61/a67a97d72e6545f29323fecb2988d23e/FLAG40ed30cf0 [2024-12-05 22:35:07,704 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/bin/ukojak-verify-CZk0znPC7b/data/8f8570e61/a67a97d72e6545f29323fecb2988d23e [2024-12-05 22:35:07,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:35:07,708 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:35:07,709 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:35:07,709 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:35:07,714 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:35:07,715 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:35:07" (1/1) ... [2024-12-05 22:35:07,715 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48778972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:07, skipping insertion in model container [2024-12-05 22:35:07,716 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:35:07" (1/1) ... [2024-12-05 22:35:07,729 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:35:07,864 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_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound2.c[712,725] [2024-12-05 22:35:07,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:35:07,892 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:35:07,902 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_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound2.c[712,725] [2024-12-05 22:35:07,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:35:07,920 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:35:07,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:07 WrapperNode [2024-12-05 22:35:07,920 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:35:07,921 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:35:07,921 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:35:07,921 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:35:07,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:07" (1/1) ... [2024-12-05 22:35:07,934 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:07" (1/1) ... [2024-12-05 22:35:07,949 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 33 [2024-12-05 22:35:07,949 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:35:07,950 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:35:07,950 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:35:07,950 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:35:07,957 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:07" (1/1) ... [2024-12-05 22:35:07,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:07" (1/1) ... [2024-12-05 22:35:07,959 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:07" (1/1) ... [2024-12-05 22:35:07,959 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:07" (1/1) ... [2024-12-05 22:35:07,965 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:07" (1/1) ... [2024-12-05 22:35:07,965 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:07" (1/1) ... [2024-12-05 22:35:07,968 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:07" (1/1) ... [2024-12-05 22:35:07,969 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:07" (1/1) ... [2024-12-05 22:35:07,970 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:07" (1/1) ... [2024-12-05 22:35:07,972 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:35:07,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:35:07,973 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:35:07,973 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:35:07,974 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:07" (1/1) ... [2024-12-05 22:35:07,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:35:07,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:35:08,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:35:08,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:35:08,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:35:08,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:35:08,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:35:08,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:35:08,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 22:35:08,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 22:35:08,083 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:35:08,085 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:35:09,002 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-05 22:35:09,002 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:35:09,049 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:35:09,049 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 22:35:09,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:35:09 BoogieIcfgContainer [2024-12-05 22:35:09,050 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:35:09,050 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:35:09,050 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:35:09,060 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:35:09,060 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:35:09" (1/1) ... [2024-12-05 22:35:09,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:35:09,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:09,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-12-05 22:35:09,102 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-12-05 22:35:09,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:35:09,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:09,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:35:09,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:35:09,106 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:35:09,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:35:09,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:09,723 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:35:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:35:19,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:35:19,836 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 22:35:19,840 INFO L158 Benchmark]: Toolchain (without parser) took 12131.85ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 64.6MB in the end (delta: 5.1MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2024-12-05 22:35:19,840 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:35:19,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.44ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 58.0MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:35:19,841 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.09ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 56.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:35:19,842 INFO L158 Benchmark]: Boogie Preprocessor took 22.42ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 55.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:35:19,842 INFO L158 Benchmark]: RCFGBuilder took 1077.06ms. Allocated memory is still 92.3MB. Free memory was 55.8MB in the beginning and 43.2MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:35:19,843 INFO L158 Benchmark]: CodeCheck took 10788.50ms. Allocated memory is still 92.3MB. Free memory was 43.2MB in the beginning and 64.6MB in the end (delta: -21.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:35:19,845 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 211.44ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 58.0MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.09ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 56.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.42ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 55.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1077.06ms. Allocated memory is still 92.3MB. Free memory was 55.8MB in the beginning and 43.2MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 10788.50ms. Allocated memory is still 92.3MB. Free memory was 43.2MB in the beginning and 64.6MB in the end (delta: -21.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 22:35:19,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af6a70fd-285d-45ba-b08e-3cb0a8d2b567/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown