./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 a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk --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 0.2.5-dev-a016563 [2024-11-08 19:24:51,533 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:24:51,638 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 19:24:51,644 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:24:51,644 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:24:51,688 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:24:51,689 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:24:51,690 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:24:51,691 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:24:51,691 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:24:51,692 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:24:51,693 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:24:51,693 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:24:51,695 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:24:51,698 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:24:51,698 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:24:51,699 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:24:51,699 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:24:51,700 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:24:51,700 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:24:51,700 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:24:51,705 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:24:51,706 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:24:51,706 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:24:51,707 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:24:51,707 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:24:51,707 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:24:51,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:24:51,708 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:24:51,709 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:24:51,712 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:24:51,712 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:24:51,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:24:51,713 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c82dcc3d917c20926ea634368e9542e23b7ae4e7817b33542bbba01403d748d [2024-11-08 19:24:52,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:24:52,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:24:52,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:24:52,099 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:24:52,100 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:24:52,101 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound2.c Unable to find full path for "g++" [2024-11-08 19:24:54,514 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:24:54,851 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:24:54,852 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound2.c [2024-11-08 19:24:54,862 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk/data/9997feea6/30929b64c0b947c3bbd1e0c19ab76ac4/FLAG3fe2121fc [2024-11-08 19:24:55,132 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk/data/9997feea6/30929b64c0b947c3bbd1e0c19ab76ac4 [2024-11-08 19:24:55,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:24:55,137 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:24:55,139 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:24:55,139 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:24:55,149 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:24:55,150 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:24:55" (1/1) ... [2024-11-08 19:24:55,152 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c056944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:55, skipping insertion in model container [2024-11-08 19:24:55,152 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:24:55" (1/1) ... [2024-11-08 19:24:55,181 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:24:55,422 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_616980ae-e739-41c6-bc72-479423269fee/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound2.c[712,725] [2024-11-08 19:24:55,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:24:55,451 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:24:55,467 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_616980ae-e739-41c6-bc72-479423269fee/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound2.c[712,725] [2024-11-08 19:24:55,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:24:55,494 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:24:55,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:55 WrapperNode [2024-11-08 19:24:55,494 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:24:55,496 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:24:55,496 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:24:55,496 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:24:55,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:55" (1/1) ... [2024-11-08 19:24:55,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:55" (1/1) ... [2024-11-08 19:24:55,536 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 32 [2024-11-08 19:24:55,536 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:24:55,537 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:24:55,537 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:24:55,537 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:24:55,549 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:55" (1/1) ... [2024-11-08 19:24:55,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:55" (1/1) ... [2024-11-08 19:24:55,551 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:55" (1/1) ... [2024-11-08 19:24:55,551 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:55" (1/1) ... [2024-11-08 19:24:55,556 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:55" (1/1) ... [2024-11-08 19:24:55,560 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:55" (1/1) ... [2024-11-08 19:24:55,561 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:55" (1/1) ... [2024-11-08 19:24:55,562 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:55" (1/1) ... [2024-11-08 19:24:55,564 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:24:55,565 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:24:55,565 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:24:55,565 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:24:55,566 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:55" (1/1) ... [2024-11-08 19:24:55,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:24:55,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:24:55,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:24:55,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:24:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:24:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:24:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:24:55,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:24:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 19:24:55,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 19:24:55,719 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:24:55,722 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:24:55,856 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-08 19:24:55,857 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:24:55,912 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:24:55,912 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:24:55,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:24:55 BoogieIcfgContainer [2024-11-08 19:24:55,913 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:24:55,914 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:24:55,914 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:24:55,928 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:24:55,928 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:24:55" (1/1) ... [2024-11-08 19:24:55,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:24:55,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:24:56,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-11-08 19:24:56,003 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-11-08 19:24:56,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 19:24:56,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:24:56,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:24:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:24:56,148 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:24:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:24:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:24:56,268 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:24:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:24:56,308 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 19:24:56,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:24:56 ImpRootNode [2024-11-08 19:24:56,349 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:24:56,351 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:24:56,355 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:24:56,355 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:24:56,356 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:24:55" (3/4) ... [2024-11-08 19:24:56,360 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:24:56,362 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:24:56,363 INFO L158 Benchmark]: Toolchain (without parser) took 1225.50ms. Allocated memory is still 140.5MB. Free memory was 109.0MB in the beginning and 69.5MB in the end (delta: 39.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-08 19:24:56,364 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 140.5MB. Free memory was 88.0MB in the beginning and 87.9MB in the end (delta: 114.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:24:56,365 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.89ms. Allocated memory is still 140.5MB. Free memory was 109.0MB in the beginning and 96.3MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 19:24:56,366 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.73ms. Allocated memory is still 140.5MB. Free memory was 96.3MB in the beginning and 94.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:24:56,367 INFO L158 Benchmark]: Boogie Preprocessor took 27.04ms. Allocated memory is still 140.5MB. Free memory was 94.8MB in the beginning and 93.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:24:56,368 INFO L158 Benchmark]: RCFGBuilder took 348.28ms. Allocated memory is still 140.5MB. Free memory was 93.4MB in the beginning and 82.5MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 19:24:56,368 INFO L158 Benchmark]: CodeCheck took 435.48ms. Allocated memory is still 140.5MB. Free memory was 82.1MB in the beginning and 69.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 19:24:56,369 INFO L158 Benchmark]: Witness Printer took 10.64ms. Allocated memory is still 140.5MB. Free memory was 69.9MB in the beginning and 69.5MB in the end (delta: 448.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:24:56,374 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, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 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 someBinaryDOUBLEComparisonOperation at line 28, overapproximation of someBinaryArithmeticDOUBLEoperation at line 29. 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] [L32] COND TRUE 1 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 0.47ms. Allocated memory is still 140.5MB. Free memory was 88.0MB in the beginning and 87.9MB in the end (delta: 114.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.89ms. Allocated memory is still 140.5MB. Free memory was 109.0MB in the beginning and 96.3MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.73ms. Allocated memory is still 140.5MB. Free memory was 96.3MB in the beginning and 94.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.04ms. Allocated memory is still 140.5MB. Free memory was 94.8MB in the beginning and 93.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 348.28ms. Allocated memory is still 140.5MB. Free memory was 93.4MB in the beginning and 82.5MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 435.48ms. Allocated memory is still 140.5MB. Free memory was 82.1MB in the beginning and 69.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 10.64ms. Allocated memory is still 140.5MB. Free memory was 69.9MB in the beginning and 69.5MB in the end (delta: 448.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:24:56,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk --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 0.2.5-dev-a016563 [2024-11-08 19:24:59,383 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:24:59,504 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 19:24:59,577 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:24:59,578 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:24:59,579 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:24:59,580 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:24:59,580 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:24:59,582 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:24:59,583 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:24:59,584 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:24:59,585 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:24:59,585 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:24:59,586 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:24:59,588 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:24:59,589 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:24:59,590 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:24:59,590 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:24:59,591 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:24:59,591 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:24:59,591 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:24:59,597 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:24:59,598 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:24:59,598 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:24:59,598 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:24:59,599 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:24:59,599 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:24:59,600 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:24:59,600 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:24:59,600 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:24:59,601 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:24:59,601 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:24:59,602 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:24:59,602 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:24:59,602 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:24:59,603 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:24:59,603 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c82dcc3d917c20926ea634368e9542e23b7ae4e7817b33542bbba01403d748d [2024-11-08 19:25:00,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:25:00,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:25:00,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:25:00,131 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:25:00,132 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:25:00,134 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound2.c Unable to find full path for "g++" [2024-11-08 19:25:02,912 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:25:03,149 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:25:03,149 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound2.c [2024-11-08 19:25:03,177 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk/data/89518b408/94bdb200111744acb00876a21c0697bf/FLAG4f3a354ac [2024-11-08 19:25:03,198 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk/data/89518b408/94bdb200111744acb00876a21c0697bf [2024-11-08 19:25:03,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:25:03,203 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:25:03,205 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:25:03,205 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:25:03,212 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:25:03,213 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:25:03" (1/1) ... [2024-11-08 19:25:03,215 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d224fc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:03, skipping insertion in model container [2024-11-08 19:25:03,215 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:25:03" (1/1) ... [2024-11-08 19:25:03,240 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:25:03,538 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_616980ae-e739-41c6-bc72-479423269fee/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound2.c[712,725] [2024-11-08 19:25:03,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:25:03,588 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:25:03,608 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_616980ae-e739-41c6-bc72-479423269fee/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound2.c[712,725] [2024-11-08 19:25:03,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:25:03,645 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:25:03,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:03 WrapperNode [2024-11-08 19:25:03,647 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:25:03,648 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:25:03,648 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:25:03,649 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:25:03,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:03" (1/1) ... [2024-11-08 19:25:03,670 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:03" (1/1) ... [2024-11-08 19:25:03,695 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 33 [2024-11-08 19:25:03,697 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:25:03,698 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:25:03,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:25:03,699 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:25:03,711 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:03" (1/1) ... [2024-11-08 19:25:03,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:03" (1/1) ... [2024-11-08 19:25:03,716 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:03" (1/1) ... [2024-11-08 19:25:03,720 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:03" (1/1) ... [2024-11-08 19:25:03,732 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:03" (1/1) ... [2024-11-08 19:25:03,740 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:03" (1/1) ... [2024-11-08 19:25:03,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:03" (1/1) ... [2024-11-08 19:25:03,747 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:03" (1/1) ... [2024-11-08 19:25:03,754 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:25:03,759 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:25:03,759 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:25:03,760 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:25:03,761 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:03" (1/1) ... [2024-11-08 19:25:03,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:25:03,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:25:03,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:25:03,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:25:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:25:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 19:25:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:25:03,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:25:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 19:25:03,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 19:25:03,951 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:25:03,954 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:25:05,362 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-08 19:25:05,362 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:25:05,471 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:25:05,472 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:25:05,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:25:05 BoogieIcfgContainer [2024-11-08 19:25:05,472 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:25:05,473 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:25:05,473 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:25:05,486 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:25:05,486 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:25:05" (1/1) ... [2024-11-08 19:25:05,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:25:05,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:25:05,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-11-08 19:25:05,558 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-11-08 19:25:05,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 19:25:05,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:25:05,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:25:05,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:25:05,569 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:25:05,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 19:25:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:06,420 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:25:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:25:16,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 19:25:16,555 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) [2024-11-08 19:25:16,560 INFO L158 Benchmark]: Toolchain (without parser) took 13355.89ms. Allocated memory is still 79.7MB. Free memory was 59.2MB in the beginning and 41.5MB in the end (delta: 17.8MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2024-11-08 19:25:16,561 INFO L158 Benchmark]: CDTParser took 0.93ms. Allocated memory is still 58.7MB. Free memory is still 35.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:25:16,562 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.26ms. Allocated memory is still 79.7MB. Free memory was 59.0MB in the beginning and 45.8MB in the end (delta: 13.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 19:25:16,563 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.06ms. Allocated memory is still 79.7MB. Free memory was 45.8MB in the beginning and 44.3MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:25:16,564 INFO L158 Benchmark]: Boogie Preprocessor took 60.48ms. Allocated memory is still 79.7MB. Free memory was 44.3MB in the beginning and 42.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:25:16,565 INFO L158 Benchmark]: RCFGBuilder took 1713.31ms. Allocated memory is still 79.7MB. Free memory was 42.9MB in the beginning and 49.2MB in the end (delta: -6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 19:25:16,566 INFO L158 Benchmark]: CodeCheck took 11084.74ms. Allocated memory is still 79.7MB. Free memory was 48.9MB in the beginning and 41.5MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 19:25:16,571 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 0.93ms. Allocated memory is still 58.7MB. Free memory is still 35.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 442.26ms. Allocated memory is still 79.7MB. Free memory was 59.0MB in the beginning and 45.8MB in the end (delta: 13.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.06ms. Allocated memory is still 79.7MB. Free memory was 45.8MB in the beginning and 44.3MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.48ms. Allocated memory is still 79.7MB. Free memory was 44.3MB in the beginning and 42.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1713.31ms. Allocated memory is still 79.7MB. Free memory was 42.9MB in the beginning and 49.2MB in the end (delta: -6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * CodeCheck took 11084.74ms. Allocated memory is still 79.7MB. Free memory was 48.9MB in the beginning and 41.5MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 19:25:16,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616980ae-e739-41c6-bc72-479423269fee/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown