./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/bin/ukojak-verify-G8NBE6pJGL --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 d2d6f9be66d27a1c9d3b3eaba0ccd86a9e6d263d5b40883199c2e280efc7ebbe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:46:10,251 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:46:10,327 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:46:10,333 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:46:10,334 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:46:10,361 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:46:10,362 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:46:10,363 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:46:10,364 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:46:10,365 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:46:10,366 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:46:10,366 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:46:10,367 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:46:10,367 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:46:10,368 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:46:10,369 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:46:10,369 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:46:10,370 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:46:10,370 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:46:10,371 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:46:10,372 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:46:10,373 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:46:10,373 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:46:10,374 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:46:10,374 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:46:10,375 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:46:10,376 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:46:10,376 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:46:10,377 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:46:10,377 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:46:10,378 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:46:10,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:46:10,379 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:46:10,379 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_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2d6f9be66d27a1c9d3b3eaba0ccd86a9e6d263d5b40883199c2e280efc7ebbe [2023-11-19 02:46:10,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:46:10,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:46:10,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:46:10,720 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:46:10,720 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:46:10,722 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound2.c [2023-11-19 02:46:14,136 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:46:14,412 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:46:14,414 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound2.c [2023-11-19 02:46:14,426 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/bin/ukojak-verify-G8NBE6pJGL/data/6b5eaafef/d9c43c2d5c504053954fb54945b3d505/FLAG2252b9199 [2023-11-19 02:46:14,448 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/bin/ukojak-verify-G8NBE6pJGL/data/6b5eaafef/d9c43c2d5c504053954fb54945b3d505 [2023-11-19 02:46:14,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:46:14,461 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:46:14,465 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:46:14,465 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:46:14,471 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:46:14,474 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:14" (1/1) ... [2023-11-19 02:46:14,477 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12bf740c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:14, skipping insertion in model container [2023-11-19 02:46:14,477 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:14" (1/1) ... [2023-11-19 02:46:14,510 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:46:14,723 WARN L240 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_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound2.c[709,722] [2023-11-19 02:46:14,759 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:46:14,777 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:46:14,795 WARN L240 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_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound2.c[709,722] [2023-11-19 02:46:14,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:46:14,826 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:46:14,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:14 WrapperNode [2023-11-19 02:46:14,827 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:46:14,829 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:46:14,829 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:46:14,829 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:46:14,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:14" (1/1) ... [2023-11-19 02:46:14,846 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:14" (1/1) ... [2023-11-19 02:46:14,867 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40 [2023-11-19 02:46:14,868 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:46:14,868 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:46:14,869 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:46:14,869 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:46:14,878 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:14" (1/1) ... [2023-11-19 02:46:14,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:14" (1/1) ... [2023-11-19 02:46:14,881 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:14" (1/1) ... [2023-11-19 02:46:14,881 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:14" (1/1) ... [2023-11-19 02:46:14,887 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:14" (1/1) ... [2023-11-19 02:46:14,890 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:14" (1/1) ... [2023-11-19 02:46:14,893 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:14" (1/1) ... [2023-11-19 02:46:14,894 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:14" (1/1) ... [2023-11-19 02:46:14,897 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:46:14,898 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:46:14,898 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:46:14,898 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:46:14,908 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:14" (1/1) ... [2023-11-19 02:46:14,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:46:14,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:46:14,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:46:14,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:46:14,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:46:14,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:46:14,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:46:14,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:46:14,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:46:14,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:46:15,051 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:46:15,054 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:46:15,214 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:46:15,260 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:46:15,261 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:46:15,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:15 BoogieIcfgContainer [2023-11-19 02:46:15,266 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:46:15,267 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:46:15,268 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:46:15,279 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:46:15,280 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:15" (1/1) ... [2023-11-19 02:46:15,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:46:15,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:15,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2023-11-19 02:46:15,363 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2023-11-19 02:46:15,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:46:15,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:15,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:46:15,524 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:46:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:46:15,581 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:46:15,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:46:15 ImpRootNode [2023-11-19 02:46:15,623 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:46:15,624 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:46:15,624 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:46:15,625 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:46:15,625 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:15" (3/4) ... [2023-11-19 02:46:15,628 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:46:15,632 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:46:15,635 INFO L158 Benchmark]: Toolchain (without parser) took 1173.04ms. Allocated memory is still 190.8MB. Free memory was 144.7MB in the beginning and 106.9MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-19 02:46:15,636 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 134.2MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:46:15,637 INFO L158 Benchmark]: CACSL2BoogieTranslator took 362.77ms. Allocated memory is still 190.8MB. Free memory was 144.7MB in the beginning and 133.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:46:15,638 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.17ms. Allocated memory is still 190.8MB. Free memory was 133.2MB in the beginning and 132.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:46:15,640 INFO L158 Benchmark]: Boogie Preprocessor took 28.49ms. Allocated memory is still 190.8MB. Free memory was 132.1MB in the beginning and 130.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:46:15,641 INFO L158 Benchmark]: RCFGBuilder took 368.60ms. Allocated memory is still 190.8MB. Free memory was 130.3MB in the beginning and 117.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:46:15,642 INFO L158 Benchmark]: CodeCheck took 356.10ms. Allocated memory is still 190.8MB. Free memory was 117.8MB in the beginning and 107.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:46:15,643 INFO L158 Benchmark]: Witness Printer took 8.77ms. Allocated memory is still 190.8MB. Free memory was 107.3MB in the beginning and 106.9MB in the end (delta: 365.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:46:15,657 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, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 34, overapproximation of someBinaryDOUBLEComparisonOperation at line 28. Possible FailurePath: [L25] int r; [L26] double a, x, s; [L27] a = __VERIFIER_nondet_double() [L28] CALL assume_abort_if_not(a>=0 && a<=2) [L14] COND FALSE !(!cond) [L28] RET assume_abort_if_not(a>=0 && a<=2) [L29] x = a [L30] s = 3.25 [L31] r = 1 VAL [a=2, r=1, s=13/4, x=2] [L33] COND TRUE 1 VAL [a=2, r=1, s=13/4, x=2] [L34] CALL __VERIFIER_assert((int)(4*s) - 12*r*r == 1) VAL [\old(cond)=0] [L17] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L19] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 134.2MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 362.77ms. Allocated memory is still 190.8MB. Free memory was 144.7MB in the beginning and 133.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.17ms. Allocated memory is still 190.8MB. Free memory was 133.2MB in the beginning and 132.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.49ms. Allocated memory is still 190.8MB. Free memory was 132.1MB in the beginning and 130.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 368.60ms. Allocated memory is still 190.8MB. Free memory was 130.3MB in the beginning and 117.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 356.10ms. Allocated memory is still 190.8MB. Free memory was 117.8MB in the beginning and 107.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 8.77ms. Allocated memory is still 190.8MB. Free memory was 107.3MB in the beginning and 106.9MB in the end (delta: 365.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 02:46:15,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/bin/ukojak-verify-G8NBE6pJGL/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/bin/ukojak-verify-G8NBE6pJGL --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 d2d6f9be66d27a1c9d3b3eaba0ccd86a9e6d263d5b40883199c2e280efc7ebbe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:46:18,315 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:46:18,411 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:46:18,449 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:46:18,450 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:46:18,450 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:46:18,451 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:46:18,452 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:46:18,453 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:46:18,453 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:46:18,454 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:46:18,455 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:46:18,455 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:46:18,456 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:46:18,456 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:46:18,457 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:46:18,457 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:46:18,458 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:46:18,459 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:46:18,459 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:46:18,460 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:46:18,460 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:46:18,461 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:46:18,461 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:46:18,462 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:46:18,462 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:46:18,463 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:46:18,463 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:46:18,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:46:18,464 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:46:18,465 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:46:18,465 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:46:18,466 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:46:18,466 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:46:18,466 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:46:18,467 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:46:18,467 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:46:18,467 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2d6f9be66d27a1c9d3b3eaba0ccd86a9e6d263d5b40883199c2e280efc7ebbe [2023-11-19 02:46:18,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:46:18,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:46:18,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:46:18,862 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:46:18,863 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:46:18,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound2.c [2023-11-19 02:46:22,135 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:46:22,453 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:46:22,454 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound2.c [2023-11-19 02:46:22,466 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/bin/ukojak-verify-G8NBE6pJGL/data/071bdf80f/2a31e728d0774befb2d64efd9686724f/FLAGf65f7772d [2023-11-19 02:46:22,486 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/bin/ukojak-verify-G8NBE6pJGL/data/071bdf80f/2a31e728d0774befb2d64efd9686724f [2023-11-19 02:46:22,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:46:22,499 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:46:22,501 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:46:22,501 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:46:22,507 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:46:22,508 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:22" (1/1) ... [2023-11-19 02:46:22,509 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8029684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:22, skipping insertion in model container [2023-11-19 02:46:22,509 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:22" (1/1) ... [2023-11-19 02:46:22,543 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:46:22,740 WARN L240 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_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound2.c[709,722] [2023-11-19 02:46:22,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:46:22,815 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:46:22,834 WARN L240 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_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound2.c[709,722] [2023-11-19 02:46:22,867 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:46:22,893 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:46:22,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:22 WrapperNode [2023-11-19 02:46:22,894 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:46:22,895 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:46:22,895 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:46:22,896 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:46:22,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:22" (1/1) ... [2023-11-19 02:46:22,916 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:22" (1/1) ... [2023-11-19 02:46:22,939 INFO L138 Inliner]: procedures = 15, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2023-11-19 02:46:22,940 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:46:22,940 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:46:22,941 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:46:22,941 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:46:22,951 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:22" (1/1) ... [2023-11-19 02:46:22,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:22" (1/1) ... [2023-11-19 02:46:22,956 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:22" (1/1) ... [2023-11-19 02:46:22,956 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:22" (1/1) ... [2023-11-19 02:46:22,966 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:22" (1/1) ... [2023-11-19 02:46:22,970 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:22" (1/1) ... [2023-11-19 02:46:22,972 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:22" (1/1) ... [2023-11-19 02:46:22,974 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:22" (1/1) ... [2023-11-19 02:46:22,977 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:46:22,979 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:46:22,979 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:46:22,979 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:46:22,980 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:22" (1/1) ... [2023-11-19 02:46:22,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:46:23,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:46:23,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:46:23,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:46:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:46:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:46:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:46:23,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:46:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:46:23,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:46:23,131 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:46:23,133 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:46:26,072 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:46:26,132 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:46:26,132 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:46:26,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:26 BoogieIcfgContainer [2023-11-19 02:46:26,136 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:46:26,137 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:46:26,138 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:46:26,149 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:46:26,149 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:26" (1/1) ... [2023-11-19 02:46:26,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:46:26,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:26,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2023-11-19 02:46:26,219 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2023-11-19 02:46:26,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:46:26,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:26,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:46:26,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:46:26,225 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:46:26,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:46:26,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:26,426 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:46:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:26,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:46:26,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:27,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:27,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcf1e6d-37a4-4f2a-814f-4e90a0675697/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 02:46:29,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:46:32,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.82s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:46:38,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:46:48,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:46:58,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:47:02,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.52s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:47:13,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []