./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_8+soft_float_1-3a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_1609aa93-9b68-4ce5-aeaf-a95b5f850545/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1609aa93-9b68-4ce5-aeaf-a95b5f850545/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_1609aa93-9b68-4ce5-aeaf-a95b5f850545/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1609aa93-9b68-4ce5-aeaf-a95b5f850545/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_8+soft_float_1-3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1609aa93-9b68-4ce5-aeaf-a95b5f850545/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_1609aa93-9b68-4ce5-aeaf-a95b5f850545/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 13801fa2c96f7c93ace2086dcc65f456b83ac056f84901412492a5919d95dd03 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:57:49,211 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:57:49,284 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1609aa93-9b68-4ce5-aeaf-a95b5f850545/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:57:49,289 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:57:49,290 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:57:49,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:57:49,315 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:57:49,316 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:57:49,317 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:57:49,317 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:57:49,318 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:57:49,318 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:57:49,319 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:57:49,319 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:57:49,320 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:57:49,320 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:57:49,321 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:57:49,321 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:57:49,322 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:57:49,322 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:57:49,323 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:57:49,324 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:57:49,324 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:57:49,324 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:57:49,325 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:57:49,325 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:57:49,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:57:49,326 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:57:49,327 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:57:49,327 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:57:49,328 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:57:49,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:57:49,328 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:57:49,329 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_1609aa93-9b68-4ce5-aeaf-a95b5f850545/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1609aa93-9b68-4ce5-aeaf-a95b5f850545/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13801fa2c96f7c93ace2086dcc65f456b83ac056f84901412492a5919d95dd03 [2023-11-19 02:57:49,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:57:49,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:57:49,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:57:49,640 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:57:49,640 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:57:49,642 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1609aa93-9b68-4ce5-aeaf-a95b5f850545/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_8+soft_float_1-3a.c.cil.c [2023-11-19 02:57:52,858 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:57:53,103 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:57:53,104 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1609aa93-9b68-4ce5-aeaf-a95b5f850545/sv-benchmarks/c/combinations/square_8+soft_float_1-3a.c.cil.c [2023-11-19 02:57:53,121 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1609aa93-9b68-4ce5-aeaf-a95b5f850545/bin/ukojak-verify-G8NBE6pJGL/data/c9158c58e/ea06ef9ce55449d8b6cd24468000671a/FLAG0a25c1228 [2023-11-19 02:57:53,133 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1609aa93-9b68-4ce5-aeaf-a95b5f850545/bin/ukojak-verify-G8NBE6pJGL/data/c9158c58e/ea06ef9ce55449d8b6cd24468000671a [2023-11-19 02:57:53,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:57:53,136 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:57:53,138 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:57:53,138 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:57:53,143 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:57:53,144 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:57:53" (1/1) ... [2023-11-19 02:57:53,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c5bc9a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:53, skipping insertion in model container [2023-11-19 02:57:53,149 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:57:53" (1/1) ... [2023-11-19 02:57:53,210 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:57:53,382 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_1609aa93-9b68-4ce5-aeaf-a95b5f850545/sv-benchmarks/c/combinations/square_8+soft_float_1-3a.c.cil.c[1995,2008] [2023-11-19 02:57:53,387 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_1609aa93-9b68-4ce5-aeaf-a95b5f850545/sv-benchmarks/c/combinations/square_8+soft_float_1-3a.c.cil.c[2364,2377] [2023-11-19 02:57:53,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:57:53,460 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:57:53,478 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_1609aa93-9b68-4ce5-aeaf-a95b5f850545/sv-benchmarks/c/combinations/square_8+soft_float_1-3a.c.cil.c[1995,2008] [2023-11-19 02:57:53,480 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_1609aa93-9b68-4ce5-aeaf-a95b5f850545/sv-benchmarks/c/combinations/square_8+soft_float_1-3a.c.cil.c[2364,2377] [2023-11-19 02:57:53,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:57:53,536 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:57:53,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:53 WrapperNode [2023-11-19 02:57:53,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:57:53,539 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:57:53,539 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:57:53,539 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:57:53,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:53" (1/1) ... [2023-11-19 02:57:53,559 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:53" (1/1) ... [2023-11-19 02:57:53,592 INFO L138 Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 209 [2023-11-19 02:57:53,593 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:57:53,593 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:57:53,594 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:57:53,594 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:57:53,603 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:53" (1/1) ... [2023-11-19 02:57:53,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:53" (1/1) ... [2023-11-19 02:57:53,607 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:53" (1/1) ... [2023-11-19 02:57:53,608 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:53" (1/1) ... [2023-11-19 02:57:53,618 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:53" (1/1) ... [2023-11-19 02:57:53,625 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:53" (1/1) ... [2023-11-19 02:57:53,627 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:53" (1/1) ... [2023-11-19 02:57:53,629 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:53" (1/1) ... [2023-11-19 02:57:53,633 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:57:53,634 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:57:53,635 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:57:53,635 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:57:53,636 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:53" (1/1) ... [2023-11-19 02:57:53,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:57:53,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1609aa93-9b68-4ce5-aeaf-a95b5f850545/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:57:53,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1609aa93-9b68-4ce5-aeaf-a95b5f850545/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:57:53,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1609aa93-9b68-4ce5-aeaf-a95b5f850545/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:57:53,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:57:53,748 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 02:57:53,748 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 02:57:53,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:57:53,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:57:53,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:57:53,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:57:53,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:57:53,840 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:57:53,843 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:57:54,362 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:57:54,708 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:57:54,709 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:57:54,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:54 BoogieIcfgContainer [2023-11-19 02:57:54,715 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:57:54,716 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:57:54,716 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:57:54,728 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:57:54,728 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:54" (1/1) ... [2023-11-19 02:57:54,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:57:54,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:54,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 53 states and 78 transitions. [2023-11-19 02:57:54,823 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2023-11-19 02:57:54,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:57:54,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:54,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:54,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:57:54,934 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:57:54,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:57:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:57:55,004 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:57:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:57:55,019 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:57:55,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:57:55 ImpRootNode [2023-11-19 02:57:55,049 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:57:55,050 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:57:55,050 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:57:55,050 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:57:55,050 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:54" (3/4) ... [2023-11-19 02:57:55,053 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:57:55,054 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:57:55,055 INFO L158 Benchmark]: Toolchain (without parser) took 1917.97ms. Allocated memory is still 130.0MB. Free memory was 93.2MB in the beginning and 55.0MB in the end (delta: 38.2MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2023-11-19 02:57:55,055 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:57:55,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.95ms. Allocated memory is still 130.0MB. Free memory was 93.2MB in the beginning and 78.0MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 02:57:55,056 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.20ms. Allocated memory is still 130.0MB. Free memory was 78.0MB in the beginning and 75.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:57:55,057 INFO L158 Benchmark]: Boogie Preprocessor took 40.12ms. Allocated memory is still 130.0MB. Free memory was 75.5MB in the beginning and 73.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:57:55,058 INFO L158 Benchmark]: RCFGBuilder took 1080.53ms. Allocated memory is still 130.0MB. Free memory was 73.8MB in the beginning and 67.1MB in the end (delta: 6.7MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2023-11-19 02:57:55,058 INFO L158 Benchmark]: CodeCheck took 333.54ms. Allocated memory is still 130.0MB. Free memory was 67.1MB in the beginning and 55.6MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:57:55,059 INFO L158 Benchmark]: Witness Printer took 4.08ms. Allocated memory is still 130.0MB. Free memory was 55.6MB in the beginning and 55.0MB in the end (delta: 554.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:57:55,070 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 3 procedures, 53 locations, 2 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, 4 NumberOfCodeBlocks, 4 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: 48]: 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 someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L402] COND TRUE __VERIFIER_nondet_int() [L403] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L34] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [IN=2, x=2] [L47] COND TRUE !(result >= 0.0f && result < 1.5f) VAL [IN=2, x=2] [L48] reach_error() VAL [IN=2, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.95ms. Allocated memory is still 130.0MB. Free memory was 93.2MB in the beginning and 78.0MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.20ms. Allocated memory is still 130.0MB. Free memory was 78.0MB in the beginning and 75.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.12ms. Allocated memory is still 130.0MB. Free memory was 75.5MB in the beginning and 73.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1080.53ms. Allocated memory is still 130.0MB. Free memory was 73.8MB in the beginning and 67.1MB in the end (delta: 6.7MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * CodeCheck took 333.54ms. Allocated memory is still 130.0MB. Free memory was 67.1MB in the beginning and 55.6MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.08ms. Allocated memory is still 130.0MB. Free memory was 55.6MB in the beginning and 55.0MB in the end (delta: 554.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 02:57:55,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1609aa93-9b68-4ce5-aeaf-a95b5f850545/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1609aa93-9b68-4ce5-aeaf-a95b5f850545/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1609aa93-9b68-4ce5-aeaf-a95b5f850545/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_1609aa93-9b68-4ce5-aeaf-a95b5f850545/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1609aa93-9b68-4ce5-aeaf-a95b5f850545/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_8+soft_float_1-3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1609aa93-9b68-4ce5-aeaf-a95b5f850545/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_1609aa93-9b68-4ce5-aeaf-a95b5f850545/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 13801fa2c96f7c93ace2086dcc65f456b83ac056f84901412492a5919d95dd03 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:57:57,761 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:57:57,903 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1609aa93-9b68-4ce5-aeaf-a95b5f850545/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:57:57,955 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:57:57,956 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:57:57,957 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:57:57,958 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:57:57,958 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:57:57,959 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:57:57,964 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:57:57,964 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:57:57,965 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:57:57,965 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:57:57,967 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:57:57,967 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:57:57,968 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:57:57,968 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:57:57,968 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:57:57,969 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:57:57,970 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:57:57,970 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:57:57,971 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:57:57,971 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:57:57,971 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:57:57,972 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:57:57,972 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:57:57,972 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:57:57,973 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:57:57,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:57:57,974 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:57:57,975 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:57:57,975 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:57:57,976 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:57:57,976 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:57:57,976 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:57:57,976 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:57:57,977 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:57:57,977 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_1609aa93-9b68-4ce5-aeaf-a95b5f850545/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1609aa93-9b68-4ce5-aeaf-a95b5f850545/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13801fa2c96f7c93ace2086dcc65f456b83ac056f84901412492a5919d95dd03 [2023-11-19 02:57:58,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:57:58,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:57:58,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:57:58,405 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:57:58,406 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:57:58,408 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1609aa93-9b68-4ce5-aeaf-a95b5f850545/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_8+soft_float_1-3a.c.cil.c [2023-11-19 02:58:01,738 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:58:02,065 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:58:02,065 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1609aa93-9b68-4ce5-aeaf-a95b5f850545/sv-benchmarks/c/combinations/square_8+soft_float_1-3a.c.cil.c [2023-11-19 02:58:02,076 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1609aa93-9b68-4ce5-aeaf-a95b5f850545/bin/ukojak-verify-G8NBE6pJGL/data/80e258e1c/88a7cc02e19547929a891fe0b5a9b53e/FLAG31f92c399 [2023-11-19 02:58:02,092 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1609aa93-9b68-4ce5-aeaf-a95b5f850545/bin/ukojak-verify-G8NBE6pJGL/data/80e258e1c/88a7cc02e19547929a891fe0b5a9b53e [2023-11-19 02:58:02,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:58:02,103 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:58:02,107 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:02,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:58:02,112 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:58:02,113 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:02" (1/1) ... [2023-11-19 02:58:02,114 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c6bb687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:02, skipping insertion in model container [2023-11-19 02:58:02,114 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:02" (1/1) ... [2023-11-19 02:58:02,175 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:58:02,358 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_1609aa93-9b68-4ce5-aeaf-a95b5f850545/sv-benchmarks/c/combinations/square_8+soft_float_1-3a.c.cil.c[1995,2008] [2023-11-19 02:58:02,365 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_1609aa93-9b68-4ce5-aeaf-a95b5f850545/sv-benchmarks/c/combinations/square_8+soft_float_1-3a.c.cil.c[2364,2377] [2023-11-19 02:58:02,423 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:02,447 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:58:02,478 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_1609aa93-9b68-4ce5-aeaf-a95b5f850545/sv-benchmarks/c/combinations/square_8+soft_float_1-3a.c.cil.c[1995,2008] [2023-11-19 02:58:02,480 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_1609aa93-9b68-4ce5-aeaf-a95b5f850545/sv-benchmarks/c/combinations/square_8+soft_float_1-3a.c.cil.c[2364,2377] [2023-11-19 02:58:02,553 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:02,575 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:58:02,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:02 WrapperNode [2023-11-19 02:58:02,576 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:02,578 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:02,578 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:58:02,578 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:58:02,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:02" (1/1) ... [2023-11-19 02:58:02,613 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:02" (1/1) ... [2023-11-19 02:58:02,647 INFO L138 Inliner]: procedures = 28, calls = 21, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 169 [2023-11-19 02:58:02,647 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:02,648 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:58:02,650 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:58:02,650 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:58:02,659 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:02" (1/1) ... [2023-11-19 02:58:02,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:02" (1/1) ... [2023-11-19 02:58:02,665 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:02" (1/1) ... [2023-11-19 02:58:02,666 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:02" (1/1) ... [2023-11-19 02:58:02,684 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:02" (1/1) ... [2023-11-19 02:58:02,689 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:02" (1/1) ... [2023-11-19 02:58:02,706 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:02" (1/1) ... [2023-11-19 02:58:02,708 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:02" (1/1) ... [2023-11-19 02:58:02,718 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:58:02,719 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:58:02,719 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:58:02,720 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:58:02,720 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:02" (1/1) ... [2023-11-19 02:58:02,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:58:02,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1609aa93-9b68-4ce5-aeaf-a95b5f850545/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:58:02,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1609aa93-9b68-4ce5-aeaf-a95b5f850545/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:58:02,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1609aa93-9b68-4ce5-aeaf-a95b5f850545/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:58:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:58:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:58:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 02:58:02,794 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 02:58:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:58:02,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:58:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:58:02,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:58:02,877 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:58:02,879 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:58:13,559 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:58:13,711 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:58:13,712 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:58:13,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:13 BoogieIcfgContainer [2023-11-19 02:58:13,717 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:58:13,718 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:58:13,718 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:58:13,729 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:58:13,729 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:13" (1/1) ... [2023-11-19 02:58:13,739 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:58:13,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:13,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 53 states and 78 transitions. [2023-11-19 02:58:13,799 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2023-11-19 02:58:13,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:58:13,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:13,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:58:13,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1609aa93-9b68-4ce5-aeaf-a95b5f850545/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:58:13,808 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1609aa93-9b68-4ce5-aeaf-a95b5f850545/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:58:13,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1609aa93-9b68-4ce5-aeaf-a95b5f850545/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:58:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:18,091 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:58:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-19 02:58:28,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1609aa93-9b68-4ce5-aeaf-a95b5f850545/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 02:58:28,390 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:488) 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) [2023-11-19 02:58:28,395 INFO L158 Benchmark]: Toolchain (without parser) took 26290.34ms. Allocated memory was 75.5MB in the beginning and 104.9MB in the end (delta: 29.4MB). Free memory was 50.8MB in the beginning and 54.5MB in the end (delta: -3.7MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2023-11-19 02:58:28,395 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 75.5MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:58:28,396 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.79ms. Allocated memory is still 75.5MB. Free memory was 50.6MB in the beginning and 52.6MB in the end (delta: -2.0MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2023-11-19 02:58:28,399 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.16ms. Allocated memory is still 75.5MB. Free memory was 52.6MB in the beginning and 50.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:58:28,401 INFO L158 Benchmark]: Boogie Preprocessor took 70.23ms. Allocated memory is still 75.5MB. Free memory was 50.5MB in the beginning and 48.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:58:28,402 INFO L158 Benchmark]: RCFGBuilder took 10997.65ms. Allocated memory was 75.5MB in the beginning and 104.9MB in the end (delta: 29.4MB). Free memory was 48.4MB in the beginning and 62.6MB in the end (delta: -14.2MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2023-11-19 02:58:28,404 INFO L158 Benchmark]: CodeCheck took 14675.15ms. Allocated memory is still 104.9MB. Free memory was 62.1MB in the beginning and 54.5MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 02:58:28,412 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:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 75.5MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 469.79ms. Allocated memory is still 75.5MB. Free memory was 50.6MB in the beginning and 52.6MB in the end (delta: -2.0MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.16ms. Allocated memory is still 75.5MB. Free memory was 52.6MB in the beginning and 50.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.23ms. Allocated memory is still 75.5MB. Free memory was 50.5MB in the beginning and 48.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 10997.65ms. Allocated memory was 75.5MB in the beginning and 104.9MB in the end (delta: 29.4MB). Free memory was 48.4MB in the beginning and 62.6MB in the end (delta: -14.2MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * CodeCheck took 14675.15ms. Allocated memory is still 104.9MB. Free memory was 62.1MB in the beginning and 54.5MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:58:28,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1609aa93-9b68-4ce5-aeaf-a95b5f850545/bin/ukojak-verify-G8NBE6pJGL/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