./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_8+soft_float_4-2a.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_aff026d0-6993-48cb-9488-572bb67e75f9/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff026d0-6993-48cb-9488-572bb67e75f9/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_aff026d0-6993-48cb-9488-572bb67e75f9/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff026d0-6993-48cb-9488-572bb67e75f9/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff026d0-6993-48cb-9488-572bb67e75f9/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_aff026d0-6993-48cb-9488-572bb67e75f9/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 2e745a133311e60f1a9e202bf4fcb9b524a944d790f4c1df2987f4b8dfd5e08b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:38:52,905 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:38:52,987 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff026d0-6993-48cb-9488-572bb67e75f9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:38:52,992 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:38:52,993 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:38:53,026 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:38:53,027 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:38:53,028 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:38:53,029 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:38:53,030 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:38:53,030 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:38:53,031 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:38:53,032 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:38:53,032 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:38:53,033 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:38:53,034 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:38:53,034 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:38:53,035 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:38:53,035 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:38:53,036 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:38:53,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:38:53,038 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:38:53,038 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:38:53,039 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:38:53,040 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:38:53,040 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:38:53,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:38:53,041 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:38:53,042 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:38:53,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:38:53,043 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:38:53,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:38:53,044 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:38:53,045 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_aff026d0-6993-48cb-9488-572bb67e75f9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff026d0-6993-48cb-9488-572bb67e75f9/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e745a133311e60f1a9e202bf4fcb9b524a944d790f4c1df2987f4b8dfd5e08b [2023-11-19 03:38:53,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:38:53,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:38:53,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:38:53,458 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:38:53,459 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:38:53,461 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff026d0-6993-48cb-9488-572bb67e75f9/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c [2023-11-19 03:38:57,071 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:38:57,307 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:38:57,307 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff026d0-6993-48cb-9488-572bb67e75f9/sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c [2023-11-19 03:38:57,319 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff026d0-6993-48cb-9488-572bb67e75f9/bin/ukojak-verify-G8NBE6pJGL/data/67e3dd324/8677ccf1acb2470d90c0250de9aa4bb7/FLAGd9630a9b4 [2023-11-19 03:38:57,335 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff026d0-6993-48cb-9488-572bb67e75f9/bin/ukojak-verify-G8NBE6pJGL/data/67e3dd324/8677ccf1acb2470d90c0250de9aa4bb7 [2023-11-19 03:38:57,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:38:57,340 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:38:57,341 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:38:57,342 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:38:57,346 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:38:57,346 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:38:57" (1/1) ... [2023-11-19 03:38:57,348 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46a1e5e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:57, skipping insertion in model container [2023-11-19 03:38:57,348 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:38:57" (1/1) ... [2023-11-19 03:38:57,390 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:38:57,596 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_aff026d0-6993-48cb-9488-572bb67e75f9/sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c[1995,2008] [2023-11-19 03:38:57,604 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_aff026d0-6993-48cb-9488-572bb67e75f9/sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c[2389,2402] [2023-11-19 03:38:57,680 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:38:57,692 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:38:57,715 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_aff026d0-6993-48cb-9488-572bb67e75f9/sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c[1995,2008] [2023-11-19 03:38:57,721 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_aff026d0-6993-48cb-9488-572bb67e75f9/sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c[2389,2402] [2023-11-19 03:38:57,784 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:38:57,807 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:38:57,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:57 WrapperNode [2023-11-19 03:38:57,808 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:38:57,810 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:38:57,810 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:38:57,811 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:38:57,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:57" (1/1) ... [2023-11-19 03:38:57,854 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:57" (1/1) ... [2023-11-19 03:38:57,894 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 79 [2023-11-19 03:38:57,895 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:38:57,896 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:38:57,896 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:38:57,896 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:38:57,907 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:57" (1/1) ... [2023-11-19 03:38:57,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:57" (1/1) ... [2023-11-19 03:38:57,922 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:57" (1/1) ... [2023-11-19 03:38:57,926 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:57" (1/1) ... [2023-11-19 03:38:57,944 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:57" (1/1) ... [2023-11-19 03:38:57,950 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:57" (1/1) ... [2023-11-19 03:38:57,966 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:57" (1/1) ... [2023-11-19 03:38:57,968 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:57" (1/1) ... [2023-11-19 03:38:57,972 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:38:57,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:38:57,973 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:38:57,973 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:38:57,974 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:57" (1/1) ... [2023-11-19 03:38:57,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:38:58,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff026d0-6993-48cb-9488-572bb67e75f9/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:38:58,024 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff026d0-6993-48cb-9488-572bb67e75f9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:38:58,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff026d0-6993-48cb-9488-572bb67e75f9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:38:58,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:38:58,088 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 03:38:58,089 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 03:38:58,089 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2023-11-19 03:38:58,090 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2023-11-19 03:38:58,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:38:58,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:38:58,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:38:58,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:38:58,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:38:58,208 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:38:58,211 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:38:58,688 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:38:59,040 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:38:59,041 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:38:59,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:38:59 BoogieIcfgContainer [2023-11-19 03:38:59,053 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:38:59,055 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:38:59,055 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:38:59,072 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:38:59,072 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:38:59" (1/1) ... [2023-11-19 03:38:59,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:38:59,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:59,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 49 states and 68 transitions. [2023-11-19 03:38:59,153 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2023-11-19 03:38:59,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:38:59,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:59,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:38:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:38:59,300 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:38:59,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:38:59,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:38:59,397 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:38:59,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:38:59,424 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:38:59,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:38:59 ImpRootNode [2023-11-19 03:38:59,452 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:38:59,454 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:38:59,455 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:38:59,456 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:38:59,456 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:38:59" (3/4) ... [2023-11-19 03:38:59,461 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:38:59,462 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:38:59,464 INFO L158 Benchmark]: Toolchain (without parser) took 2123.45ms. Allocated memory was 151.0MB in the beginning and 222.3MB in the end (delta: 71.3MB). Free memory was 104.5MB in the beginning and 163.6MB in the end (delta: -59.1MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2023-11-19 03:38:59,465 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 151.0MB. Free memory is still 95.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:38:59,466 INFO L158 Benchmark]: CACSL2BoogieTranslator took 467.58ms. Allocated memory is still 151.0MB. Free memory was 104.5MB in the beginning and 90.2MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:38:59,467 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.78ms. Allocated memory is still 151.0MB. Free memory was 90.2MB in the beginning and 88.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:38:59,468 INFO L158 Benchmark]: Boogie Preprocessor took 76.40ms. Allocated memory is still 151.0MB. Free memory was 88.5MB in the beginning and 86.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:38:59,470 INFO L158 Benchmark]: RCFGBuilder took 1080.47ms. Allocated memory was 151.0MB in the beginning and 222.3MB in the end (delta: 71.3MB). Free memory was 86.8MB in the beginning and 176.2MB in the end (delta: -89.3MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2023-11-19 03:38:59,471 INFO L158 Benchmark]: CodeCheck took 396.81ms. Allocated memory is still 222.3MB. Free memory was 176.2MB in the beginning and 164.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:38:59,472 INFO L158 Benchmark]: Witness Printer took 7.94ms. Allocated memory is still 222.3MB. Free memory was 164.6MB in the beginning and 163.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:38:59,488 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 4 procedures, 49 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: [L310] COND TRUE __VERIFIER_nondet_int() [L311] 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 0.39ms. Allocated memory is still 151.0MB. Free memory is still 95.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 467.58ms. Allocated memory is still 151.0MB. Free memory was 104.5MB in the beginning and 90.2MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.78ms. Allocated memory is still 151.0MB. Free memory was 90.2MB in the beginning and 88.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 76.40ms. Allocated memory is still 151.0MB. Free memory was 88.5MB in the beginning and 86.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1080.47ms. Allocated memory was 151.0MB in the beginning and 222.3MB in the end (delta: 71.3MB). Free memory was 86.8MB in the beginning and 176.2MB in the end (delta: -89.3MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * CodeCheck took 396.81ms. Allocated memory is still 222.3MB. Free memory was 176.2MB in the beginning and 164.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 7.94ms. Allocated memory is still 222.3MB. Free memory was 164.6MB in the beginning and 163.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:38:59,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff026d0-6993-48cb-9488-572bb67e75f9/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_aff026d0-6993-48cb-9488-572bb67e75f9/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff026d0-6993-48cb-9488-572bb67e75f9/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_aff026d0-6993-48cb-9488-572bb67e75f9/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff026d0-6993-48cb-9488-572bb67e75f9/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff026d0-6993-48cb-9488-572bb67e75f9/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_aff026d0-6993-48cb-9488-572bb67e75f9/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 2e745a133311e60f1a9e202bf4fcb9b524a944d790f4c1df2987f4b8dfd5e08b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:39:02,693 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:39:02,836 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff026d0-6993-48cb-9488-572bb67e75f9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:39:02,891 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:39:02,892 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:39:02,893 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:39:02,895 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:39:02,895 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:39:02,897 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:39:02,903 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:39:02,903 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:39:02,904 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:39:02,904 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:39:02,906 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:39:02,907 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:39:02,908 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:39:02,908 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:39:02,909 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:39:02,909 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:39:02,911 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:39:02,911 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:39:02,912 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:39:02,912 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:39:02,913 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:39:02,913 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:39:02,914 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:39:02,914 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:39:02,915 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:39:02,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:39:02,916 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:39:02,917 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:39:02,918 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:39:02,918 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:39:02,918 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:39:02,919 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:39:02,919 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:39:02,919 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:39:02,919 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_aff026d0-6993-48cb-9488-572bb67e75f9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff026d0-6993-48cb-9488-572bb67e75f9/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e745a133311e60f1a9e202bf4fcb9b524a944d790f4c1df2987f4b8dfd5e08b [2023-11-19 03:39:03,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:39:03,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:39:03,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:39:03,436 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:39:03,436 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:39:03,439 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff026d0-6993-48cb-9488-572bb67e75f9/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c [2023-11-19 03:39:07,054 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:39:07,464 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:39:07,469 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff026d0-6993-48cb-9488-572bb67e75f9/sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c [2023-11-19 03:39:07,487 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff026d0-6993-48cb-9488-572bb67e75f9/bin/ukojak-verify-G8NBE6pJGL/data/e1ed20bb2/788f2ec355334af486193d2117c522a8/FLAG9ebfd9285 [2023-11-19 03:39:07,507 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff026d0-6993-48cb-9488-572bb67e75f9/bin/ukojak-verify-G8NBE6pJGL/data/e1ed20bb2/788f2ec355334af486193d2117c522a8 [2023-11-19 03:39:07,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:39:07,514 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:39:07,519 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:39:07,519 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:39:07,525 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:39:07,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:39:07" (1/1) ... [2023-11-19 03:39:07,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35287f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:07, skipping insertion in model container [2023-11-19 03:39:07,527 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:39:07" (1/1) ... [2023-11-19 03:39:07,588 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:39:07,771 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_aff026d0-6993-48cb-9488-572bb67e75f9/sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c[1995,2008] [2023-11-19 03:39:07,779 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_aff026d0-6993-48cb-9488-572bb67e75f9/sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c[2389,2402] [2023-11-19 03:39:07,832 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:39:07,853 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:39:07,873 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_aff026d0-6993-48cb-9488-572bb67e75f9/sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c[1995,2008] [2023-11-19 03:39:07,875 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_aff026d0-6993-48cb-9488-572bb67e75f9/sv-benchmarks/c/combinations/square_8+soft_float_4-2a.c.cil.c[2389,2402] [2023-11-19 03:39:07,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:39:07,927 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:39:07,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:07 WrapperNode [2023-11-19 03:39:07,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:39:07,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:39:07,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:39:07,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:39:07,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:07" (1/1) ... [2023-11-19 03:39:07,955 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:07" (1/1) ... [2023-11-19 03:39:07,980 INFO L138 Inliner]: procedures = 28, calls = 19, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 75 [2023-11-19 03:39:07,980 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:39:07,981 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:39:07,981 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:39:07,982 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:39:07,993 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:07" (1/1) ... [2023-11-19 03:39:07,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:07" (1/1) ... [2023-11-19 03:39:08,003 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:07" (1/1) ... [2023-11-19 03:39:08,008 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:07" (1/1) ... [2023-11-19 03:39:08,026 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:07" (1/1) ... [2023-11-19 03:39:08,046 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:07" (1/1) ... [2023-11-19 03:39:08,062 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:07" (1/1) ... [2023-11-19 03:39:08,064 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:07" (1/1) ... [2023-11-19 03:39:08,070 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:39:08,085 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:39:08,086 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:39:08,086 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:39:08,087 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:07" (1/1) ... [2023-11-19 03:39:08,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:39:08,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff026d0-6993-48cb-9488-572bb67e75f9/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:39:08,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff026d0-6993-48cb-9488-572bb67e75f9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:39:08,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff026d0-6993-48cb-9488-572bb67e75f9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:39:08,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:39:08,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:39:08,189 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 03:39:08,190 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 03:39:08,190 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2023-11-19 03:39:08,190 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2023-11-19 03:39:08,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:39:08,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:39:08,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:39:08,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:39:08,362 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:39:08,365 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:39:19,084 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:39:19,165 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:39:19,165 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:39:19,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:39:19 BoogieIcfgContainer [2023-11-19 03:39:19,172 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:39:19,173 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:39:19,173 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:39:19,186 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:39:19,187 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:39:19" (1/1) ... [2023-11-19 03:39:19,199 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:39:19,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:19,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 49 states and 68 transitions. [2023-11-19 03:39:19,295 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2023-11-19 03:39:19,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:39:19,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:19,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:39:19,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff026d0-6993-48cb-9488-572bb67e75f9/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:39:19,302 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff026d0-6993-48cb-9488-572bb67e75f9/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:39:19,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff026d0-6993-48cb-9488-572bb67e75f9/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:39:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:26,720 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:39:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-19 03:39:37,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff026d0-6993-48cb-9488-572bb67e75f9/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:39:37,086 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 03:39:37,089 INFO L158 Benchmark]: Toolchain (without parser) took 29574.48ms. Allocated memory is still 86.0MB. Free memory was 62.1MB in the beginning and 40.3MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 03:39:37,090 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 86.0MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:39:37,090 INFO L158 Benchmark]: CACSL2BoogieTranslator took 409.58ms. Allocated memory is still 86.0MB. Free memory was 61.9MB in the beginning and 47.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:39:37,091 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.98ms. Allocated memory is still 86.0MB. Free memory was 47.2MB in the beginning and 45.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:39:37,092 INFO L158 Benchmark]: Boogie Preprocessor took 103.38ms. Allocated memory is still 86.0MB. Free memory was 45.4MB in the beginning and 43.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:39:37,092 INFO L158 Benchmark]: RCFGBuilder took 11086.80ms. Allocated memory is still 86.0MB. Free memory was 43.6MB in the beginning and 48.2MB in the end (delta: -4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:39:37,093 INFO L158 Benchmark]: CodeCheck took 17915.10ms. Allocated memory is still 86.0MB. Free memory was 48.2MB in the beginning and 40.3MB in the end (delta: 7.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:39:37,096 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 0.26ms. Allocated memory is still 86.0MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 409.58ms. Allocated memory is still 86.0MB. Free memory was 61.9MB in the beginning and 47.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.98ms. Allocated memory is still 86.0MB. Free memory was 47.2MB in the beginning and 45.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 103.38ms. Allocated memory is still 86.0MB. Free memory was 45.4MB in the beginning and 43.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 11086.80ms. Allocated memory is still 86.0MB. Free memory was 43.6MB in the beginning and 48.2MB in the end (delta: -4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * CodeCheck took 17915.10ms. Allocated memory is still 86.0MB. Free memory was 48.2MB in the beginning and 40.3MB in the end (delta: 7.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:39:37,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff026d0-6993-48cb-9488-572bb67e75f9/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