./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_8+soft_float_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_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/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_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_8+soft_float_3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/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_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/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 98ed95c4a54f5ccebfa7d8542fee1c186675c886b13abb30be9edee4d8cb102c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:57:22,141 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:57:22,230 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:57:22,236 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:57:22,241 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:57:22,284 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:57:22,286 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:57:22,287 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:57:22,288 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:57:22,295 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:57:22,297 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:57:22,297 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:57:22,298 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:57:22,300 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:57:22,300 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:57:22,301 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:57:22,301 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:57:22,302 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:57:22,302 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:57:22,303 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:57:22,303 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:57:22,308 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:57:22,309 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:57:22,309 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:57:22,310 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:57:22,310 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:57:22,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:22,311 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:57:22,312 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:57:22,312 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:57:22,314 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:57:22,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:57:22,314 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:57:22,315 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_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98ed95c4a54f5ccebfa7d8542fee1c186675c886b13abb30be9edee4d8cb102c [2023-11-19 03:57:22,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:57:22,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:57:22,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:57:22,709 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:57:22,709 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:57:22,711 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_8+soft_float_3a.c.cil.c [2023-11-19 03:57:25,995 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:57:26,227 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:57:26,241 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/sv-benchmarks/c/combinations/square_8+soft_float_3a.c.cil.c [2023-11-19 03:57:26,255 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/bin/ukojak-verify-G8NBE6pJGL/data/1ee9d36ce/63d563927d2646329996ae1d952f9ae7/FLAG6b153777f [2023-11-19 03:57:26,274 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/bin/ukojak-verify-G8NBE6pJGL/data/1ee9d36ce/63d563927d2646329996ae1d952f9ae7 [2023-11-19 03:57:26,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:57:26,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:57:26,280 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:26,280 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:57:26,286 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:57:26,289 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:26" (1/1) ... [2023-11-19 03:57:26,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34ccd9d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:26, skipping insertion in model container [2023-11-19 03:57:26,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:26" (1/1) ... [2023-11-19 03:57:26,359 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:57:26,556 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_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/sv-benchmarks/c/combinations/square_8+soft_float_3a.c.cil.c[1995,2008] [2023-11-19 03:57:26,562 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_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/sv-benchmarks/c/combinations/square_8+soft_float_3a.c.cil.c[2364,2377] [2023-11-19 03:57:26,611 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:26,623 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:57:26,640 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_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/sv-benchmarks/c/combinations/square_8+soft_float_3a.c.cil.c[1995,2008] [2023-11-19 03:57:26,642 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_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/sv-benchmarks/c/combinations/square_8+soft_float_3a.c.cil.c[2364,2377] [2023-11-19 03:57:26,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:26,697 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:57:26,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:26 WrapperNode [2023-11-19 03:57:26,698 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:26,699 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:26,699 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:57:26,699 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:57:26,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:26" (1/1) ... [2023-11-19 03:57:26,716 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:26" (1/1) ... [2023-11-19 03:57:26,757 INFO L138 Inliner]: procedures = 27, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 169 [2023-11-19 03:57:26,757 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:26,758 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:57:26,758 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:57:26,758 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:57:26,769 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:26" (1/1) ... [2023-11-19 03:57:26,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:26" (1/1) ... [2023-11-19 03:57:26,771 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:26" (1/1) ... [2023-11-19 03:57:26,772 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:26" (1/1) ... [2023-11-19 03:57:26,779 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:26" (1/1) ... [2023-11-19 03:57:26,784 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:26" (1/1) ... [2023-11-19 03:57:26,787 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:26" (1/1) ... [2023-11-19 03:57:26,789 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:26" (1/1) ... [2023-11-19 03:57:26,792 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:57:26,794 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:57:26,794 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:57:26,794 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:57:26,795 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:26" (1/1) ... [2023-11-19 03:57:26,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:26,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:57:26,857 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:57:26,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:57:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:57:26,908 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 03:57:26,908 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 03:57:26,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:57:26,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:57:26,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:57:26,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:57:26,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:57:27,048 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:57:27,057 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:57:27,573 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:57:27,839 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:57:27,840 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:57:27,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:27 BoogieIcfgContainer [2023-11-19 03:57:27,846 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:57:27,847 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:57:27,848 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:57:27,862 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:57:27,862 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:27" (1/1) ... [2023-11-19 03:57:27,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:57:27,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:27,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-11-19 03:57:27,956 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-11-19 03:57:27,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:57:27,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:27,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:57:28,056 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:57:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:57:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:57:28,130 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:57:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:57:28,156 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:57:28,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:57:28 ImpRootNode [2023-11-19 03:57:28,186 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:57:28,188 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:57:28,189 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:57:28,189 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:57:28,190 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:27" (3/4) ... [2023-11-19 03:57:28,193 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:57:28,195 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:57:28,197 INFO L158 Benchmark]: Toolchain (without parser) took 1917.09ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 113.0MB in the beginning and 139.2MB in the end (delta: -26.3MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2023-11-19 03:57:28,197 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 155.2MB. Free memory is still 121.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:57:28,198 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.93ms. Allocated memory is still 155.2MB. Free memory was 112.5MB in the beginning and 98.5MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:57:28,199 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.64ms. Allocated memory is still 155.2MB. Free memory was 98.5MB in the beginning and 96.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:57:28,201 INFO L158 Benchmark]: Boogie Preprocessor took 34.83ms. Allocated memory is still 155.2MB. Free memory was 96.2MB in the beginning and 94.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:57:28,202 INFO L158 Benchmark]: RCFGBuilder took 1052.97ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 94.3MB in the beginning and 150.8MB in the end (delta: -56.4MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-19 03:57:28,203 INFO L158 Benchmark]: CodeCheck took 338.69ms. Allocated memory is still 186.6MB. Free memory was 150.8MB in the beginning and 139.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:57:28,204 INFO L158 Benchmark]: Witness Printer took 6.51ms. Allocated memory is still 186.6MB. Free memory was 139.2MB in the beginning and 139.2MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:57:28,210 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, 45 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: [L320] COND TRUE __VERIFIER_nondet_int() [L321] 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 0.38ms. Allocated memory is still 155.2MB. Free memory is still 121.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 417.93ms. Allocated memory is still 155.2MB. Free memory was 112.5MB in the beginning and 98.5MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.64ms. Allocated memory is still 155.2MB. Free memory was 98.5MB in the beginning and 96.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.83ms. Allocated memory is still 155.2MB. Free memory was 96.2MB in the beginning and 94.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1052.97ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 94.3MB in the beginning and 150.8MB in the end (delta: -56.4MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * CodeCheck took 338.69ms. Allocated memory is still 186.6MB. Free memory was 150.8MB in the beginning and 139.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 6.51ms. Allocated memory is still 186.6MB. Free memory was 139.2MB in the beginning and 139.2MB in the end (delta: 2.7kB). 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 03:57:28,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/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_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_8+soft_float_3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/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_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/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 98ed95c4a54f5ccebfa7d8542fee1c186675c886b13abb30be9edee4d8cb102c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:57:31,072 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:57:31,197 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:57:31,229 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:57:31,230 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:57:31,230 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:57:31,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:57:31,232 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:57:31,233 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:57:31,233 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:57:31,234 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:57:31,235 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:57:31,235 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:57:31,236 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:57:31,237 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:57:31,237 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:57:31,238 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:57:31,238 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:57:31,239 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:57:31,239 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:57:31,240 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:57:31,241 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:57:31,241 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:57:31,242 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:57:31,242 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:57:31,243 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:57:31,243 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:57:31,244 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:57:31,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:31,245 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:57:31,245 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:57:31,245 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:57:31,246 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:57:31,246 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:57:31,247 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:57:31,247 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:57:31,247 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:57:31,247 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_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98ed95c4a54f5ccebfa7d8542fee1c186675c886b13abb30be9edee4d8cb102c [2023-11-19 03:57:31,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:57:31,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:57:31,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:57:31,645 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:57:31,646 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:57:31,647 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_8+soft_float_3a.c.cil.c [2023-11-19 03:57:34,966 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:57:35,306 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:57:35,306 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/sv-benchmarks/c/combinations/square_8+soft_float_3a.c.cil.c [2023-11-19 03:57:35,330 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/bin/ukojak-verify-G8NBE6pJGL/data/9e1c02869/8d0cd3fe81c54d71bf690c46cdf8327a/FLAG532ad4836 [2023-11-19 03:57:35,346 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/bin/ukojak-verify-G8NBE6pJGL/data/9e1c02869/8d0cd3fe81c54d71bf690c46cdf8327a [2023-11-19 03:57:35,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:57:35,350 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:57:35,352 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:35,352 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:57:35,358 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:57:35,359 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:35" (1/1) ... [2023-11-19 03:57:35,360 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f4a391e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:35, skipping insertion in model container [2023-11-19 03:57:35,360 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:35" (1/1) ... [2023-11-19 03:57:35,412 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:57:35,634 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_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/sv-benchmarks/c/combinations/square_8+soft_float_3a.c.cil.c[1995,2008] [2023-11-19 03:57:35,642 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_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/sv-benchmarks/c/combinations/square_8+soft_float_3a.c.cil.c[2364,2377] [2023-11-19 03:57:35,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:35,733 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:57:35,763 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_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/sv-benchmarks/c/combinations/square_8+soft_float_3a.c.cil.c[1995,2008] [2023-11-19 03:57:35,766 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_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/sv-benchmarks/c/combinations/square_8+soft_float_3a.c.cil.c[2364,2377] [2023-11-19 03:57:35,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:35,826 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:57:35,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:35 WrapperNode [2023-11-19 03:57:35,826 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:35,828 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:35,828 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:57:35,828 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:57:35,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:35" (1/1) ... [2023-11-19 03:57:35,849 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:35" (1/1) ... [2023-11-19 03:57:35,874 INFO L138 Inliner]: procedures = 28, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 134 [2023-11-19 03:57:35,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:35,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:57:35,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:57:35,875 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:57:35,895 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:35" (1/1) ... [2023-11-19 03:57:35,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:35" (1/1) ... [2023-11-19 03:57:35,901 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:35" (1/1) ... [2023-11-19 03:57:35,904 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:35" (1/1) ... [2023-11-19 03:57:35,930 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:35" (1/1) ... [2023-11-19 03:57:35,944 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:35" (1/1) ... [2023-11-19 03:57:35,948 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:35" (1/1) ... [2023-11-19 03:57:35,954 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:35" (1/1) ... [2023-11-19 03:57:35,958 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:57:35,963 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:57:35,964 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:57:35,964 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:57:35,965 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:35" (1/1) ... [2023-11-19 03:57:35,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:35,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:57:36,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:57:36,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:57:36,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:57:36,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:57:36,046 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 03:57:36,047 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 03:57:36,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:57:36,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:57:36,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:57:36,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:57:36,172 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:57:36,177 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:57:46,758 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:57:46,828 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:57:46,828 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:57:46,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:46 BoogieIcfgContainer [2023-11-19 03:57:46,833 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:57:46,834 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:57:46,835 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:57:46,845 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:57:46,845 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:46" (1/1) ... [2023-11-19 03:57:46,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:57:46,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:46,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-11-19 03:57:46,912 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-11-19 03:57:46,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:57:46,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:46,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:57:46,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:57:46,920 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:57:46,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:57:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:52,160 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:58:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-19 03:58:02,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:58:02,525 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 03:58:02,529 INFO L158 Benchmark]: Toolchain (without parser) took 27178.28ms. Allocated memory is still 88.1MB. Free memory was 63.8MB in the beginning and 35.4MB in the end (delta: 28.4MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2023-11-19 03:58:02,530 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 62.9MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:58:02,531 INFO L158 Benchmark]: CACSL2BoogieTranslator took 474.75ms. Allocated memory is still 88.1MB. Free memory was 63.6MB in the beginning and 49.1MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:58:02,532 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.69ms. Allocated memory is still 88.1MB. Free memory was 48.9MB in the beginning and 47.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:58:02,533 INFO L158 Benchmark]: Boogie Preprocessor took 87.61ms. Allocated memory is still 88.1MB. Free memory was 47.0MB in the beginning and 66.2MB in the end (delta: -19.2MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2023-11-19 03:58:02,533 INFO L158 Benchmark]: RCFGBuilder took 10870.32ms. Allocated memory is still 88.1MB. Free memory was 66.2MB in the beginning and 43.6MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 03:58:02,534 INFO L158 Benchmark]: CodeCheck took 15693.58ms. Allocated memory is still 88.1MB. Free memory was 43.1MB in the beginning and 35.4MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 03:58:02,539 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 0.24ms. Allocated memory is still 62.9MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 474.75ms. Allocated memory is still 88.1MB. Free memory was 63.6MB in the beginning and 49.1MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.69ms. Allocated memory is still 88.1MB. Free memory was 48.9MB in the beginning and 47.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.61ms. Allocated memory is still 88.1MB. Free memory was 47.0MB in the beginning and 66.2MB in the end (delta: -19.2MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * RCFGBuilder took 10870.32ms. Allocated memory is still 88.1MB. Free memory was 66.2MB in the beginning and 43.6MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 15693.58ms. Allocated memory is still 88.1MB. Free memory was 43.1MB in the beginning and 35.4MB in the end (delta: 7.7MB). 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 03:58:02,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60ffd3a7-ff44-4c9a-b136-7db7e6b195c3/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