./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_4+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_14f292a9-2eae-44a4-9173-02e540693c4e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f292a9-2eae-44a4-9173-02e540693c4e/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_14f292a9-2eae-44a4-9173-02e540693c4e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f292a9-2eae-44a4-9173-02e540693c4e/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_4+soft_float_3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f292a9-2eae-44a4-9173-02e540693c4e/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_14f292a9-2eae-44a4-9173-02e540693c4e/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 52e7e3a0d80d0519558794c69b54bf5c07c5549c1d780651d891121aff50735c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:35:45,064 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:35:45,142 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f292a9-2eae-44a4-9173-02e540693c4e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:35:45,148 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:35:45,148 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:35:45,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:35:45,172 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:35:45,172 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:35:45,173 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:35:45,174 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:35:45,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:35:45,175 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:35:45,176 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:35:45,176 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:35:45,177 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:35:45,178 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:35:45,178 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:35:45,179 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:35:45,180 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:35:45,180 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:35:45,181 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:35:45,182 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:35:45,182 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:35:45,183 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:35:45,184 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:35:45,184 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:35:45,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:35:45,185 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:35:45,186 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:35:45,186 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:35:45,187 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:35:45,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:35:45,188 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:35:45,188 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_14f292a9-2eae-44a4-9173-02e540693c4e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f292a9-2eae-44a4-9173-02e540693c4e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52e7e3a0d80d0519558794c69b54bf5c07c5549c1d780651d891121aff50735c [2023-11-19 02:35:45,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:35:45,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:35:45,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:35:45,483 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:35:45,483 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:35:45,484 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f292a9-2eae-44a4-9173-02e540693c4e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_4+soft_float_3a.c.cil.c [2023-11-19 02:35:48,531 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:35:48,788 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:35:48,789 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f292a9-2eae-44a4-9173-02e540693c4e/sv-benchmarks/c/combinations/square_4+soft_float_3a.c.cil.c [2023-11-19 02:35:48,800 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f292a9-2eae-44a4-9173-02e540693c4e/bin/ukojak-verify-G8NBE6pJGL/data/782350545/862d3613b39f4effacaeb88ec5dd3afc/FLAGb9e882aa3 [2023-11-19 02:35:48,815 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f292a9-2eae-44a4-9173-02e540693c4e/bin/ukojak-verify-G8NBE6pJGL/data/782350545/862d3613b39f4effacaeb88ec5dd3afc [2023-11-19 02:35:48,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:35:48,819 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:35:48,821 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:35:48,821 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:35:48,826 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:35:48,827 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:35:48" (1/1) ... [2023-11-19 02:35:48,828 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5348f1ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:48, skipping insertion in model container [2023-11-19 02:35:48,829 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:35:48" (1/1) ... [2023-11-19 02:35:48,910 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:35:49,102 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_14f292a9-2eae-44a4-9173-02e540693c4e/sv-benchmarks/c/combinations/square_4+soft_float_3a.c.cil.c[1999,2012] [2023-11-19 02:35:49,108 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_14f292a9-2eae-44a4-9173-02e540693c4e/sv-benchmarks/c/combinations/square_4+soft_float_3a.c.cil.c[2368,2381] [2023-11-19 02:35:49,151 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:35:49,168 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:35:49,181 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_14f292a9-2eae-44a4-9173-02e540693c4e/sv-benchmarks/c/combinations/square_4+soft_float_3a.c.cil.c[1999,2012] [2023-11-19 02:35:49,182 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_14f292a9-2eae-44a4-9173-02e540693c4e/sv-benchmarks/c/combinations/square_4+soft_float_3a.c.cil.c[2368,2381] [2023-11-19 02:35:49,214 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:35:49,229 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:35:49,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:49 WrapperNode [2023-11-19 02:35:49,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:35:49,231 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:35:49,232 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:35:49,232 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:35:49,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:49" (1/1) ... [2023-11-19 02:35:49,250 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:49" (1/1) ... [2023-11-19 02:35:49,276 INFO L138 Inliner]: procedures = 27, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 169 [2023-11-19 02:35:49,276 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:35:49,277 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:35:49,277 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:35:49,277 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:35:49,287 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:49" (1/1) ... [2023-11-19 02:35:49,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:49" (1/1) ... [2023-11-19 02:35:49,291 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:49" (1/1) ... [2023-11-19 02:35:49,291 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:49" (1/1) ... [2023-11-19 02:35:49,298 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:49" (1/1) ... [2023-11-19 02:35:49,316 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:49" (1/1) ... [2023-11-19 02:35:49,318 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:49" (1/1) ... [2023-11-19 02:35:49,319 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:49" (1/1) ... [2023-11-19 02:35:49,323 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:35:49,324 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:35:49,324 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:35:49,324 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:35:49,331 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:49" (1/1) ... [2023-11-19 02:35:49,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:35:49,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f292a9-2eae-44a4-9173-02e540693c4e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:35:49,367 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f292a9-2eae-44a4-9173-02e540693c4e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:35:49,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f292a9-2eae-44a4-9173-02e540693c4e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:35:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:35:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 02:35:49,404 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 02:35:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:35:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:35:49,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:35:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:35:49,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:35:49,481 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:35:49,484 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:35:49,888 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:35:50,153 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:35:50,153 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:35:50,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:35:50 BoogieIcfgContainer [2023-11-19 02:35:50,159 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:35:50,161 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:35:50,161 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:35:50,173 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:35:50,174 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:35:50" (1/1) ... [2023-11-19 02:35:50,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:35:50,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:50,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-11-19 02:35:50,256 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-11-19 02:35:50,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:35:50,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:50,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:50,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:35:50,371 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:35:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:35:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:35:50,447 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:35:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:35:50,466 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:35:50,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:35:50 ImpRootNode [2023-11-19 02:35:50,494 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:35:50,496 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:35:50,496 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:35:50,497 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:35:50,498 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:35:50" (3/4) ... [2023-11-19 02:35:50,501 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:35:50,502 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:35:50,504 INFO L158 Benchmark]: Toolchain (without parser) took 1683.50ms. Allocated memory is still 188.7MB. Free memory was 152.1MB in the beginning and 89.1MB in the end (delta: 62.9MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-11-19 02:35:50,504 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 121.6MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:35:50,506 INFO L158 Benchmark]: CACSL2BoogieTranslator took 409.71ms. Allocated memory is still 188.7MB. Free memory was 152.1MB in the beginning and 147.4MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:35:50,507 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.12ms. Allocated memory is still 188.7MB. Free memory was 147.4MB in the beginning and 145.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:35:50,507 INFO L158 Benchmark]: Boogie Preprocessor took 45.99ms. Allocated memory is still 188.7MB. Free memory was 144.5MB in the beginning and 143.7MB in the end (delta: 835.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:35:50,508 INFO L158 Benchmark]: RCFGBuilder took 835.50ms. Allocated memory is still 188.7MB. Free memory was 143.2MB in the beginning and 100.4MB in the end (delta: 42.8MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-19 02:35:50,509 INFO L158 Benchmark]: CodeCheck took 333.35ms. Allocated memory is still 188.7MB. Free memory was 100.4MB in the beginning and 89.1MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:35:50,510 INFO L158 Benchmark]: Witness Printer took 6.36ms. Allocated memory is still 188.7MB. Free memory was 89.1MB in the beginning and 89.1MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:35:50,519 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 < 1.39844f) 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 0.25ms. Allocated memory is still 121.6MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 409.71ms. Allocated memory is still 188.7MB. Free memory was 152.1MB in the beginning and 147.4MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.12ms. Allocated memory is still 188.7MB. Free memory was 147.4MB in the beginning and 145.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.99ms. Allocated memory is still 188.7MB. Free memory was 144.5MB in the beginning and 143.7MB in the end (delta: 835.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 835.50ms. Allocated memory is still 188.7MB. Free memory was 143.2MB in the beginning and 100.4MB in the end (delta: 42.8MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * CodeCheck took 333.35ms. Allocated memory is still 188.7MB. Free memory was 100.4MB in the beginning and 89.1MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 6.36ms. Allocated memory is still 188.7MB. Free memory was 89.1MB in the beginning and 89.1MB 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 02:35:50,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f292a9-2eae-44a4-9173-02e540693c4e/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_14f292a9-2eae-44a4-9173-02e540693c4e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f292a9-2eae-44a4-9173-02e540693c4e/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_14f292a9-2eae-44a4-9173-02e540693c4e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f292a9-2eae-44a4-9173-02e540693c4e/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_4+soft_float_3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f292a9-2eae-44a4-9173-02e540693c4e/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_14f292a9-2eae-44a4-9173-02e540693c4e/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 52e7e3a0d80d0519558794c69b54bf5c07c5549c1d780651d891121aff50735c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:35:53,247 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:35:53,370 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f292a9-2eae-44a4-9173-02e540693c4e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:35:53,421 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:35:53,422 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:35:53,423 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:35:53,424 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:35:53,424 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:35:53,426 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:35:53,431 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:35:53,431 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:35:53,432 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:35:53,432 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:35:53,434 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:35:53,434 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:35:53,435 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:35:53,435 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:35:53,436 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:35:53,436 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:35:53,437 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:35:53,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:35:53,438 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:35:53,439 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:35:53,439 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:35:53,439 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:35:53,440 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:35:53,440 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:35:53,441 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:35:53,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:35:53,442 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:35:53,443 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:35:53,443 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:35:53,443 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:35:53,444 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:35:53,444 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:35:53,444 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:35:53,445 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:35:53,445 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_14f292a9-2eae-44a4-9173-02e540693c4e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f292a9-2eae-44a4-9173-02e540693c4e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52e7e3a0d80d0519558794c69b54bf5c07c5549c1d780651d891121aff50735c [2023-11-19 02:35:53,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:35:53,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:35:53,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:35:53,888 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:35:53,890 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:35:53,891 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f292a9-2eae-44a4-9173-02e540693c4e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_4+soft_float_3a.c.cil.c [2023-11-19 02:35:57,003 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:35:57,304 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:35:57,308 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f292a9-2eae-44a4-9173-02e540693c4e/sv-benchmarks/c/combinations/square_4+soft_float_3a.c.cil.c [2023-11-19 02:35:57,325 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f292a9-2eae-44a4-9173-02e540693c4e/bin/ukojak-verify-G8NBE6pJGL/data/8eceaf76f/34a0d3a9f42c407290d3dd11dd9afe4a/FLAG14a71875b [2023-11-19 02:35:57,344 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f292a9-2eae-44a4-9173-02e540693c4e/bin/ukojak-verify-G8NBE6pJGL/data/8eceaf76f/34a0d3a9f42c407290d3dd11dd9afe4a [2023-11-19 02:35:57,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:35:57,352 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:35:57,356 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:35:57,356 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:35:57,361 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:35:57,361 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:35:57" (1/1) ... [2023-11-19 02:35:57,362 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f12708c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:57, skipping insertion in model container [2023-11-19 02:35:57,363 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:35:57" (1/1) ... [2023-11-19 02:35:57,404 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:35:57,618 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_14f292a9-2eae-44a4-9173-02e540693c4e/sv-benchmarks/c/combinations/square_4+soft_float_3a.c.cil.c[1999,2012] [2023-11-19 02:35:57,629 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_14f292a9-2eae-44a4-9173-02e540693c4e/sv-benchmarks/c/combinations/square_4+soft_float_3a.c.cil.c[2368,2381] [2023-11-19 02:35:57,718 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:35:57,731 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:35:57,767 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_14f292a9-2eae-44a4-9173-02e540693c4e/sv-benchmarks/c/combinations/square_4+soft_float_3a.c.cil.c[1999,2012] [2023-11-19 02:35:57,771 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_14f292a9-2eae-44a4-9173-02e540693c4e/sv-benchmarks/c/combinations/square_4+soft_float_3a.c.cil.c[2368,2381] [2023-11-19 02:35:57,809 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:35:57,866 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:35:57,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:57 WrapperNode [2023-11-19 02:35:57,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:35:57,868 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:35:57,871 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:35:57,872 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:35:57,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:57" (1/1) ... [2023-11-19 02:35:57,926 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:57" (1/1) ... [2023-11-19 02:35:57,965 INFO L138 Inliner]: procedures = 28, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 134 [2023-11-19 02:35:57,965 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:35:57,967 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:35:57,967 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:35:57,967 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:35:57,977 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:57" (1/1) ... [2023-11-19 02:35:57,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:57" (1/1) ... [2023-11-19 02:35:58,002 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:57" (1/1) ... [2023-11-19 02:35:58,002 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:57" (1/1) ... [2023-11-19 02:35:58,012 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:57" (1/1) ... [2023-11-19 02:35:58,028 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:57" (1/1) ... [2023-11-19 02:35:58,030 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:57" (1/1) ... [2023-11-19 02:35:58,033 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:57" (1/1) ... [2023-11-19 02:35:58,037 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:35:58,038 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:35:58,038 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:35:58,038 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:35:58,039 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:57" (1/1) ... [2023-11-19 02:35:58,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:35:58,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f292a9-2eae-44a4-9173-02e540693c4e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:35:58,077 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f292a9-2eae-44a4-9173-02e540693c4e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:35:58,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f292a9-2eae-44a4-9173-02e540693c4e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:35:58,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:35:58,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:35:58,134 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 02:35:58,135 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 02:35:58,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:35:58,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:35:58,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:35:58,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:35:58,279 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:35:58,282 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:36:08,918 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:36:09,046 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:36:09,047 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:36:09,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:36:09 BoogieIcfgContainer [2023-11-19 02:36:09,056 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:36:09,057 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:36:09,057 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:36:09,068 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:36:09,068 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:36:09" (1/1) ... [2023-11-19 02:36:09,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:36:09,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:09,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-11-19 02:36:09,153 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-11-19 02:36:09,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:36:09,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:09,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:36:09,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f292a9-2eae-44a4-9173-02e540693c4e/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:36:09,158 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f292a9-2eae-44a4-9173-02e540693c4e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:36:09,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14f292a9-2eae-44a4-9173-02e540693c4e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process