./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_5+soft_float_4-3a.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_242035a5-d405-4b47-8887-8db0102268c5/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242035a5-d405-4b47-8887-8db0102268c5/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_242035a5-d405-4b47-8887-8db0102268c5/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242035a5-d405-4b47-8887-8db0102268c5/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_5+soft_float_4-3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242035a5-d405-4b47-8887-8db0102268c5/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_242035a5-d405-4b47-8887-8db0102268c5/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 b6a662b89b8e960556d1d617930ac0e98fa0737a1c5851457e8cd9283d13df1d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:07:05,727 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:07:05,831 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242035a5-d405-4b47-8887-8db0102268c5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:07:05,840 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:07:05,840 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:07:05,884 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:07:05,888 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:07:05,889 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:07:05,890 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:07:05,897 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:07:05,898 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:07:05,898 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:07:05,899 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:07:05,901 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:07:05,901 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:07:05,902 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:07:05,902 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:07:05,903 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:07:05,903 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:07:05,904 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:07:05,904 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:07:05,905 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:07:05,905 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:07:05,906 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:07:05,906 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:07:05,907 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:07:05,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:05,908 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:07:05,908 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:07:05,909 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:07:05,910 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:07:05,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:07:05,911 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:07:05,911 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_242035a5-d405-4b47-8887-8db0102268c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242035a5-d405-4b47-8887-8db0102268c5/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6a662b89b8e960556d1d617930ac0e98fa0737a1c5851457e8cd9283d13df1d [2023-11-19 04:07:06,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:07:06,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:07:06,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:07:06,273 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:07:06,274 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:07:06,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242035a5-d405-4b47-8887-8db0102268c5/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_5+soft_float_4-3a.c.cil.c [2023-11-19 04:07:09,487 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:07:09,767 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:07:09,767 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242035a5-d405-4b47-8887-8db0102268c5/sv-benchmarks/c/combinations/square_5+soft_float_4-3a.c.cil.c [2023-11-19 04:07:09,777 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242035a5-d405-4b47-8887-8db0102268c5/bin/ukojak-verify-G8NBE6pJGL/data/d8bf46f5a/42c29650919c44f5a123998445db6404/FLAGbbedc1300 [2023-11-19 04:07:09,791 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242035a5-d405-4b47-8887-8db0102268c5/bin/ukojak-verify-G8NBE6pJGL/data/d8bf46f5a/42c29650919c44f5a123998445db6404 [2023-11-19 04:07:09,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:07:09,796 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:07:09,797 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:09,798 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:07:09,803 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:07:09,804 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:09" (1/1) ... [2023-11-19 04:07:09,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dbe7d74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:09, skipping insertion in model container [2023-11-19 04:07:09,805 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:09" (1/1) ... [2023-11-19 04:07:09,840 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:07:10,015 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_242035a5-d405-4b47-8887-8db0102268c5/sv-benchmarks/c/combinations/square_5+soft_float_4-3a.c.cil.c[1998,2011] [2023-11-19 04:07:10,023 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_242035a5-d405-4b47-8887-8db0102268c5/sv-benchmarks/c/combinations/square_5+soft_float_4-3a.c.cil.c[2367,2380] [2023-11-19 04:07:10,073 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:10,084 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:07:10,101 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_242035a5-d405-4b47-8887-8db0102268c5/sv-benchmarks/c/combinations/square_5+soft_float_4-3a.c.cil.c[1998,2011] [2023-11-19 04:07:10,102 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_242035a5-d405-4b47-8887-8db0102268c5/sv-benchmarks/c/combinations/square_5+soft_float_4-3a.c.cil.c[2367,2380] [2023-11-19 04:07:10,149 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:10,164 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:07:10,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:10 WrapperNode [2023-11-19 04:07:10,164 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:10,165 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:10,166 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:07:10,166 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:07:10,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:10" (1/1) ... [2023-11-19 04:07:10,184 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:10" (1/1) ... [2023-11-19 04:07:10,207 INFO L138 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 79 [2023-11-19 04:07:10,208 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:10,208 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:07:10,209 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:07:10,209 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:07:10,219 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:10" (1/1) ... [2023-11-19 04:07:10,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:10" (1/1) ... [2023-11-19 04:07:10,223 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:10" (1/1) ... [2023-11-19 04:07:10,224 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:10" (1/1) ... [2023-11-19 04:07:10,233 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:10" (1/1) ... [2023-11-19 04:07:10,239 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:10" (1/1) ... [2023-11-19 04:07:10,241 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:10" (1/1) ... [2023-11-19 04:07:10,243 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:10" (1/1) ... [2023-11-19 04:07:10,247 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:07:10,253 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:07:10,253 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:07:10,254 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:07:10,254 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:10" (1/1) ... [2023-11-19 04:07:10,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:10,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242035a5-d405-4b47-8887-8db0102268c5/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:07:10,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242035a5-d405-4b47-8887-8db0102268c5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:07:10,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242035a5-d405-4b47-8887-8db0102268c5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:07:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:07:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 04:07:10,359 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 04:07:10,360 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2023-11-19 04:07:10,360 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2023-11-19 04:07:10,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:07:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:07:10,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:07:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:07:10,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:07:10,457 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:07:10,460 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:07:10,873 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:07:11,119 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:07:11,119 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:07:11,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:11 BoogieIcfgContainer [2023-11-19 04:07:11,132 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:07:11,133 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:07:11,135 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:07:11,146 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:07:11,146 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:11" (1/1) ... [2023-11-19 04:07:11,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:07:11,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:11,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 51 states and 71 transitions. [2023-11-19 04:07:11,217 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 71 transitions. [2023-11-19 04:07:11,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:07:11,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:11,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:11,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:07:11,317 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:07:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:07:11,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:07:11,362 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:07:11,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:07:11,374 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 04:07:11,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:07:11 ImpRootNode [2023-11-19 04:07:11,397 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:07:11,398 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:07:11,398 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:07:11,398 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:07:11,399 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:11" (3/4) ... [2023-11-19 04:07:11,401 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:07:11,402 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:07:11,403 INFO L158 Benchmark]: Toolchain (without parser) took 1607.38ms. Allocated memory is still 172.0MB. Free memory was 139.2MB in the beginning and 128.4MB in the end (delta: 10.8MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2023-11-19 04:07:11,404 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:07:11,405 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.59ms. Allocated memory is still 172.0MB. Free memory was 139.2MB in the beginning and 124.7MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:07:11,405 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.44ms. Allocated memory is still 172.0MB. Free memory was 124.7MB in the beginning and 123.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:07:11,406 INFO L158 Benchmark]: Boogie Preprocessor took 38.77ms. Allocated memory is still 172.0MB. Free memory was 123.1MB in the beginning and 121.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:07:11,407 INFO L158 Benchmark]: RCFGBuilder took 879.72ms. Allocated memory is still 172.0MB. Free memory was 121.4MB in the beginning and 140.0MB in the end (delta: -18.6MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2023-11-19 04:07:11,408 INFO L158 Benchmark]: CodeCheck took 263.56ms. Allocated memory is still 172.0MB. Free memory was 140.0MB in the beginning and 129.2MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:07:11,408 INFO L158 Benchmark]: Witness Printer took 4.76ms. Allocated memory is still 172.0MB. Free memory was 128.4MB in the beginning and 128.4MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:07:11,412 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 4 procedures, 51 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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: [L309] COND TRUE __VERIFIER_nondet_int() [L310] 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 < 1.3985f) VAL [IN=2, x=2] [L48] reach_error() VAL [IN=2, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.59ms. Allocated memory is still 172.0MB. Free memory was 139.2MB in the beginning and 124.7MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.44ms. Allocated memory is still 172.0MB. Free memory was 124.7MB in the beginning and 123.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.77ms. Allocated memory is still 172.0MB. Free memory was 123.1MB in the beginning and 121.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 879.72ms. Allocated memory is still 172.0MB. Free memory was 121.4MB in the beginning and 140.0MB in the end (delta: -18.6MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * CodeCheck took 263.56ms. Allocated memory is still 172.0MB. Free memory was 140.0MB in the beginning and 129.2MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 4.76ms. Allocated memory is still 172.0MB. Free memory was 128.4MB in the beginning and 128.4MB 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 04:07:11,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242035a5-d405-4b47-8887-8db0102268c5/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_242035a5-d405-4b47-8887-8db0102268c5/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242035a5-d405-4b47-8887-8db0102268c5/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_242035a5-d405-4b47-8887-8db0102268c5/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242035a5-d405-4b47-8887-8db0102268c5/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_5+soft_float_4-3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242035a5-d405-4b47-8887-8db0102268c5/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_242035a5-d405-4b47-8887-8db0102268c5/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 b6a662b89b8e960556d1d617930ac0e98fa0737a1c5851457e8cd9283d13df1d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:07:14,037 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:07:14,176 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242035a5-d405-4b47-8887-8db0102268c5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 04:07:14,224 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:07:14,225 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:07:14,226 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:07:14,227 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:07:14,228 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:07:14,230 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:07:14,235 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:07:14,235 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:07:14,236 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:07:14,236 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:07:14,238 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:07:14,239 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:07:14,239 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:07:14,240 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:07:14,240 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:07:14,241 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:07:14,241 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:07:14,242 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:07:14,242 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:07:14,243 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:07:14,243 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:07:14,244 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:07:14,244 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:07:14,245 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:07:14,245 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:07:14,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:14,246 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:07:14,248 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:07:14,248 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:07:14,249 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:07:14,249 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:07:14,249 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:07:14,250 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:07:14,250 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:07:14,250 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_242035a5-d405-4b47-8887-8db0102268c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242035a5-d405-4b47-8887-8db0102268c5/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6a662b89b8e960556d1d617930ac0e98fa0737a1c5851457e8cd9283d13df1d [2023-11-19 04:07:14,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:07:14,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:07:14,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:07:14,679 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:07:14,679 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:07:14,681 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242035a5-d405-4b47-8887-8db0102268c5/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_5+soft_float_4-3a.c.cil.c [2023-11-19 04:07:17,883 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:07:18,279 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:07:18,284 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242035a5-d405-4b47-8887-8db0102268c5/sv-benchmarks/c/combinations/square_5+soft_float_4-3a.c.cil.c [2023-11-19 04:07:18,301 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242035a5-d405-4b47-8887-8db0102268c5/bin/ukojak-verify-G8NBE6pJGL/data/69b1ca9aa/e8bd63193e7b4e0abc0ef9cee2daebe0/FLAG2f161c1f9 [2023-11-19 04:07:18,318 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242035a5-d405-4b47-8887-8db0102268c5/bin/ukojak-verify-G8NBE6pJGL/data/69b1ca9aa/e8bd63193e7b4e0abc0ef9cee2daebe0 [2023-11-19 04:07:18,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:07:18,325 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:07:18,329 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:18,329 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:07:18,334 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:07:18,334 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:18" (1/1) ... [2023-11-19 04:07:18,335 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f7e351a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:18, skipping insertion in model container [2023-11-19 04:07:18,336 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:18" (1/1) ... [2023-11-19 04:07:18,381 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:07:18,581 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_242035a5-d405-4b47-8887-8db0102268c5/sv-benchmarks/c/combinations/square_5+soft_float_4-3a.c.cil.c[1998,2011] [2023-11-19 04:07:18,587 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_242035a5-d405-4b47-8887-8db0102268c5/sv-benchmarks/c/combinations/square_5+soft_float_4-3a.c.cil.c[2367,2380] [2023-11-19 04:07:18,627 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:18,641 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:07:18,657 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_242035a5-d405-4b47-8887-8db0102268c5/sv-benchmarks/c/combinations/square_5+soft_float_4-3a.c.cil.c[1998,2011] [2023-11-19 04:07:18,659 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_242035a5-d405-4b47-8887-8db0102268c5/sv-benchmarks/c/combinations/square_5+soft_float_4-3a.c.cil.c[2367,2380] [2023-11-19 04:07:18,689 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:18,706 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:07:18,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:18 WrapperNode [2023-11-19 04:07:18,707 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:18,708 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:18,708 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:07:18,709 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:07:18,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:18" (1/1) ... [2023-11-19 04:07:18,739 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:18" (1/1) ... [2023-11-19 04:07:18,768 INFO L138 Inliner]: procedures = 28, calls = 20, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 75 [2023-11-19 04:07:18,773 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:18,776 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:07:18,777 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:07:18,777 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:07:18,786 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:18" (1/1) ... [2023-11-19 04:07:18,787 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:18" (1/1) ... [2023-11-19 04:07:18,812 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:18" (1/1) ... [2023-11-19 04:07:18,812 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:18" (1/1) ... [2023-11-19 04:07:18,824 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:18" (1/1) ... [2023-11-19 04:07:18,844 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:18" (1/1) ... [2023-11-19 04:07:18,847 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:18" (1/1) ... [2023-11-19 04:07:18,857 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:18" (1/1) ... [2023-11-19 04:07:18,861 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:07:18,877 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:07:18,877 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:07:18,877 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:07:18,878 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:18" (1/1) ... [2023-11-19 04:07:18,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:18,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242035a5-d405-4b47-8887-8db0102268c5/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:07:18,922 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242035a5-d405-4b47-8887-8db0102268c5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:07:18,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242035a5-d405-4b47-8887-8db0102268c5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:07:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:07:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:07:18,961 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 04:07:18,961 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 04:07:18,961 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2023-11-19 04:07:18,961 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2023-11-19 04:07:18,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:07:18,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:07:18,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:07:18,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:07:19,048 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:07:19,050 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:07:29,661 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:07:29,726 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:07:29,727 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:07:29,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:29 BoogieIcfgContainer [2023-11-19 04:07:29,732 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:07:29,733 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:07:29,733 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:07:29,744 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:07:29,745 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:29" (1/1) ... [2023-11-19 04:07:29,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:07:29,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:29,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 51 states and 71 transitions. [2023-11-19 04:07:29,805 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 71 transitions. [2023-11-19 04:07:29,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:07:29,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:29,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:07:29,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242035a5-d405-4b47-8887-8db0102268c5/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:07:29,808 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242035a5-d405-4b47-8887-8db0102268c5/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:07:29,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_242035a5-d405-4b47-8887-8db0102268c5/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process