./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/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_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/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_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/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 5c4c867e245be659b2db84171c62e45b03155ac4269b1a7d8c363c8f991a60db --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:49:27,633 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:49:27,704 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:49:27,709 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:49:27,710 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:49:27,747 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:49:27,748 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:49:27,749 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:49:27,749 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:49:27,750 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:49:27,751 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:49:27,751 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:49:27,752 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:49:27,754 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:49:27,755 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:49:27,756 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:49:27,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:49:27,761 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:49:27,761 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:49:27,762 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:49:27,763 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:49:27,764 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:49:27,765 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:49:27,765 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:49:27,765 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:49:27,766 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:49:27,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:49:27,767 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:49:27,767 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:49:27,768 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:49:27,769 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:49:27,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:49:27,769 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:49:27,770 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_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c4c867e245be659b2db84171c62e45b03155ac4269b1a7d8c363c8f991a60db [2023-11-19 02:49:28,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:49:28,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:49:28,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:49:28,103 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:49:28,103 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:49:28,105 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c [2023-11-19 02:49:31,342 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:49:31,589 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:49:31,590 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c [2023-11-19 02:49:31,601 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/bin/ukojak-verify-G8NBE6pJGL/data/55adbcac2/6a70c060df6d4e12b0ac80cc402ddac5/FLAGf40e0a499 [2023-11-19 02:49:31,623 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/bin/ukojak-verify-G8NBE6pJGL/data/55adbcac2/6a70c060df6d4e12b0ac80cc402ddac5 [2023-11-19 02:49:31,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:49:31,634 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:49:31,640 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:49:31,641 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:49:31,646 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:49:31,649 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:49:31" (1/1) ... [2023-11-19 02:49:31,652 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@696464e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:31, skipping insertion in model container [2023-11-19 02:49:31,652 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:49:31" (1/1) ... [2023-11-19 02:49:31,714 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:49:31,938 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_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c[1997,2010] [2023-11-19 02:49:31,946 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_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c[2366,2379] [2023-11-19 02:49:32,021 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:49:32,033 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:49:32,048 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_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c[1997,2010] [2023-11-19 02:49:32,050 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_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c[2366,2379] [2023-11-19 02:49:32,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:49:32,118 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:49:32,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:32 WrapperNode [2023-11-19 02:49:32,119 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:49:32,121 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:49:32,121 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:49:32,121 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:49:32,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:32" (1/1) ... [2023-11-19 02:49:32,156 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:32" (1/1) ... [2023-11-19 02:49:32,190 INFO L138 Inliner]: procedures = 27, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 169 [2023-11-19 02:49:32,191 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:49:32,191 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:49:32,191 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:49:32,192 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:49:32,202 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:32" (1/1) ... [2023-11-19 02:49:32,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:32" (1/1) ... [2023-11-19 02:49:32,213 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:32" (1/1) ... [2023-11-19 02:49:32,218 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:32" (1/1) ... [2023-11-19 02:49:32,239 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:32" (1/1) ... [2023-11-19 02:49:32,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:32" (1/1) ... [2023-11-19 02:49:32,245 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:32" (1/1) ... [2023-11-19 02:49:32,256 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:32" (1/1) ... [2023-11-19 02:49:32,260 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:49:32,261 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:49:32,261 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:49:32,261 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:49:32,262 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:32" (1/1) ... [2023-11-19 02:49:32,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:49:32,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:49:32,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:49:32,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:49:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:49:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 02:49:32,334 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 02:49:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:49:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:49:32,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:49:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:49:32,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:49:32,441 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:49:32,443 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:49:32,945 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:49:33,188 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:49:33,188 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:49:33,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:49:33 BoogieIcfgContainer [2023-11-19 02:49:33,194 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:49:33,195 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:49:33,195 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:49:33,207 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:49:33,207 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:49:33" (1/1) ... [2023-11-19 02:49:33,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:49:33,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:33,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-11-19 02:49:33,302 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-11-19 02:49:33,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:49:33,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:33,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:49:33,399 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:49:33,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:49:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:49:33,475 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:49:33,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:49:33,489 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:49:33,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:49:33 ImpRootNode [2023-11-19 02:49:33,513 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:49:33,516 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:49:33,516 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:49:33,516 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:49:33,517 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:49:33" (3/4) ... [2023-11-19 02:49:33,522 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:49:33,523 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:49:33,525 INFO L158 Benchmark]: Toolchain (without parser) took 1890.17ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 92.8MB in the beginning and 103.1MB in the end (delta: -10.4MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2023-11-19 02:49:33,525 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 92.3MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:49:33,526 INFO L158 Benchmark]: CACSL2BoogieTranslator took 479.61ms. Allocated memory is still 130.0MB. Free memory was 92.4MB in the beginning and 78.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 02:49:33,528 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.08ms. Allocated memory is still 130.0MB. Free memory was 78.1MB in the beginning and 76.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:49:33,529 INFO L158 Benchmark]: Boogie Preprocessor took 68.76ms. Allocated memory is still 130.0MB. Free memory was 76.0MB in the beginning and 74.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:49:33,530 INFO L158 Benchmark]: RCFGBuilder took 932.97ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 74.3MB in the beginning and 114.7MB in the end (delta: -40.4MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2023-11-19 02:49:33,532 INFO L158 Benchmark]: CodeCheck took 319.10ms. Allocated memory is still 167.8MB. Free memory was 114.7MB in the beginning and 103.1MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:49:33,533 INFO L158 Benchmark]: Witness Printer took 7.67ms. Allocated memory is still 167.8MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:49:33,542 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: [L322] COND TRUE __VERIFIER_nondet_int() [L323] 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 < 1.399f) 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 0.34ms. Allocated memory is still 92.3MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 479.61ms. Allocated memory is still 130.0MB. Free memory was 92.4MB in the beginning and 78.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.08ms. Allocated memory is still 130.0MB. Free memory was 78.1MB in the beginning and 76.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.76ms. Allocated memory is still 130.0MB. Free memory was 76.0MB in the beginning and 74.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 932.97ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 74.3MB in the beginning and 114.7MB in the end (delta: -40.4MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * CodeCheck took 319.10ms. Allocated memory is still 167.8MB. Free memory was 114.7MB in the beginning and 103.1MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 7.67ms. Allocated memory is still 167.8MB. Free memory is still 103.1MB. 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 02:49:33,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/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_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/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_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/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 5c4c867e245be659b2db84171c62e45b03155ac4269b1a7d8c363c8f991a60db --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:49:36,212 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:49:36,325 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:49:36,356 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:49:36,357 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:49:36,357 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:49:36,358 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:49:36,359 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:49:36,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:49:36,360 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:49:36,361 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:49:36,361 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:49:36,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:49:36,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:49:36,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:49:36,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:49:36,364 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:49:36,365 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:49:36,365 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:49:36,366 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:49:36,366 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:49:36,372 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:49:36,372 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:49:36,372 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:49:36,373 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:49:36,373 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:49:36,374 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:49:36,374 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:49:36,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:49:36,375 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:49:36,375 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:49:36,376 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:49:36,376 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:49:36,376 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:49:36,377 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:49:36,377 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:49:36,378 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:49:36,378 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_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c4c867e245be659b2db84171c62e45b03155ac4269b1a7d8c363c8f991a60db [2023-11-19 02:49:36,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:49:36,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:49:36,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:49:36,876 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:49:36,877 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:49:36,878 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c [2023-11-19 02:49:40,138 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:49:40,426 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:49:40,426 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c [2023-11-19 02:49:40,437 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/bin/ukojak-verify-G8NBE6pJGL/data/a31d6b998/00dca334b0a24b06a35c526a3da91771/FLAGfc38ba3e9 [2023-11-19 02:49:40,452 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/bin/ukojak-verify-G8NBE6pJGL/data/a31d6b998/00dca334b0a24b06a35c526a3da91771 [2023-11-19 02:49:40,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:49:40,456 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:49:40,457 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:49:40,457 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:49:40,462 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:49:40,462 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:49:40" (1/1) ... [2023-11-19 02:49:40,463 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a8dee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:40, skipping insertion in model container [2023-11-19 02:49:40,464 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:49:40" (1/1) ... [2023-11-19 02:49:40,502 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:49:40,675 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_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c[1997,2010] [2023-11-19 02:49:40,682 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_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c[2366,2379] [2023-11-19 02:49:40,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:49:40,766 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:49:40,789 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_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c[1997,2010] [2023-11-19 02:49:40,791 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_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c[2366,2379] [2023-11-19 02:49:40,855 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:49:40,877 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:49:40,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:40 WrapperNode [2023-11-19 02:49:40,877 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:49:40,882 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:49:40,882 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:49:40,883 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:49:40,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:40" (1/1) ... [2023-11-19 02:49:40,922 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:40" (1/1) ... [2023-11-19 02:49:40,969 INFO L138 Inliner]: procedures = 28, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 134 [2023-11-19 02:49:40,970 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:49:40,970 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:49:40,971 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:49:40,971 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:49:40,982 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:40" (1/1) ... [2023-11-19 02:49:40,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:40" (1/1) ... [2023-11-19 02:49:41,006 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:40" (1/1) ... [2023-11-19 02:49:41,006 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:40" (1/1) ... [2023-11-19 02:49:41,016 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:40" (1/1) ... [2023-11-19 02:49:41,032 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:40" (1/1) ... [2023-11-19 02:49:41,035 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:40" (1/1) ... [2023-11-19 02:49:41,037 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:40" (1/1) ... [2023-11-19 02:49:41,042 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:49:41,043 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:49:41,043 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:49:41,043 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:49:41,049 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:40" (1/1) ... [2023-11-19 02:49:41,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:49:41,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:49:41,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:49:41,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:49:41,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:49:41,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:49:41,141 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 02:49:41,141 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 02:49:41,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:49:41,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:49:41,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:49:41,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:49:41,268 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:49:41,270 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:49:47,856 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:49:47,936 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:49:47,936 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:49:47,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:49:47 BoogieIcfgContainer [2023-11-19 02:49:47,941 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:49:47,942 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:49:47,942 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:49:47,952 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:49:47,953 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:49:47" (1/1) ... [2023-11-19 02:49:47,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:49:48,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:48,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-11-19 02:49:48,019 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-11-19 02:49:48,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:49:48,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:48,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:49:48,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:49:48,024 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:49:48,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d1e4d1-5fe6-46f3-b8c4-28bf33e77227/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process