./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_7+soft_float_1-3a.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_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/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_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_7+soft_float_1-3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/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_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/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 613205d4a69cfcfbc25451727273468eeac5e6faf4f74e1e8c3a83a65bc4c664 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:07:26,157 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:07:26,276 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:07:26,289 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:07:26,290 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:07:26,329 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:07:26,330 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:07:26,331 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:07:26,332 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:07:26,337 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:07:26,338 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:07:26,339 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:07:26,340 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:07:26,341 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:07:26,342 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:07:26,343 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:07:26,343 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:07:26,344 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:07:26,344 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:07:26,345 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:07:26,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:07:26,346 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:07:26,346 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:07:26,347 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:07:26,348 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:07:26,349 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:07:26,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:26,350 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:07:26,350 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:07:26,351 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:07:26,352 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:07:26,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:07:26,352 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:07:26,353 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_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 613205d4a69cfcfbc25451727273468eeac5e6faf4f74e1e8c3a83a65bc4c664 [2023-11-19 03:07:26,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:07:26,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:07:26,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:07:26,697 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:07:26,697 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:07:26,699 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_7+soft_float_1-3a.c.cil.c [2023-11-19 03:07:29,791 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:07:30,039 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:07:30,039 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/sv-benchmarks/c/combinations/square_7+soft_float_1-3a.c.cil.c [2023-11-19 03:07:30,050 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/bin/ukojak-verify-G8NBE6pJGL/data/4f5a9da56/f1582ab6402045749e4020a99612ea06/FLAGb8249bc4a [2023-11-19 03:07:30,064 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/bin/ukojak-verify-G8NBE6pJGL/data/4f5a9da56/f1582ab6402045749e4020a99612ea06 [2023-11-19 03:07:30,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:07:30,068 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:07:30,070 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:30,070 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:07:30,075 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:07:30,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:30" (1/1) ... [2023-11-19 03:07:30,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b3fbdaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:30, skipping insertion in model container [2023-11-19 03:07:30,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:30" (1/1) ... [2023-11-19 03:07:30,123 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:07:30,336 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_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/sv-benchmarks/c/combinations/square_7+soft_float_1-3a.c.cil.c[1995,2008] [2023-11-19 03:07:30,345 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_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/sv-benchmarks/c/combinations/square_7+soft_float_1-3a.c.cil.c[2364,2377] [2023-11-19 03:07:30,406 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:30,417 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:07:30,436 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_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/sv-benchmarks/c/combinations/square_7+soft_float_1-3a.c.cil.c[1995,2008] [2023-11-19 03:07:30,438 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_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/sv-benchmarks/c/combinations/square_7+soft_float_1-3a.c.cil.c[2364,2377] [2023-11-19 03:07:30,488 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:30,503 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:07:30,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:30 WrapperNode [2023-11-19 03:07:30,503 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:30,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:30,505 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:07:30,505 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:07:30,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:30" (1/1) ... [2023-11-19 03:07:30,522 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:30" (1/1) ... [2023-11-19 03:07:30,565 INFO L138 Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 209 [2023-11-19 03:07:30,566 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:30,567 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:07:30,567 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:07:30,567 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:07:30,584 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:30" (1/1) ... [2023-11-19 03:07:30,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:30" (1/1) ... [2023-11-19 03:07:30,589 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:30" (1/1) ... [2023-11-19 03:07:30,590 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:30" (1/1) ... [2023-11-19 03:07:30,602 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:30" (1/1) ... [2023-11-19 03:07:30,608 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:30" (1/1) ... [2023-11-19 03:07:30,610 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:30" (1/1) ... [2023-11-19 03:07:30,612 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:30" (1/1) ... [2023-11-19 03:07:30,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:07:30,622 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:07:30,623 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:07:30,623 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:07:30,640 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:30" (1/1) ... [2023-11-19 03:07:30,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:30,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:07:30,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:07:30,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:07:30,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:07:30,716 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 03:07:30,717 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 03:07:30,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:07:30,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:07:30,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:07:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:07:30,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:07:30,845 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:07:30,847 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:07:31,307 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:07:31,599 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:07:31,600 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:07:31,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:31 BoogieIcfgContainer [2023-11-19 03:07:31,609 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:07:31,610 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:07:31,610 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:07:31,622 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:07:31,622 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:31" (1/1) ... [2023-11-19 03:07:31,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:07:31,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:31,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 53 states and 78 transitions. [2023-11-19 03:07:31,704 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2023-11-19 03:07:31,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:07:31,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:31,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:31,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:07:31,804 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:07:31,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:07:31,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:07:31,876 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:07:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:07:31,899 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:07:31,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:07:31 ImpRootNode [2023-11-19 03:07:31,928 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:07:31,930 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:07:31,931 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:07:31,931 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:07:31,932 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:31" (3/4) ... [2023-11-19 03:07:31,935 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:07:31,937 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:07:31,938 INFO L158 Benchmark]: Toolchain (without parser) took 1868.89ms. Allocated memory is still 184.5MB. Free memory was 146.4MB in the beginning and 112.1MB in the end (delta: 34.3MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2023-11-19 03:07:31,939 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 134.2MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:07:31,941 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.88ms. Allocated memory is still 184.5MB. Free memory was 146.4MB in the beginning and 131.2MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:07:31,942 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.82ms. Allocated memory is still 184.5MB. Free memory was 131.2MB in the beginning and 129.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:07:31,943 INFO L158 Benchmark]: Boogie Preprocessor took 49.52ms. Allocated memory is still 184.5MB. Free memory was 129.0MB in the beginning and 127.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:07:31,944 INFO L158 Benchmark]: RCFGBuilder took 986.43ms. Allocated memory is still 184.5MB. Free memory was 127.1MB in the beginning and 123.6MB in the end (delta: 3.5MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2023-11-19 03:07:31,945 INFO L158 Benchmark]: CodeCheck took 318.63ms. Allocated memory is still 184.5MB. Free memory was 123.6MB in the beginning and 112.1MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:07:31,946 INFO L158 Benchmark]: Witness Printer took 6.37ms. Allocated memory is still 184.5MB. Free memory is still 112.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:07:31,957 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, 53 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: [L402] COND TRUE __VERIFIER_nondet_int() [L403] 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 < 1.4f) 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 0.24ms. Allocated memory is still 134.2MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 433.88ms. Allocated memory is still 184.5MB. Free memory was 146.4MB in the beginning and 131.2MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.82ms. Allocated memory is still 184.5MB. Free memory was 131.2MB in the beginning and 129.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.52ms. Allocated memory is still 184.5MB. Free memory was 129.0MB in the beginning and 127.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 986.43ms. Allocated memory is still 184.5MB. Free memory was 127.1MB in the beginning and 123.6MB in the end (delta: 3.5MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * CodeCheck took 318.63ms. Allocated memory is still 184.5MB. Free memory was 123.6MB in the beginning and 112.1MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 6.37ms. Allocated memory is still 184.5MB. Free memory is still 112.1MB. 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 03:07:32,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/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_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/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_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_7+soft_float_1-3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/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_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/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 613205d4a69cfcfbc25451727273468eeac5e6faf4f74e1e8c3a83a65bc4c664 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:07:34,583 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:07:34,697 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:07:34,749 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:07:34,750 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:07:34,751 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:07:34,752 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:07:34,752 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:07:34,754 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:07:34,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:07:34,759 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:07:34,759 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:07:34,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:07:34,762 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:07:34,762 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:07:34,763 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:07:34,763 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:07:34,763 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:07:34,764 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:07:34,765 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:07:34,765 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:07:34,766 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:07:34,766 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:07:34,767 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:07:34,767 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:07:34,768 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:07:34,768 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:07:34,768 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:07:34,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:34,769 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:07:34,771 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:07:34,771 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:07:34,771 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:07:34,772 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:07:34,772 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:07:34,772 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:07:34,772 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:07:34,773 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_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 613205d4a69cfcfbc25451727273468eeac5e6faf4f74e1e8c3a83a65bc4c664 [2023-11-19 03:07:35,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:07:35,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:07:35,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:07:35,253 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:07:35,254 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:07:35,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_7+soft_float_1-3a.c.cil.c [2023-11-19 03:07:38,551 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:07:38,859 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:07:38,860 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/sv-benchmarks/c/combinations/square_7+soft_float_1-3a.c.cil.c [2023-11-19 03:07:38,881 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/bin/ukojak-verify-G8NBE6pJGL/data/3275514b7/adc13760802c4ca8b66972fada21fbfa/FLAG23798f138 [2023-11-19 03:07:38,901 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/bin/ukojak-verify-G8NBE6pJGL/data/3275514b7/adc13760802c4ca8b66972fada21fbfa [2023-11-19 03:07:38,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:07:38,910 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:07:38,917 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:38,918 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:07:38,923 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:07:38,924 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:38" (1/1) ... [2023-11-19 03:07:38,925 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bee9fbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:38, skipping insertion in model container [2023-11-19 03:07:38,925 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:38" (1/1) ... [2023-11-19 03:07:38,989 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:07:39,158 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_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/sv-benchmarks/c/combinations/square_7+soft_float_1-3a.c.cil.c[1995,2008] [2023-11-19 03:07:39,166 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_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/sv-benchmarks/c/combinations/square_7+soft_float_1-3a.c.cil.c[2364,2377] [2023-11-19 03:07:39,218 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:39,234 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:07:39,251 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_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/sv-benchmarks/c/combinations/square_7+soft_float_1-3a.c.cil.c[1995,2008] [2023-11-19 03:07:39,252 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_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/sv-benchmarks/c/combinations/square_7+soft_float_1-3a.c.cil.c[2364,2377] [2023-11-19 03:07:39,300 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:39,318 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:07:39,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:39 WrapperNode [2023-11-19 03:07:39,321 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:39,323 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:39,323 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:07:39,323 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:07:39,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:39" (1/1) ... [2023-11-19 03:07:39,359 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:39" (1/1) ... [2023-11-19 03:07:39,403 INFO L138 Inliner]: procedures = 28, calls = 21, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 169 [2023-11-19 03:07:39,403 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:39,404 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:07:39,405 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:07:39,405 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:07:39,416 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:39" (1/1) ... [2023-11-19 03:07:39,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:39" (1/1) ... [2023-11-19 03:07:39,422 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:39" (1/1) ... [2023-11-19 03:07:39,422 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:39" (1/1) ... [2023-11-19 03:07:39,437 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:39" (1/1) ... [2023-11-19 03:07:39,442 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:39" (1/1) ... [2023-11-19 03:07:39,445 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:39" (1/1) ... [2023-11-19 03:07:39,488 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:39" (1/1) ... [2023-11-19 03:07:39,493 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:07:39,495 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:07:39,495 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:07:39,495 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:07:39,499 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:39" (1/1) ... [2023-11-19 03:07:39,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:39,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:07:39,571 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:07:39,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:07:39,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:07:39,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:07:39,632 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 03:07:39,632 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 03:07:39,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:07:39,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:07:39,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:07:39,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:07:39,768 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:07:39,771 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:07:50,475 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:07:50,607 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:07:50,608 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:07:50,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:50 BoogieIcfgContainer [2023-11-19 03:07:50,613 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:07:50,614 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:07:50,614 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:07:50,624 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:07:50,624 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:50" (1/1) ... [2023-11-19 03:07:50,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:07:50,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:50,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 53 states and 78 transitions. [2023-11-19 03:07:50,689 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2023-11-19 03:07:50,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:07:50,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:50,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:07:50,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:07:50,692 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:07:50,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba62d45-1d63-4d97-a9ac-b1170f09a00f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process