./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/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_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/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_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/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 af68db482217344707737f8e87f1bf38c34023f3266d60519ba723388f89d51c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:07:53,078 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:07:53,193 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:07:53,212 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:07:53,212 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:07:53,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:07:53,238 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:07:53,238 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:07:53,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:07:53,240 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:07:53,241 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:07:53,241 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:07:53,242 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:07:53,243 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:07:53,243 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:07:53,244 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:07:53,245 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:07:53,246 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:07:53,246 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:07:53,247 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:07:53,247 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:07:53,248 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:07:53,249 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:07:53,250 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:07:53,250 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:07:53,251 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:07:53,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:53,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:07:53,253 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:07:53,253 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:07:53,254 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:07:53,254 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:07:53,255 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:07:53,255 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_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af68db482217344707737f8e87f1bf38c34023f3266d60519ba723388f89d51c [2023-11-19 03:07:53,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:07:53,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:07:53,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:07:53,657 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:07:53,657 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:07:53,659 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c [2023-11-19 03:07:56,773 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:07:57,002 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:07:57,003 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c [2023-11-19 03:07:57,019 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/bin/ukojak-verify-G8NBE6pJGL/data/ff621b6ce/cbff1813bb2b49b9a66bfca2db64f0e0/FLAGbb8f58b19 [2023-11-19 03:07:57,034 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/bin/ukojak-verify-G8NBE6pJGL/data/ff621b6ce/cbff1813bb2b49b9a66bfca2db64f0e0 [2023-11-19 03:07:57,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:07:57,038 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:07:57,039 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:57,040 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:07:57,045 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:07:57,046 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:57" (1/1) ... [2023-11-19 03:07:57,047 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2137e0e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:57, skipping insertion in model container [2023-11-19 03:07:57,048 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:57" (1/1) ... [2023-11-19 03:07:57,101 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:07:57,341 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_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c[1997,2010] [2023-11-19 03:07:57,348 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_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c[2391,2404] [2023-11-19 03:07:57,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:57,423 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:07:57,449 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_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c[1997,2010] [2023-11-19 03:07:57,452 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_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c[2391,2404] [2023-11-19 03:07:57,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:57,527 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:07:57,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:57 WrapperNode [2023-11-19 03:07:57,528 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:57,529 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:57,529 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:07:57,530 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:07:57,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:57" (1/1) ... [2023-11-19 03:07:57,546 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:57" (1/1) ... [2023-11-19 03:07:57,568 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 79 [2023-11-19 03:07:57,569 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:57,570 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:07:57,570 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:07:57,570 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:07:57,579 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:57" (1/1) ... [2023-11-19 03:07:57,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:57" (1/1) ... [2023-11-19 03:07:57,583 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:57" (1/1) ... [2023-11-19 03:07:57,584 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:57" (1/1) ... [2023-11-19 03:07:57,596 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:57" (1/1) ... [2023-11-19 03:07:57,614 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:57" (1/1) ... [2023-11-19 03:07:57,616 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:57" (1/1) ... [2023-11-19 03:07:57,618 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:57" (1/1) ... [2023-11-19 03:07:57,629 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:07:57,630 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:07:57,630 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:07:57,630 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:07:57,641 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:57" (1/1) ... [2023-11-19 03:07:57,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:57,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:07:57,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:07:57,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:07:57,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:07:57,738 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 03:07:57,738 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 03:07:57,738 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2023-11-19 03:07:57,739 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2023-11-19 03:07:57,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:07:57,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:07:57,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:07:57,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:07:57,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:07:57,831 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:07:57,833 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:07:58,275 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:07:58,541 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:07:58,542 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:07:58,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:58 BoogieIcfgContainer [2023-11-19 03:07:58,551 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:07:58,553 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:07:58,553 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:07:58,564 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:07:58,564 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:58" (1/1) ... [2023-11-19 03:07:58,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:07:58,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:58,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 49 states and 68 transitions. [2023-11-19 03:07:58,641 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2023-11-19 03:07:58,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:07:58,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:58,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:07:58,749 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:07:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:07:58,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:07:58,852 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:07:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:07:58,873 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:07:58,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:07:58 ImpRootNode [2023-11-19 03:07:58,910 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:07:58,914 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:07:58,915 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:07:58,915 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:07:58,916 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:58" (3/4) ... [2023-11-19 03:07:58,920 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:07:58,921 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:07:58,922 INFO L158 Benchmark]: Toolchain (without parser) took 1884.11ms. Allocated memory is still 151.0MB. Free memory was 114.0MB in the beginning and 117.6MB in the end (delta: -3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:07:58,923 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory is still 87.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:07:58,924 INFO L158 Benchmark]: CACSL2BoogieTranslator took 489.03ms. Allocated memory is still 151.0MB. Free memory was 114.0MB in the beginning and 108.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:07:58,926 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.76ms. Allocated memory is still 151.0MB. Free memory was 108.7MB in the beginning and 106.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:07:58,926 INFO L158 Benchmark]: Boogie Preprocessor took 59.63ms. Allocated memory is still 151.0MB. Free memory was 106.6MB in the beginning and 105.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:07:58,928 INFO L158 Benchmark]: RCFGBuilder took 920.75ms. Allocated memory is still 151.0MB. Free memory was 105.3MB in the beginning and 65.4MB in the end (delta: 39.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-19 03:07:58,929 INFO L158 Benchmark]: CodeCheck took 357.72ms. Allocated memory is still 151.0MB. Free memory was 65.4MB in the beginning and 117.9MB in the end (delta: -52.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:07:58,945 INFO L158 Benchmark]: Witness Printer took 7.64ms. Allocated memory is still 151.0MB. Free memory was 117.9MB in the beginning and 117.6MB in the end (delta: 321.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:07:58,957 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 4 procedures, 49 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, 0.1s 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: [L310] COND TRUE __VERIFIER_nondet_int() [L311] 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 < 1.398f) 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 0.30ms. Allocated memory is still 121.6MB. Free memory is still 87.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 489.03ms. Allocated memory is still 151.0MB. Free memory was 114.0MB in the beginning and 108.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.76ms. Allocated memory is still 151.0MB. Free memory was 108.7MB in the beginning and 106.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.63ms. Allocated memory is still 151.0MB. Free memory was 106.6MB in the beginning and 105.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 920.75ms. Allocated memory is still 151.0MB. Free memory was 105.3MB in the beginning and 65.4MB in the end (delta: 39.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * CodeCheck took 357.72ms. Allocated memory is still 151.0MB. Free memory was 65.4MB in the beginning and 117.9MB in the end (delta: -52.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.64ms. Allocated memory is still 151.0MB. Free memory was 117.9MB in the beginning and 117.6MB in the end (delta: 321.4kB). 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 03:07:59,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/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_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/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_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/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 af68db482217344707737f8e87f1bf38c34023f3266d60519ba723388f89d51c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:08:01,676 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:08:01,757 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:08:01,793 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:08:01,794 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:08:01,795 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:08:01,796 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:08:01,796 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:08:01,797 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:08:01,798 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:08:01,798 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:08:01,799 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:08:01,799 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:08:01,800 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:08:01,800 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:08:01,801 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:08:01,802 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:08:01,802 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:08:01,803 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:08:01,803 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:08:01,804 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:08:01,804 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:08:01,805 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:08:01,805 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:08:01,806 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:08:01,806 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:08:01,807 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:08:01,807 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:08:01,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:08:01,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:08:01,808 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:08:01,809 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:08:01,809 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:08:01,810 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:08:01,810 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:08:01,810 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:08:01,811 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:08:01,811 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_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af68db482217344707737f8e87f1bf38c34023f3266d60519ba723388f89d51c [2023-11-19 03:08:02,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:08:02,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:08:02,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:08:02,228 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:08:02,228 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:08:02,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c [2023-11-19 03:08:05,399 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:08:05,670 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:08:05,671 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c [2023-11-19 03:08:05,682 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/bin/ukojak-verify-G8NBE6pJGL/data/76275ea6a/fbf9de064f2344a78da24772c60247a9/FLAG0eeab411d [2023-11-19 03:08:05,698 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/bin/ukojak-verify-G8NBE6pJGL/data/76275ea6a/fbf9de064f2344a78da24772c60247a9 [2023-11-19 03:08:05,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:08:05,704 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:08:05,706 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:08:05,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:08:05,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:08:05,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:08:05" (1/1) ... [2023-11-19 03:08:05,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42eaeddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:05, skipping insertion in model container [2023-11-19 03:08:05,714 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:08:05" (1/1) ... [2023-11-19 03:08:05,755 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:08:05,972 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_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c[1997,2010] [2023-11-19 03:08:05,979 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_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c[2391,2404] [2023-11-19 03:08:06,035 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:08:06,052 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:08:06,070 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_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c[1997,2010] [2023-11-19 03:08:06,072 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_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c[2391,2404] [2023-11-19 03:08:06,105 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:08:06,125 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:08:06,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:06 WrapperNode [2023-11-19 03:08:06,126 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:08:06,127 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:08:06,127 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:08:06,127 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:08:06,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:06" (1/1) ... [2023-11-19 03:08:06,150 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:06" (1/1) ... [2023-11-19 03:08:06,174 INFO L138 Inliner]: procedures = 28, calls = 19, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 75 [2023-11-19 03:08:06,175 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:08:06,176 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:08:06,176 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:08:06,177 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:08:06,187 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:06" (1/1) ... [2023-11-19 03:08:06,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:06" (1/1) ... [2023-11-19 03:08:06,194 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:06" (1/1) ... [2023-11-19 03:08:06,194 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:06" (1/1) ... [2023-11-19 03:08:06,208 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:06" (1/1) ... [2023-11-19 03:08:06,213 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:06" (1/1) ... [2023-11-19 03:08:06,217 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:06" (1/1) ... [2023-11-19 03:08:06,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:06" (1/1) ... [2023-11-19 03:08:06,226 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:08:06,227 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:08:06,228 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:08:06,228 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:08:06,241 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:06" (1/1) ... [2023-11-19 03:08:06,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:08:06,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:08:06,282 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:08:06,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:08:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:08:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:08:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 03:08:06,333 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 03:08:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2023-11-19 03:08:06,334 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2023-11-19 03:08:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:08:06,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:08:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:08:06,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:08:06,444 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:08:06,447 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:08:17,100 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:08:17,173 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:08:17,174 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:08:17,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:17 BoogieIcfgContainer [2023-11-19 03:08:17,180 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:08:17,181 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:08:17,181 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:08:17,194 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:08:17,194 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:17" (1/1) ... [2023-11-19 03:08:17,206 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:08:17,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:17,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 49 states and 68 transitions. [2023-11-19 03:08:17,280 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2023-11-19 03:08:17,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:08:17,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:17,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:08:17,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:08:17,287 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:08:17,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c204c36e-80b3-44fa-bf37-2edfd3d1d5d6/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:08:26,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:08:26,372 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:08:33,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat