./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_1+soft_float_3a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a98c06a-21a7-4441-86c8-52d839320041/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a98c06a-21a7-4441-86c8-52d839320041/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_2a98c06a-21a7-4441-86c8-52d839320041/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a98c06a-21a7-4441-86c8-52d839320041/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_1+soft_float_3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a98c06a-21a7-4441-86c8-52d839320041/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_2a98c06a-21a7-4441-86c8-52d839320041/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 86314e6cd12102dcba0a36e5967a163555a00f3305c4ea506b55d42491a26d21 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:13:32,689 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:13:32,834 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a98c06a-21a7-4441-86c8-52d839320041/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:13:32,846 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:13:32,846 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:13:32,919 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:13:32,921 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:13:32,922 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:13:32,923 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:13:32,924 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:13:32,925 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:13:32,926 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:13:32,927 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:13:32,933 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:13:32,934 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:13:32,935 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:13:32,936 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:13:32,937 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:13:32,938 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:13:32,939 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:13:32,939 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:13:32,940 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:13:32,940 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:13:32,941 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:13:32,941 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:13:32,943 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:13:32,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:32,944 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:13:32,944 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:13:32,945 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:13:32,947 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:13:32,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:13:32,947 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:13:32,962 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_2a98c06a-21a7-4441-86c8-52d839320041/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a98c06a-21a7-4441-86c8-52d839320041/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86314e6cd12102dcba0a36e5967a163555a00f3305c4ea506b55d42491a26d21 [2023-11-19 03:13:33,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:13:33,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:13:33,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:13:33,466 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:13:33,466 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:13:33,468 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a98c06a-21a7-4441-86c8-52d839320041/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_1+soft_float_3a.c.cil.c [2023-11-19 03:13:37,098 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:13:37,440 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:13:37,441 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a98c06a-21a7-4441-86c8-52d839320041/sv-benchmarks/c/combinations/square_1+soft_float_3a.c.cil.c [2023-11-19 03:13:37,455 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a98c06a-21a7-4441-86c8-52d839320041/bin/ukojak-verify-G8NBE6pJGL/data/62ec6ea28/0bb38df822d94083971ece1ae1480fb2/FLAGb2190808f [2023-11-19 03:13:37,473 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a98c06a-21a7-4441-86c8-52d839320041/bin/ukojak-verify-G8NBE6pJGL/data/62ec6ea28/0bb38df822d94083971ece1ae1480fb2 [2023-11-19 03:13:37,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:13:37,479 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:13:37,481 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:37,481 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:13:37,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:13:37,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:37" (1/1) ... [2023-11-19 03:13:37,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@351f9e85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:37, skipping insertion in model container [2023-11-19 03:13:37,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:37" (1/1) ... [2023-11-19 03:13:37,590 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:13:37,787 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_2a98c06a-21a7-4441-86c8-52d839320041/sv-benchmarks/c/combinations/square_1+soft_float_3a.c.cil.c[1996,2009] [2023-11-19 03:13:37,795 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_2a98c06a-21a7-4441-86c8-52d839320041/sv-benchmarks/c/combinations/square_1+soft_float_3a.c.cil.c[2365,2378] [2023-11-19 03:13:37,850 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:37,865 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:13:37,885 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_2a98c06a-21a7-4441-86c8-52d839320041/sv-benchmarks/c/combinations/square_1+soft_float_3a.c.cil.c[1996,2009] [2023-11-19 03:13:37,887 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_2a98c06a-21a7-4441-86c8-52d839320041/sv-benchmarks/c/combinations/square_1+soft_float_3a.c.cil.c[2365,2378] [2023-11-19 03:13:37,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:37,955 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:13:37,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:37 WrapperNode [2023-11-19 03:13:37,956 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:37,959 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:37,959 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:13:37,959 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:13:37,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:37" (1/1) ... [2023-11-19 03:13:37,997 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:37" (1/1) ... [2023-11-19 03:13:38,045 INFO L138 Inliner]: procedures = 27, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 169 [2023-11-19 03:13:38,046 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:38,057 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:13:38,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:13:38,058 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:13:38,068 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:37" (1/1) ... [2023-11-19 03:13:38,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:37" (1/1) ... [2023-11-19 03:13:38,072 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:37" (1/1) ... [2023-11-19 03:13:38,073 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:37" (1/1) ... [2023-11-19 03:13:38,082 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:37" (1/1) ... [2023-11-19 03:13:38,087 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:37" (1/1) ... [2023-11-19 03:13:38,090 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:37" (1/1) ... [2023-11-19 03:13:38,092 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:37" (1/1) ... [2023-11-19 03:13:38,097 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:13:38,098 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:13:38,098 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:13:38,099 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:13:38,100 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:37" (1/1) ... [2023-11-19 03:13:38,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:38,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a98c06a-21a7-4441-86c8-52d839320041/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:13:38,191 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a98c06a-21a7-4441-86c8-52d839320041/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:13:38,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a98c06a-21a7-4441-86c8-52d839320041/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:13:38,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:13:38,278 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 03:13:38,278 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 03:13:38,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:13:38,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:13:38,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:13:38,280 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:13:38,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:13:38,405 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:13:38,411 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:13:38,979 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:13:39,297 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:13:39,298 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:13:39,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:39 BoogieIcfgContainer [2023-11-19 03:13:39,305 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:13:39,308 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:13:39,308 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:13:39,321 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:13:39,321 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:39" (1/1) ... [2023-11-19 03:13:39,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:13:39,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:39,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-11-19 03:13:39,409 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-11-19 03:13:39,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:13:39,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:39,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:13:39,516 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:13:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:13:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:13:39,595 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:13:39,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:13:39,611 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:13:39,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:13:39 ImpRootNode [2023-11-19 03:13:39,641 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:13:39,645 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:13:39,645 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:13:39,645 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:13:39,647 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:39" (3/4) ... [2023-11-19 03:13:39,650 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:13:39,651 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:13:39,653 INFO L158 Benchmark]: Toolchain (without parser) took 2173.63ms. Allocated memory is still 174.1MB. Free memory was 142.0MB in the beginning and 90.0MB in the end (delta: 52.0MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2023-11-19 03:13:39,654 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 127.9MB. Free memory is still 99.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:13:39,655 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.70ms. Allocated memory is still 174.1MB. Free memory was 141.8MB in the beginning and 131.2MB in the end (delta: 10.6MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2023-11-19 03:13:39,657 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.53ms. Allocated memory is still 174.1MB. Free memory was 131.2MB in the beginning and 129.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:13:39,658 INFO L158 Benchmark]: Boogie Preprocessor took 39.98ms. Allocated memory is still 174.1MB. Free memory was 129.1MB in the beginning and 127.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:13:39,659 INFO L158 Benchmark]: RCFGBuilder took 1207.75ms. Allocated memory is still 174.1MB. Free memory was 127.0MB in the beginning and 102.8MB in the end (delta: 24.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 03:13:39,661 INFO L158 Benchmark]: CodeCheck took 333.43ms. Allocated memory is still 174.1MB. Free memory was 102.8MB in the beginning and 90.9MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:13:39,662 INFO L158 Benchmark]: Witness Printer took 6.86ms. Allocated memory is still 174.1MB. Free memory was 90.9MB in the beginning and 90.0MB in the end (delta: 872.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:13:39,674 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 45 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 48]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L320] COND TRUE __VERIFIER_nondet_int() [L321] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L34] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [IN=2, x=2] [L47] COND TRUE !(result >= 0.0f && result < 1.39f) 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 0.42ms. Allocated memory is still 127.9MB. Free memory is still 99.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 476.70ms. Allocated memory is still 174.1MB. Free memory was 141.8MB in the beginning and 131.2MB in the end (delta: 10.6MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.53ms. Allocated memory is still 174.1MB. Free memory was 131.2MB in the beginning and 129.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.98ms. Allocated memory is still 174.1MB. Free memory was 129.1MB in the beginning and 127.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1207.75ms. Allocated memory is still 174.1MB. Free memory was 127.0MB in the beginning and 102.8MB in the end (delta: 24.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 333.43ms. Allocated memory is still 174.1MB. Free memory was 102.8MB in the beginning and 90.9MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 6.86ms. Allocated memory is still 174.1MB. Free memory was 90.9MB in the beginning and 90.0MB in the end (delta: 872.5kB). 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 03:13:39,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a98c06a-21a7-4441-86c8-52d839320041/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_2a98c06a-21a7-4441-86c8-52d839320041/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a98c06a-21a7-4441-86c8-52d839320041/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_2a98c06a-21a7-4441-86c8-52d839320041/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a98c06a-21a7-4441-86c8-52d839320041/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_1+soft_float_3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a98c06a-21a7-4441-86c8-52d839320041/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_2a98c06a-21a7-4441-86c8-52d839320041/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 86314e6cd12102dcba0a36e5967a163555a00f3305c4ea506b55d42491a26d21 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:13:43,062 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:13:43,237 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a98c06a-21a7-4441-86c8-52d839320041/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:13:43,306 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:13:43,308 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:13:43,309 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:13:43,311 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:13:43,312 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:13:43,314 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:13:43,320 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:13:43,321 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:13:43,321 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:13:43,322 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:13:43,324 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:13:43,325 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:13:43,326 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:13:43,326 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:13:43,327 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:13:43,327 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:13:43,329 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:13:43,330 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:13:43,330 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:13:43,331 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:13:43,331 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:13:43,332 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:13:43,332 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:13:43,333 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:13:43,334 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:13:43,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:43,335 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:13:43,337 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:13:43,337 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:13:43,338 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:13:43,338 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:13:43,338 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:13:43,339 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:13:43,339 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:13:43,339 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_2a98c06a-21a7-4441-86c8-52d839320041/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a98c06a-21a7-4441-86c8-52d839320041/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86314e6cd12102dcba0a36e5967a163555a00f3305c4ea506b55d42491a26d21 [2023-11-19 03:13:43,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:13:43,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:13:43,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:13:43,960 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:13:43,961 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:13:43,963 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a98c06a-21a7-4441-86c8-52d839320041/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_1+soft_float_3a.c.cil.c [2023-11-19 03:13:47,902 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:13:48,274 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:13:48,275 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a98c06a-21a7-4441-86c8-52d839320041/sv-benchmarks/c/combinations/square_1+soft_float_3a.c.cil.c [2023-11-19 03:13:48,288 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a98c06a-21a7-4441-86c8-52d839320041/bin/ukojak-verify-G8NBE6pJGL/data/478d6204f/e7e5a8866eb64d37ae92913dbba50d9a/FLAGe59a09a18 [2023-11-19 03:13:48,307 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a98c06a-21a7-4441-86c8-52d839320041/bin/ukojak-verify-G8NBE6pJGL/data/478d6204f/e7e5a8866eb64d37ae92913dbba50d9a [2023-11-19 03:13:48,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:13:48,312 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:13:48,314 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:48,314 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:13:48,320 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:13:48,322 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:48" (1/1) ... [2023-11-19 03:13:48,323 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46ffab94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:48, skipping insertion in model container [2023-11-19 03:13:48,323 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:48" (1/1) ... [2023-11-19 03:13:48,366 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:13:48,596 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_2a98c06a-21a7-4441-86c8-52d839320041/sv-benchmarks/c/combinations/square_1+soft_float_3a.c.cil.c[1996,2009] [2023-11-19 03:13:48,604 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_2a98c06a-21a7-4441-86c8-52d839320041/sv-benchmarks/c/combinations/square_1+soft_float_3a.c.cil.c[2365,2378] [2023-11-19 03:13:48,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:48,677 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:13:48,698 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_2a98c06a-21a7-4441-86c8-52d839320041/sv-benchmarks/c/combinations/square_1+soft_float_3a.c.cil.c[1996,2009] [2023-11-19 03:13:48,700 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_2a98c06a-21a7-4441-86c8-52d839320041/sv-benchmarks/c/combinations/square_1+soft_float_3a.c.cil.c[2365,2378] [2023-11-19 03:13:48,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:48,766 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:13:48,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:48 WrapperNode [2023-11-19 03:13:48,767 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:48,768 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:48,769 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:13:48,769 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:13:48,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:48" (1/1) ... [2023-11-19 03:13:48,811 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:48" (1/1) ... [2023-11-19 03:13:48,868 INFO L138 Inliner]: procedures = 28, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 134 [2023-11-19 03:13:48,870 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:48,871 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:13:48,873 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:13:48,874 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:13:48,886 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:48" (1/1) ... [2023-11-19 03:13:48,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:48" (1/1) ... [2023-11-19 03:13:48,904 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:48" (1/1) ... [2023-11-19 03:13:48,917 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:48" (1/1) ... [2023-11-19 03:13:48,946 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:48" (1/1) ... [2023-11-19 03:13:48,950 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:48" (1/1) ... [2023-11-19 03:13:48,954 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:48" (1/1) ... [2023-11-19 03:13:48,975 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:48" (1/1) ... [2023-11-19 03:13:48,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:13:48,982 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:13:48,994 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:13:48,994 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:13:48,995 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:48" (1/1) ... [2023-11-19 03:13:49,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:49,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a98c06a-21a7-4441-86c8-52d839320041/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:13:49,066 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a98c06a-21a7-4441-86c8-52d839320041/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:13:49,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a98c06a-21a7-4441-86c8-52d839320041/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:13:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:13:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:13:49,130 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 03:13:49,130 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 03:13:49,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:13:49,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:13:49,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:13:49,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:13:49,291 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:13:49,296 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:14:00,017 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:14:00,152 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:14:00,153 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:14:00,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:00 BoogieIcfgContainer [2023-11-19 03:14:00,159 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:14:00,160 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:14:00,160 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:14:00,173 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:14:00,173 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:00" (1/1) ... [2023-11-19 03:14:00,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:14:00,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:00,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-11-19 03:14:00,257 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-11-19 03:14:00,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:14:00,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:00,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:14:00,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a98c06a-21a7-4441-86c8-52d839320041/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:14:00,263 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a98c06a-21a7-4441-86c8-52d839320041/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:14:00,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a98c06a-21a7-4441-86c8-52d839320041/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:14:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:14:05,289 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:14:10,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat