./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_27229ef6-7ee0-4b36-bd10-78d52e191c46/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27229ef6-7ee0-4b36-bd10-78d52e191c46/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27229ef6-7ee0-4b36-bd10-78d52e191c46/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27229ef6-7ee0-4b36-bd10-78d52e191c46/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27229ef6-7ee0-4b36-bd10-78d52e191c46/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27229ef6-7ee0-4b36-bd10-78d52e191c46/bin/ukojak-verify-afCqCEvfdi --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 464cfb1fddddc503ce4a60ba7271f6a7a7e255070ab192dcd8706e91368aad81 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:57:40,801 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:57:40,874 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27229ef6-7ee0-4b36-bd10-78d52e191c46/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:57:40,878 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:57:40,878 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:57:40,902 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:57:40,903 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:57:40,904 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:57:40,905 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:57:40,905 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:57:40,906 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:57:40,906 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:57:40,907 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:57:40,908 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:57:40,908 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:57:40,909 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:57:40,909 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:57:40,910 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:57:40,910 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:57:40,911 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:57:40,912 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:57:40,912 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:57:40,913 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:57:40,914 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:57:40,914 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:57:40,915 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:57:40,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:40,916 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:57:40,917 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:57:40,917 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:57:40,918 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:57:40,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:57:40,919 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:57:40,919 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_27229ef6-7ee0-4b36-bd10-78d52e191c46/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27229ef6-7ee0-4b36-bd10-78d52e191c46/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 464cfb1fddddc503ce4a60ba7271f6a7a7e255070ab192dcd8706e91368aad81 [2023-11-24 22:57:41,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:57:41,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:57:41,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:57:41,227 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:57:41,228 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:57:41,229 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27229ef6-7ee0-4b36-bd10-78d52e191c46/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c [2023-11-24 22:57:44,526 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:57:44,795 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:57:44,795 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27229ef6-7ee0-4b36-bd10-78d52e191c46/sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c [2023-11-24 22:57:44,807 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27229ef6-7ee0-4b36-bd10-78d52e191c46/bin/ukojak-verify-afCqCEvfdi/data/9fd861d68/62bbe18eadcb4f9f87adbb548bcf48a3/FLAG7c5057e5b [2023-11-24 22:57:44,824 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27229ef6-7ee0-4b36-bd10-78d52e191c46/bin/ukojak-verify-afCqCEvfdi/data/9fd861d68/62bbe18eadcb4f9f87adbb548bcf48a3 [2023-11-24 22:57:44,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:57:44,828 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:57:44,830 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:44,831 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:57:44,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:57:44,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:44" (1/1) ... [2023-11-24 22:57:44,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@162cf45c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:44, skipping insertion in model container [2023-11-24 22:57:44,839 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:44" (1/1) ... [2023-11-24 22:57:44,883 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:57:45,081 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_27229ef6-7ee0-4b36-bd10-78d52e191c46/sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c[1997,2010] [2023-11-24 22:57:45,088 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_27229ef6-7ee0-4b36-bd10-78d52e191c46/sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c[2366,2379] [2023-11-24 22:57:45,139 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:45,150 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:57:45,167 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_27229ef6-7ee0-4b36-bd10-78d52e191c46/sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c[1997,2010] [2023-11-24 22:57:45,169 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_27229ef6-7ee0-4b36-bd10-78d52e191c46/sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c[2366,2379] [2023-11-24 22:57:45,203 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:45,220 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:57:45,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:45 WrapperNode [2023-11-24 22:57:45,221 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:45,222 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:45,222 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:57:45,222 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:57:45,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:45" (1/1) ... [2023-11-24 22:57:45,241 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:45" (1/1) ... [2023-11-24 22:57:45,283 INFO L138 Inliner]: procedures = 27, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 169 [2023-11-24 22:57:45,283 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:45,284 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:57:45,284 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:57:45,284 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:57:45,294 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:45" (1/1) ... [2023-11-24 22:57:45,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:45" (1/1) ... [2023-11-24 22:57:45,298 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:45" (1/1) ... [2023-11-24 22:57:45,299 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:45" (1/1) ... [2023-11-24 22:57:45,306 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:45" (1/1) ... [2023-11-24 22:57:45,311 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:45" (1/1) ... [2023-11-24 22:57:45,314 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:45" (1/1) ... [2023-11-24 22:57:45,316 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:45" (1/1) ... [2023-11-24 22:57:45,319 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:57:45,320 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:57:45,321 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:57:45,321 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:57:45,322 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:45" (1/1) ... [2023-11-24 22:57:45,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:45,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27229ef6-7ee0-4b36-bd10-78d52e191c46/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:57:45,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27229ef6-7ee0-4b36-bd10-78d52e191c46/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:57:45,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27229ef6-7ee0-4b36-bd10-78d52e191c46/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:57:45,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:57:45,416 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-24 22:57:45,417 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-24 22:57:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:57:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:57:45,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:57:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:57:45,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:57:45,559 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:57:45,562 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:57:46,098 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:57:46,349 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:57:46,349 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:57:46,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:57:46 BoogieIcfgContainer [2023-11-24 22:57:46,351 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:57:46,354 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:57:46,354 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:57:46,366 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:57:46,367 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:57:46" (1/1) ... [2023-11-24 22:57:46,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:57:46,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:46,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-11-24 22:57:46,456 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-11-24 22:57:46,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:57:46,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:46,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:57:46,573 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:57:46,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:57:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:57:46,641 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:57:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:57:46,661 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:57:46,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:57:46 ImpRootNode [2023-11-24 22:57:46,688 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:57:46,690 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:57:46,691 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:57:46,691 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:57:46,692 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:57:46" (3/4) ... [2023-11-24 22:57:46,696 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:57:46,697 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:57:46,699 INFO L158 Benchmark]: Toolchain (without parser) took 1870.02ms. Allocated memory is still 140.5MB. Free memory was 80.9MB in the beginning and 68.0MB in the end (delta: 12.9MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2023-11-24 22:57:46,700 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:57:46,700 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.64ms. Allocated memory is still 140.5MB. Free memory was 80.9MB in the beginning and 66.3MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:57:46,702 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.69ms. Allocated memory is still 140.5MB. Free memory was 66.3MB in the beginning and 64.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:57:46,703 INFO L158 Benchmark]: Boogie Preprocessor took 35.53ms. Allocated memory is still 140.5MB. Free memory was 64.1MB in the beginning and 62.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:57:46,704 INFO L158 Benchmark]: RCFGBuilder took 1030.77ms. Allocated memory is still 140.5MB. Free memory was 62.4MB in the beginning and 79.7MB in the end (delta: -17.3MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2023-11-24 22:57:46,705 INFO L158 Benchmark]: CodeCheck took 335.05ms. Allocated memory is still 140.5MB. Free memory was 79.7MB in the beginning and 68.6MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:57:46,706 INFO L158 Benchmark]: Witness Printer took 7.16ms. Allocated memory is still 140.5MB. Free memory was 68.6MB in the beginning and 68.0MB in the end (delta: 585.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:57:46,715 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 45 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 48]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L322] COND TRUE __VERIFIER_nondet_int() [L323] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L34] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [IN=2, x=2] [L47] COND TRUE !(result >= 0.0f && result < 1.399f) VAL [IN=2, x=2] [L48] reach_error() VAL [IN=2, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 390.64ms. Allocated memory is still 140.5MB. Free memory was 80.9MB in the beginning and 66.3MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.69ms. Allocated memory is still 140.5MB. Free memory was 66.3MB in the beginning and 64.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.53ms. Allocated memory is still 140.5MB. Free memory was 64.1MB in the beginning and 62.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1030.77ms. Allocated memory is still 140.5MB. Free memory was 62.4MB in the beginning and 79.7MB in the end (delta: -17.3MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * CodeCheck took 335.05ms. Allocated memory is still 140.5MB. Free memory was 79.7MB in the beginning and 68.6MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 7.16ms. Allocated memory is still 140.5MB. Free memory was 68.6MB in the beginning and 68.0MB in the end (delta: 585.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:57:46,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27229ef6-7ee0-4b36-bd10-78d52e191c46/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27229ef6-7ee0-4b36-bd10-78d52e191c46/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27229ef6-7ee0-4b36-bd10-78d52e191c46/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27229ef6-7ee0-4b36-bd10-78d52e191c46/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27229ef6-7ee0-4b36-bd10-78d52e191c46/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27229ef6-7ee0-4b36-bd10-78d52e191c46/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27229ef6-7ee0-4b36-bd10-78d52e191c46/bin/ukojak-verify-afCqCEvfdi --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 464cfb1fddddc503ce4a60ba7271f6a7a7e255070ab192dcd8706e91368aad81 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:57:49,506 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:57:49,633 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27229ef6-7ee0-4b36-bd10-78d52e191c46/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:57:49,688 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:57:49,689 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:57:49,690 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:57:49,691 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:57:49,691 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:57:49,692 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:57:49,693 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:57:49,694 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:57:49,695 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:57:49,695 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:57:49,696 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:57:49,697 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:57:49,697 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:57:49,698 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:57:49,699 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:57:49,699 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:57:49,700 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:57:49,701 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:57:49,701 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:57:49,702 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:57:49,702 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:57:49,703 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:57:49,704 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:57:49,704 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:57:49,705 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:57:49,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:49,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:57:49,706 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:57:49,707 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:57:49,708 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:57:49,708 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:57:49,709 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:57:49,709 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:57:49,710 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:57:49,710 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_27229ef6-7ee0-4b36-bd10-78d52e191c46/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27229ef6-7ee0-4b36-bd10-78d52e191c46/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 464cfb1fddddc503ce4a60ba7271f6a7a7e255070ab192dcd8706e91368aad81 [2023-11-24 22:57:50,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:57:50,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:57:50,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:57:50,139 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:57:50,139 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:57:50,141 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27229ef6-7ee0-4b36-bd10-78d52e191c46/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c [2023-11-24 22:57:53,486 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:57:53,751 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:57:53,752 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27229ef6-7ee0-4b36-bd10-78d52e191c46/sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c [2023-11-24 22:57:53,769 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27229ef6-7ee0-4b36-bd10-78d52e191c46/bin/ukojak-verify-afCqCEvfdi/data/feeade4ca/74ddb5682f7c4a48b9dd30c8fa3cc37e/FLAG8a55a40b9 [2023-11-24 22:57:53,786 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27229ef6-7ee0-4b36-bd10-78d52e191c46/bin/ukojak-verify-afCqCEvfdi/data/feeade4ca/74ddb5682f7c4a48b9dd30c8fa3cc37e [2023-11-24 22:57:53,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:57:53,795 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:57:53,796 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:53,796 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:57:53,801 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:57:53,802 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:53" (1/1) ... [2023-11-24 22:57:53,803 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c36e739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:53, skipping insertion in model container [2023-11-24 22:57:53,804 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:53" (1/1) ... [2023-11-24 22:57:53,866 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:57:54,089 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_27229ef6-7ee0-4b36-bd10-78d52e191c46/sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c[1997,2010] [2023-11-24 22:57:54,097 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_27229ef6-7ee0-4b36-bd10-78d52e191c46/sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c[2366,2379] [2023-11-24 22:57:54,168 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:54,191 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:57:54,222 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_27229ef6-7ee0-4b36-bd10-78d52e191c46/sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c[1997,2010] [2023-11-24 22:57:54,226 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_27229ef6-7ee0-4b36-bd10-78d52e191c46/sv-benchmarks/c/combinations/square_6+soft_float_2a.c.cil.c[2366,2379] [2023-11-24 22:57:54,274 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:54,304 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:57:54,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:54 WrapperNode [2023-11-24 22:57:54,305 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:54,306 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:54,306 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:57:54,306 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:57:54,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:54" (1/1) ... [2023-11-24 22:57:54,343 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:54" (1/1) ... [2023-11-24 22:57:54,383 INFO L138 Inliner]: procedures = 28, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 134 [2023-11-24 22:57:54,383 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:54,384 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:57:54,384 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:57:54,384 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:57:54,393 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:54" (1/1) ... [2023-11-24 22:57:54,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:54" (1/1) ... [2023-11-24 22:57:54,399 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:54" (1/1) ... [2023-11-24 22:57:54,399 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:54" (1/1) ... [2023-11-24 22:57:54,408 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:54" (1/1) ... [2023-11-24 22:57:54,413 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:54" (1/1) ... [2023-11-24 22:57:54,415 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:54" (1/1) ... [2023-11-24 22:57:54,417 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:54" (1/1) ... [2023-11-24 22:57:54,422 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:57:54,423 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:57:54,423 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:57:54,424 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:57:54,425 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:54" (1/1) ... [2023-11-24 22:57:54,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:54,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27229ef6-7ee0-4b36-bd10-78d52e191c46/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:57:54,459 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27229ef6-7ee0-4b36-bd10-78d52e191c46/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:57:54,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27229ef6-7ee0-4b36-bd10-78d52e191c46/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:57:54,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:57:54,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:57:54,515 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-24 22:57:54,516 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-24 22:57:54,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:57:54,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:57:54,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:57:54,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:57:54,642 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:57:54,644 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:58:05,242 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:58:05,313 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:58:05,313 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:58:05,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:05 BoogieIcfgContainer [2023-11-24 22:58:05,315 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:58:05,316 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:58:05,316 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:58:05,326 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:58:05,326 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:05" (1/1) ... [2023-11-24 22:58:05,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:58:05,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:05,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-11-24 22:58:05,392 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-11-24 22:58:05,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:58:05,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:05,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:58:05,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27229ef6-7ee0-4b36-bd10-78d52e191c46/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:58:05,399 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27229ef6-7ee0-4b36-bd10-78d52e191c46/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:58:05,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27229ef6-7ee0-4b36-bd10-78d52e191c46/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process