./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1211b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1211b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9 --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 357cd7c68915d75ef7cc5bde5b81cbcf327e780f04b059068444ae319e85eb5a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:50:36,343 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:50:36,414 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:50:36,418 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:50:36,419 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:50:36,440 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:50:36,441 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:50:36,441 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:50:36,442 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:50:36,442 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:50:36,443 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:50:36,443 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:50:36,444 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:50:36,444 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:50:36,445 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:50:36,445 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:50:36,446 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:50:36,446 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:50:36,447 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:50:36,447 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:50:36,448 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:50:36,449 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:50:36,449 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:50:36,449 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:50:36,450 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:50:36,450 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:50:36,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:50:36,451 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:50:36,452 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:50:36,452 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:50:36,453 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:50:36,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:50:36,453 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:50:36,453 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_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 357cd7c68915d75ef7cc5bde5b81cbcf327e780f04b059068444ae319e85eb5a [2023-12-03 02:50:36,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:50:36,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:50:36,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:50:36,719 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:50:36,720 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:50:36,721 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_1211b.c [2023-12-03 02:50:39,507 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:50:39,683 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:50:39,684 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/sv-benchmarks/c/float-newlib/double_req_bl_1211b.c [2023-12-03 02:50:39,693 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/data/a37a76732/dac8ac869d064f059aa7c2cccd771848/FLAGec38028a1 [2023-12-03 02:50:39,707 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/data/a37a76732/dac8ac869d064f059aa7c2cccd771848 [2023-12-03 02:50:39,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:50:39,712 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:50:39,713 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:50:39,713 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:50:39,717 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:50:39,717 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:50:39" (1/1) ... [2023-12-03 02:50:39,718 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@132abfd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:39, skipping insertion in model container [2023-12-03 02:50:39,718 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:50:39" (1/1) ... [2023-12-03 02:50:39,748 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:50:39,922 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_9bddb1fa-ea9e-4865-9a1f-518922d8d902/sv-benchmarks/c/float-newlib/double_req_bl_1211b.c[3718,3731] [2023-12-03 02:50:39,927 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:50:39,935 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:50:39,976 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_9bddb1fa-ea9e-4865-9a1f-518922d8d902/sv-benchmarks/c/float-newlib/double_req_bl_1211b.c[3718,3731] [2023-12-03 02:50:39,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:50:39,991 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:50:39,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:39 WrapperNode [2023-12-03 02:50:39,991 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:50:39,992 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:50:39,992 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:50:39,993 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:50:39,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:39" (1/1) ... [2023-12-03 02:50:40,009 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:39" (1/1) ... [2023-12-03 02:50:40,043 INFO L138 Inliner]: procedures = 20, calls = 80, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 333 [2023-12-03 02:50:40,043 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:50:40,044 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:50:40,044 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:50:40,045 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:50:40,055 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:39" (1/1) ... [2023-12-03 02:50:40,055 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:39" (1/1) ... [2023-12-03 02:50:40,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:39" (1/1) ... [2023-12-03 02:50:40,061 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:39" (1/1) ... [2023-12-03 02:50:40,074 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:39" (1/1) ... [2023-12-03 02:50:40,081 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:39" (1/1) ... [2023-12-03 02:50:40,084 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:39" (1/1) ... [2023-12-03 02:50:40,086 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:39" (1/1) ... [2023-12-03 02:50:40,091 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:50:40,092 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:50:40,092 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:50:40,092 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:50:40,094 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:39" (1/1) ... [2023-12-03 02:50:40,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:50:40,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:50:40,132 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:50:40,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:50:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:50:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:50:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:50:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-03 02:50:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 02:50:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-03 02:50:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:50:40,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:50:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-12-03 02:50:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 02:50:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:50:40,250 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:50:40,252 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:50:40,634 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:50:40,827 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:50:40,828 INFO L309 CfgBuilder]: Removed 24 assume(true) statements. [2023-12-03 02:50:40,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:50:40 BoogieIcfgContainer [2023-12-03 02:50:40,829 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:50:40,830 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:50:40,830 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:50:40,839 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:50:40,839 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:50:40" (1/1) ... [2023-12-03 02:50:40,847 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:50:40,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:40,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2023-12-03 02:50:40,896 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2023-12-03 02:50:40,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:50:40,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:40,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:50:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:41,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:50:41,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:41,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 48 states and 72 transitions. [2023-12-03 02:50:41,076 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions. [2023-12-03 02:50:41,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:50:41,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:41,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:50:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:41,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:50:41,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:41,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 48 states and 70 transitions. [2023-12-03 02:50:41,178 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 70 transitions. [2023-12-03 02:50:41,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:50:41,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:41,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:50:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:41,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:50:41,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:41,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 49 states and 71 transitions. [2023-12-03 02:50:41,303 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2023-12-03 02:50:41,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 02:50:41,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:41,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:50:41,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:50:41,426 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:50:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:50:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:50:41,759 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:50:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:50:41,937 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2023-12-03 02:50:41,967 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated [2023-12-03 02:50:41,968 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated [2023-12-03 02:50:41,968 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret33 could not be translated [2023-12-03 02:50:41,968 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated [2023-12-03 02:50:41,968 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated [2023-12-03 02:50:41,969 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated [2023-12-03 02:50:41,969 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated [2023-12-03 02:50:41,969 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret33 could not be translated [2023-12-03 02:50:41,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:50:41 ImpRootNode [2023-12-03 02:50:41,975 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:50:41,976 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:50:41,976 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:50:41,976 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:50:41,976 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:50:40" (3/4) ... [2023-12-03 02:50:41,978 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:50:41,980 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:50:41,980 INFO L158 Benchmark]: Toolchain (without parser) took 2268.75ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 93.7MB in the end (delta: 11.8MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2023-12-03 02:50:41,981 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 142.6MB. Free memory is still 111.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:50:41,981 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.83ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 92.3MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 02:50:41,982 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.42ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 89.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 02:50:41,983 INFO L158 Benchmark]: Boogie Preprocessor took 46.84ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 87.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:50:41,983 INFO L158 Benchmark]: RCFGBuilder took 737.38ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 105.4MB in the end (delta: -18.2MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. [2023-12-03 02:50:41,984 INFO L158 Benchmark]: CodeCheck took 1144.80ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 94.6MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 02:50:41,984 INFO L158 Benchmark]: Witness Printer took 4.17ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 93.7MB in the end (delta: 913.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:50:41,987 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 1 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 166 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 75 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 75 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 297 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 2 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, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 43 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 152]: 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 someBinaryDOUBLEComparisonOperation at line 151, overapproximation of bitwiseOr at line 122, overapproximation of someBinaryArithmeticDOUBLEoperation at line 146. Possible FailurePath: [L20] static const double one_modf = 1.0; [L146] double x = -1.0 / 0.0; [L147] double iptr = __VERIFIER_nondet_double(); [L147] double iptr = __VERIFIER_nondet_double(); [L148] CALL, EXPR modf_double(x, &iptr) [L23] __int32_t i0, i1, j0; [L24] __uint32_t i; VAL [\old(x)=2, iptr={12506:0}, iptr={12506:0}, one_modf=1, x=2] [L26] ieee_double_shape_type ew_u; [L27] EXPR ew_u.value = (x) [L28] EXPR ew_u.parts.msw [L28] EXPR (i0) = ew_u.parts.msw [L29] EXPR ew_u.parts.lsw [L29] EXPR (i1) = ew_u.parts.lsw [L25-L30] { ieee_double_shape_type ew_u; ew_u.value = (x); (i0) = ew_u.parts.msw; (i1) = ew_u.parts.lsw; } VAL [\old(x)=2, i0=1048575, i1=-2147483648, iptr={12506:0}, iptr={12506:0}, one_modf=1, x=2] [L31] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=2, i0=1048575, i1=-2147483648, iptr={12506:0}, iptr={12506:0}, j0=-1023, one_modf=1, x=2] [L32] COND TRUE j0 < 20 VAL [\old(x)=2, i0=1048575, i1=-2147483648, iptr={12506:0}, iptr={12506:0}, j0=-1023, one_modf=1, x=2] [L33] COND TRUE j0 < 0 VAL [\old(x)=2, i0=1048575, i1=-2147483648, iptr={12506:0}, iptr={12506:0}, j0=-1023, one_modf=1, x=2] [L35] ieee_double_shape_type iw_u; [L36] EXPR iw_u.parts.msw = (i0 & 0x80000000) [L37] EXPR iw_u.parts.lsw = (0) [L38] EXPR iw_u.value [L38] EXPR (*iptr) = iw_u.value [L34-L39] { ieee_double_shape_type iw_u; iw_u.parts.msw = (i0 & 0x80000000); iw_u.parts.lsw = (0); (*iptr) = iw_u.value; } VAL [\old(x)=2, i0=1048575, i1=-2147483648, iptr={12506:0}, iptr={12506:0}, j0=-1023, one_modf=1, x=2] [L40] return x; VAL [\old(x)=2, \result=2, i0=1048575, i1=-2147483648, iptr={12506:0}, iptr={12506:0}, j0=-1023, one_modf=1, x=2] [L148] RET, EXPR modf_double(x, &iptr) [L148] double res = modf_double(x, &iptr); [L151] EXPR \read(iptr) [L151] CALL, EXPR isinf_double(iptr) [L114] __int32_t hx, lx; VAL [\old(x)=4, one_modf=1, x=4] [L116] ieee_double_shape_type ew_u; [L117] EXPR ew_u.value = (x) [L118] EXPR ew_u.parts.msw [L118] EXPR (hx) = ew_u.parts.msw [L119] EXPR ew_u.parts.lsw [L119] EXPR (lx) = ew_u.parts.lsw [L115-L120] { ieee_double_shape_type ew_u; ew_u.value = (x); (hx) = ew_u.parts.msw; (lx) = ew_u.parts.lsw; } VAL [\old(x)=4, hx=2147483647, lx=1, one_modf=1, x=4] [L121] hx &= 0x7fffffff [L122] EXPR lx | (-lx) [L122] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L123] hx = 0x7ff00000 - hx [L124] EXPR hx | (-hx) [L124] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L151] RET, EXPR isinf_double(iptr) [L151] isinf_double(iptr) && !(res == -0.0 && __signbit_double(res) == 1) [L151] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [iptr={12506:0}, one_modf=1, res=2, x=2] [L151] isinf_double(iptr) && !(res == -0.0 && __signbit_double(res) == 1) VAL [iptr={12506:0}, one_modf=1, res=2, x=2] [L151] COND TRUE isinf_double(iptr) && !(res == -0.0 && __signbit_double(res) == 1) [L152] reach_error() VAL [iptr={12506:0}, one_modf=1, res=2, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 142.6MB. Free memory is still 111.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.83ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 92.3MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.42ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 89.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.84ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 87.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 737.38ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 105.4MB in the end (delta: -18.2MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. * CodeCheck took 1144.80ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 94.6MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 4.17ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 93.7MB in the end (delta: 913.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret33 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 02:50:42,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1211b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9 --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 357cd7c68915d75ef7cc5bde5b81cbcf327e780f04b059068444ae319e85eb5a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:50:43,929 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:50:43,997 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 02:50:44,025 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:50:44,027 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:50:44,027 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:50:44,028 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:50:44,028 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:50:44,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:50:44,029 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:50:44,030 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:50:44,030 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:50:44,031 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:50:44,031 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:50:44,032 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:50:44,032 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:50:44,033 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:50:44,033 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:50:44,034 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:50:44,034 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:50:44,035 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:50:44,035 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:50:44,036 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:50:44,036 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:50:44,037 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:50:44,037 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:44,038 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:50:44,038 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:50:44,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:50:44,039 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:50:44,040 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:50:44,040 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:50:44,040 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:50:44,041 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:44,041 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:50:44,041 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:50:44,042 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:50:44,042 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_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 357cd7c68915d75ef7cc5bde5b81cbcf327e780f04b059068444ae319e85eb5a [2023-12-03 02:50:44,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:50:44,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:50:44,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:50:44,373 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:50:44,374 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:50:44,375 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_1211b.c [2023-12-03 02:50:47,154 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:50:47,361 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:50:47,362 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/sv-benchmarks/c/float-newlib/double_req_bl_1211b.c [2023-12-03 02:50:47,371 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/data/82b9ecaba/c90a6b4530e34998a3bf77a89564e0ac/FLAGa58ac6946 [2023-12-03 02:50:47,385 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/data/82b9ecaba/c90a6b4530e34998a3bf77a89564e0ac [2023-12-03 02:50:47,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:50:47,389 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:50:47,391 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:50:47,391 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:50:47,395 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:50:47,396 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:50:47" (1/1) ... [2023-12-03 02:50:47,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2204958b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:47, skipping insertion in model container [2023-12-03 02:50:47,398 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:50:47" (1/1) ... [2023-12-03 02:50:47,428 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:50:47,613 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_9bddb1fa-ea9e-4865-9a1f-518922d8d902/sv-benchmarks/c/float-newlib/double_req_bl_1211b.c[3718,3731] [2023-12-03 02:50:47,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:50:47,633 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:50:47,670 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_9bddb1fa-ea9e-4865-9a1f-518922d8d902/sv-benchmarks/c/float-newlib/double_req_bl_1211b.c[3718,3731] [2023-12-03 02:50:47,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:50:47,689 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:50:47,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:47 WrapperNode [2023-12-03 02:50:47,690 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:50:47,691 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:50:47,691 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:50:47,691 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:50:47,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:47" (1/1) ... [2023-12-03 02:50:47,712 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:47" (1/1) ... [2023-12-03 02:50:47,740 INFO L138 Inliner]: procedures = 23, calls = 80, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 257 [2023-12-03 02:50:47,740 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:50:47,741 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:50:47,741 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:50:47,741 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:50:47,751 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:47" (1/1) ... [2023-12-03 02:50:47,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:47" (1/1) ... [2023-12-03 02:50:47,757 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:47" (1/1) ... [2023-12-03 02:50:47,757 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:47" (1/1) ... [2023-12-03 02:50:47,770 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:47" (1/1) ... [2023-12-03 02:50:47,776 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:47" (1/1) ... [2023-12-03 02:50:47,779 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:47" (1/1) ... [2023-12-03 02:50:47,781 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:47" (1/1) ... [2023-12-03 02:50:47,785 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:50:47,786 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:50:47,787 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:50:47,787 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:50:47,788 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:50:47" (1/1) ... [2023-12-03 02:50:47,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:50:47,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:50:47,821 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:50:47,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:50:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:50:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-12-03 02:50:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-12-03 02:50:47,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:50:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:50:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-12-03 02:50:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:50:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:50:47,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:50:47,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 02:50:47,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:50:47,992 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:50:47,995 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:50:50,824 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:50:50,852 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:50:50,852 INFO L309 CfgBuilder]: Removed 24 assume(true) statements. [2023-12-03 02:50:50,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:50:50 BoogieIcfgContainer [2023-12-03 02:50:50,854 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:50:50,855 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:50:50,855 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:50:50,863 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:50:50,863 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:50:50" (1/1) ... [2023-12-03 02:50:50,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:50:50,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:50,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2023-12-03 02:50:50,917 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2023-12-03 02:50:50,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:50:50,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:50,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:50,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:50,922 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:50,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:50:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:51,134 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:51,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:50:51,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:51,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:50:51,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:50:51,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:51,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 48 states and 72 transitions. [2023-12-03 02:50:51,246 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions. [2023-12-03 02:50:51,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:50:51,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:51,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:51,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:51,259 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:51,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:50:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:51,491 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:51,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:50:51,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:51,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:50:51,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:50:51,546 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:50:51,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:51,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 48 states and 68 transitions. [2023-12-03 02:50:51,563 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 68 transitions. [2023-12-03 02:50:51,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:50:51,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:51,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:51,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:51,565 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:51,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:50:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:51,762 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:51,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:50:51,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:51,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:50:51,812 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:50:51,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 02:50:51,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:51,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 48 states and 66 transitions. [2023-12-03 02:50:51,820 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 66 transitions. [2023-12-03 02:50:51,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:50:51,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:51,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:51,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:51,823 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:51,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 02:50:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:52,039 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:52,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:52,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:50:52,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:52,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:50:52,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 02:50:52,088 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:50:52,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:52,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 48 states and 64 transitions. [2023-12-03 02:50:52,100 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 64 transitions. [2023-12-03 02:50:52,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:50:52,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:52,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:52,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:52,102 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:52,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 02:50:52,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:52,277 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:52,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:50:52,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:52,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:50:52,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 02:50:52,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:52,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2023-12-03 02:50:52,370 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2023-12-03 02:50:52,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 02:50:52,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:52,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:52,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:52,373 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:52,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 02:50:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:52,673 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:52,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 02:50:52,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:53,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:50:53,028 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:50:53,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 02:50:53,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:53,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2023-12-03 02:50:53,459 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2023-12-03 02:50:53,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 02:50:53,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:53,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:53,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:53,460 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:53,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 02:50:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:53,663 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:53,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:50:53,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:53,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:50:53,718 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:50:53,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 02:50:53,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:53,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 36 states and 41 transitions. [2023-12-03 02:50:53,726 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2023-12-03 02:50:53,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 02:50:53,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:53,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:53,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:53,728 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:53,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 02:50:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:54,113 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:54,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 02:50:54,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:54,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:50:54,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 02:50:56,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:51:03,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:51:03,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:03,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-12-03 02:51:03,245 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-12-03 02:51:03,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 02:51:03,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:03,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:03,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:03,247 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:03,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 02:51:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:03,813 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:03,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 02:51:03,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:04,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:51:04,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 02:51:07,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:51:09,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:09,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 27 states and 29 transitions. [2023-12-03 02:51:09,441 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2023-12-03 02:51:09,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 02:51:09,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:09,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:09,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:09,443 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:09,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 02:51:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:09,666 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:09,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:51:09,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:09,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:51:09,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 02:51:09,717 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:51:09,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:09,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2023-12-03 02:51:09,724 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2023-12-03 02:51:09,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 02:51:09,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:09,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:09,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:09,726 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:09,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 02:51:10,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:10,427 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:10,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-03 02:51:10,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:10,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2023-12-03 02:51:11,021 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2023-12-03 02:51:11,022 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 25 [2023-12-03 02:51:11,052 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:51:11,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 38 [2023-12-03 02:51:12,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:51:12,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2023-12-03 02:51:18,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:51:21,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:51:24,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:51:29,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:51:31,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:51:35,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:51:40,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:40,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2023-12-03 02:51:40,922 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2023-12-03 02:51:40,923 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 02:51:40,923 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2023-12-03 02:51:40,929 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 02:51:41,365 INFO L560 CodeCheckObserver]: Invariant with dag size 36 [2023-12-03 02:51:41,369 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_117 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: #res == ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]) && ~fp~64(v_skolemized_q#valueAsBitvector_117[63:63], v_skolemized_q#valueAsBitvector_117[62:52], v_skolemized_q#valueAsBitvector_117[51:0]) == ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64())) could not be translated [2023-12-03 02:51:41,369 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0]) == #res) could not be translated [2023-12-03 02:51:41,370 INFO L560 CodeCheckObserver]: Invariant with dag size 27 [2023-12-03 02:51:41,370 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_117 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: (~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]) == ~x && ~fp.eq~64(~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]), ~fp.neg~64(~Pluszero~64()))) && ~fp~64(v_skolemized_q#valueAsBitvector_117[63:63], v_skolemized_q#valueAsBitvector_117[62:52], v_skolemized_q#valueAsBitvector_117[51:0]) == ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64())) could not be translated [2023-12-03 02:51:41,371 INFO L560 CodeCheckObserver]: Invariant with dag size 34 [2023-12-03 02:51:41,372 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_117 : bv64, v_skolemized_q#valueAsBitvector_118 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: ((v_skolemized_q#valueAsBitvector_118[63:32] == ~msw~0 && ~fp~64(v_skolemized_q#valueAsBitvector_118[63:63], v_skolemized_q#valueAsBitvector_118[62:52], v_skolemized_q#valueAsBitvector_118[51:0]) == ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0])) && ~fp.eq~64(~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]), ~fp.neg~64(~Pluszero~64()))) && ~fp~64(v_skolemized_q#valueAsBitvector_117[63:63], v_skolemized_q#valueAsBitvector_117[62:52], v_skolemized_q#valueAsBitvector_117[51:0]) == ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64())) could not be translated [2023-12-03 02:51:41,372 INFO L560 CodeCheckObserver]: Invariant with dag size 36 [2023-12-03 02:51:41,373 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~res~0 == ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0])) could not be translated [2023-12-03 02:51:41,373 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_117 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: ~res~0 == ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]) && ~fp~64(v_skolemized_q#valueAsBitvector_117[63:63], v_skolemized_q#valueAsBitvector_117[62:52], v_skolemized_q#valueAsBitvector_117[51:0]) == ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64())) could not be translated [2023-12-03 02:51:41,373 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2023-12-03 02:51:41,373 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64())) could not be translated [2023-12-03 02:51:41,373 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2023-12-03 02:51:41,374 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64())) could not be translated [2023-12-03 02:51:41,374 INFO L560 CodeCheckObserver]: Invariant with dag size 36 [2023-12-03 02:51:41,374 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~res~0 == ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0])) could not be translated [2023-12-03 02:51:41,374 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_117 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: ~res~0 == ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]) && ~fp~64(v_skolemized_q#valueAsBitvector_117[63:63], v_skolemized_q#valueAsBitvector_117[62:52], v_skolemized_q#valueAsBitvector_117[51:0]) == ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64())) could not be translated [2023-12-03 02:51:41,374 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 02:51:41,376 INFO L560 CodeCheckObserver]: Invariant with dag size 23 [2023-12-03 02:51:41,377 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_15 : bv32, v_skolemized_q#valueAsBitvector_117 : bv64, currentRoundingMode : FloatRoundingMode :: (#memory_int[v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_15][4bv32] == ~high~1 && v_skolemized_q#valueAsBitvector_117[63:32] == #memory_int[v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_15][4bv32]) && ~fp~64(v_skolemized_q#valueAsBitvector_117[63:63], v_skolemized_q#valueAsBitvector_117[62:52], v_skolemized_q#valueAsBitvector_117[51:0]) == ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64())) could not be translated [2023-12-03 02:51:41,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:51:41 ImpRootNode [2023-12-03 02:51:41,377 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:51:41,378 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:51:41,378 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:51:41,378 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:51:41,378 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:50:50" (3/4) ... [2023-12-03 02:51:41,380 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 02:51:41,389 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2023-12-03 02:51:41,389 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-12-03 02:51:41,390 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 02:51:41,390 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 02:51:41,490 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 02:51:41,491 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 02:51:41,491 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:51:41,492 INFO L158 Benchmark]: Toolchain (without parser) took 54102.57ms. Allocated memory was 88.1MB in the beginning and 125.8MB in the end (delta: 37.7MB). Free memory was 64.0MB in the beginning and 35.6MB in the end (delta: 28.5MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. [2023-12-03 02:51:41,492 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 88.1MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:51:41,493 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.80ms. Allocated memory is still 88.1MB. Free memory was 63.8MB in the beginning and 50.3MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 02:51:41,493 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.07ms. Allocated memory is still 88.1MB. Free memory was 50.1MB in the beginning and 47.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:51:41,493 INFO L158 Benchmark]: Boogie Preprocessor took 44.91ms. Allocated memory is still 88.1MB. Free memory was 47.7MB in the beginning and 45.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:51:41,494 INFO L158 Benchmark]: RCFGBuilder took 3067.91ms. Allocated memory was 88.1MB in the beginning and 125.8MB in the end (delta: 37.7MB). Free memory was 45.4MB in the beginning and 80.9MB in the end (delta: -35.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 02:51:41,494 INFO L158 Benchmark]: CodeCheck took 50522.17ms. Allocated memory is still 125.8MB. Free memory was 80.9MB in the beginning and 41.9MB in the end (delta: 39.0MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2023-12-03 02:51:41,495 INFO L158 Benchmark]: Witness Printer took 113.58ms. Allocated memory is still 125.8MB. Free memory was 41.9MB in the beginning and 35.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 02:51:41,497 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 1 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 50.0s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1066 SdHoareTripleChecker+Valid, 67.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 512 SdHoareTripleChecker+Invalid, 64.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 50 mSDsCounter, 94 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 357 IncrementalHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 94 mSolverCounterUnsat, 462 mSDtfsCounter, 357 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1500 GetRequests, 1444 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 498 ImplicationChecksByTransitivity, 14.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 198 NumberOfCodeBlocks, 198 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 187 ConstructedInterpolants, 36 QuantifiedInterpolants, 1205 SizeOfPredicates, 39 NumberOfNonLiveVariables, 1009 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 - PositiveResult [Line: 152]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 88.1MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.80ms. Allocated memory is still 88.1MB. Free memory was 63.8MB in the beginning and 50.3MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.07ms. Allocated memory is still 88.1MB. Free memory was 50.1MB in the beginning and 47.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.91ms. Allocated memory is still 88.1MB. Free memory was 47.7MB in the beginning and 45.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3067.91ms. Allocated memory was 88.1MB in the beginning and 125.8MB in the end (delta: 37.7MB). Free memory was 45.4MB in the beginning and 80.9MB in the end (delta: -35.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * CodeCheck took 50522.17ms. Allocated memory is still 125.8MB. Free memory was 80.9MB in the beginning and 41.9MB in the end (delta: 39.0MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. * Witness Printer took 113.58ms. Allocated memory is still 125.8MB. Free memory was 41.9MB in the beginning and 35.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_117 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: #res == ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]) && ~fp~64(v_skolemized_q#valueAsBitvector_117[63:63], v_skolemized_q#valueAsBitvector_117[62:52], v_skolemized_q#valueAsBitvector_117[51:0]) == ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0]) == #res) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_117 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: (~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]) == ~x && ~fp.eq~64(~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]), ~fp.neg~64(~Pluszero~64()))) && ~fp~64(v_skolemized_q#valueAsBitvector_117[63:63], v_skolemized_q#valueAsBitvector_117[62:52], v_skolemized_q#valueAsBitvector_117[51:0]) == ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_117 : bv64, v_skolemized_q#valueAsBitvector_118 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: ((v_skolemized_q#valueAsBitvector_118[63:32] == ~msw~0 && ~fp~64(v_skolemized_q#valueAsBitvector_118[63:63], v_skolemized_q#valueAsBitvector_118[62:52], v_skolemized_q#valueAsBitvector_118[51:0]) == ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0])) && ~fp.eq~64(~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]), ~fp.neg~64(~Pluszero~64()))) && ~fp~64(v_skolemized_q#valueAsBitvector_117[63:63], v_skolemized_q#valueAsBitvector_117[62:52], v_skolemized_q#valueAsBitvector_117[51:0]) == ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~res~0 == ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_117 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: ~res~0 == ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]) && ~fp~64(v_skolemized_q#valueAsBitvector_117[63:63], v_skolemized_q#valueAsBitvector_117[62:52], v_skolemized_q#valueAsBitvector_117[51:0]) == ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_modf_double_~high~1#1 : bv32 :: ~res~0 == ~fp~64((~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(ULTIMATE.start_modf_double_~high~1#1, 2147483648bv32) ++ 0bv32)[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_117 : bv64, v_arrayElimCell_4 : bv32, currentRoundingMode : FloatRoundingMode :: ~res~0 == ~fp~64((~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[63:63], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[62:52], (~bvand~32(v_skolemized_q#valueAsBitvector_117[63:32], 2147483648bv32) ++ v_arrayElimCell_4)[51:0]) && ~fp~64(v_skolemized_q#valueAsBitvector_117[63:63], v_skolemized_q#valueAsBitvector_117[62:52], v_skolemized_q#valueAsBitvector_117[51:0]) == ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_15 : bv32, v_skolemized_q#valueAsBitvector_117 : bv64, currentRoundingMode : FloatRoundingMode :: (#memory_int[v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_15][4bv32] == ~high~1 && v_skolemized_q#valueAsBitvector_117[63:32] == #memory_int[v_ULTIMATE.start_modf_double_~#gh_u~1#1.base_15][4bv32]) && ~fp~64(v_skolemized_q#valueAsBitvector_117[63:63], v_skolemized_q#valueAsBitvector_117[62:52], v_skolemized_q#valueAsBitvector_117[51:0]) == ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64())) could not be translated RESULT: Ultimate proved your program to be correct! [2023-12-03 02:51:41,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bddb1fa-ea9e-4865-9a1f-518922d8d902/bin/ukojak-verify-Qdu7aM0XO9/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 Writing output log to file Ultimate.log Result: TRUE