./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1052c.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1052c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fe40b084b828df43825fca15d2dd06822fb39893b54cde36c5f06a988fda4d8b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:42:11,724 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:42:11,805 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:42:11,811 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:42:11,812 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:42:11,841 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:42:11,842 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:42:11,843 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:42:11,844 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:42:11,845 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:42:11,846 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:42:11,846 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:42:11,847 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:42:11,848 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:42:11,848 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:42:11,849 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:42:11,849 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:42:11,850 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:42:11,851 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:42:11,851 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:42:11,852 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:42:11,853 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:42:11,853 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:42:11,854 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:42:11,854 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:42:11,855 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:42:11,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:42:11,856 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:42:11,856 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:42:11,857 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:42:11,857 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:42:11,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:42:11,858 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:42:11,859 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_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe40b084b828df43825fca15d2dd06822fb39893b54cde36c5f06a988fda4d8b [2023-11-19 03:42:12,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:42:12,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:42:12,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:42:12,160 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:42:12,162 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:42:12,164 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/float_req_bl_1052c.c [2023-11-19 03:42:15,742 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:42:16,046 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:42:16,047 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/sv-benchmarks/c/float-newlib/float_req_bl_1052c.c [2023-11-19 03:42:16,057 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/data/acfbd2861/c3e910e619fe4f58b104001a8fec636e/FLAG4e8ea5c01 [2023-11-19 03:42:16,077 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/data/acfbd2861/c3e910e619fe4f58b104001a8fec636e [2023-11-19 03:42:16,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:42:16,091 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:42:16,092 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:42:16,093 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:42:16,100 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:42:16,101 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:42:16" (1/1) ... [2023-11-19 03:42:16,103 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7647c570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:16, skipping insertion in model container [2023-11-19 03:42:16,104 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:42:16" (1/1) ... [2023-11-19 03:42:16,137 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:42:16,391 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_cff7b0f9-0662-4240-bab7-51df51c6300c/sv-benchmarks/c/float-newlib/float_req_bl_1052c.c[1741,1754] [2023-11-19 03:42:16,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:42:16,409 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:42:16,445 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_cff7b0f9-0662-4240-bab7-51df51c6300c/sv-benchmarks/c/float-newlib/float_req_bl_1052c.c[1741,1754] [2023-11-19 03:42:16,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:42:16,465 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:42:16,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:16 WrapperNode [2023-11-19 03:42:16,466 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:42:16,468 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:42:16,468 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:42:16,468 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:42:16,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:16" (1/1) ... [2023-11-19 03:42:16,489 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:16" (1/1) ... [2023-11-19 03:42:16,521 INFO L138 Inliner]: procedures = 16, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 121 [2023-11-19 03:42:16,522 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:42:16,523 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:42:16,523 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:42:16,523 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:42:16,535 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:16" (1/1) ... [2023-11-19 03:42:16,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:16" (1/1) ... [2023-11-19 03:42:16,539 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:16" (1/1) ... [2023-11-19 03:42:16,540 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:16" (1/1) ... [2023-11-19 03:42:16,549 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:16" (1/1) ... [2023-11-19 03:42:16,555 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:16" (1/1) ... [2023-11-19 03:42:16,557 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:16" (1/1) ... [2023-11-19 03:42:16,559 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:16" (1/1) ... [2023-11-19 03:42:16,563 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:42:16,564 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:42:16,565 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:42:16,565 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:42:16,566 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:16" (1/1) ... [2023-11-19 03:42:16,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:42:16,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:42:16,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:42:16,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:42:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:42:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:42:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:42:16,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 03:42:16,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:42:16,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 03:42:16,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:42:16,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:42:16,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:42:16,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:42:16,758 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:42:16,761 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:42:17,107 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:42:17,371 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:42:17,371 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 03:42:17,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:42:17 BoogieIcfgContainer [2023-11-19 03:42:17,384 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:42:17,385 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:42:17,393 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:42:17,406 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:42:17,407 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:42:17" (1/1) ... [2023-11-19 03:42:17,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:42:17,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:17,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2023-11-19 03:42:17,479 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2023-11-19 03:42:17,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:42:17,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:17,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:17,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:42:17,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:17,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2023-11-19 03:42:17,720 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2023-11-19 03:42:17,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:42:17,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:17,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:42:17,823 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:42:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:42:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:42:18,010 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:42:18,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:42:18,047 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:42:18,078 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short13 could not be translated [2023-11-19 03:42:18,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:42:18 ImpRootNode [2023-11-19 03:42:18,087 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:42:18,088 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:42:18,088 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:42:18,089 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:42:18,089 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:42:17" (3/4) ... [2023-11-19 03:42:18,093 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:42:18,095 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:42:18,097 INFO L158 Benchmark]: Toolchain (without parser) took 2005.24ms. Allocated memory was 159.4MB in the beginning and 207.6MB in the end (delta: 48.2MB). Free memory was 111.4MB in the beginning and 146.9MB in the end (delta: -35.5MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2023-11-19 03:42:18,098 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 159.4MB. Free memory was 105.3MB in the beginning and 105.1MB in the end (delta: 151.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:42:18,099 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.67ms. Allocated memory is still 159.4MB. Free memory was 111.1MB in the beginning and 99.9MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:42:18,100 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.96ms. Allocated memory is still 159.4MB. Free memory was 99.9MB in the beginning and 98.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:42:18,102 INFO L158 Benchmark]: Boogie Preprocessor took 40.81ms. Allocated memory is still 159.4MB. Free memory was 98.1MB in the beginning and 96.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:42:18,103 INFO L158 Benchmark]: RCFGBuilder took 820.00ms. Allocated memory was 159.4MB in the beginning and 207.6MB in the end (delta: 48.2MB). Free memory was 96.4MB in the beginning and 167.9MB in the end (delta: -71.5MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2023-11-19 03:42:18,112 INFO L158 Benchmark]: CodeCheck took 701.55ms. Allocated memory is still 207.6MB. Free memory was 166.9MB in the beginning and 146.9MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:42:18,113 INFO L158 Benchmark]: Witness Printer took 7.36ms. Allocated memory is still 207.6MB. Free memory is still 146.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:42:18,121 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, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 82]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 81, overapproximation of someUnaryFLOAToperation at line 77, overapproximation of someBinaryArithmeticFLOAToperation at line 46. Possible FailurePath: [L13] static const float huge_floor = 1.0e30; [L77] float x = -0.0f; [L78] CALL, EXPR floor_float(x) [L16] __int32_t i0, j0; [L17] __uint32_t i, ix; VAL [\old(x)=2, huge_floor=1000000000000000000000000000000, x=2] [L19] ieee_float_shape_type gf_u; [L20] EXPR gf_u.value = (x) [L21] EXPR gf_u.word [L21] EXPR (i0) = gf_u.word [L18-L22] { ieee_float_shape_type gf_u; gf_u.value = (x); (i0) = gf_u.word; } VAL [\old(x)=2, huge_floor=1000000000000000000000000000000, i0=2139095039, x=2] [L23] ix = (i0 & 0x7fffffff) [L24] j0 = (ix >> 23) - 0x7f VAL [\old(x)=2, huge_floor=1000000000000000000000000000000, i0=2139095039, i=2139095039, j0=127, x=2] [L25] COND FALSE !(j0 < 23) [L45] COND FALSE !(!((ix) < 0x7f800000L)) [L48] return x; VAL [\old(x)=2, \result=2, huge_floor=1000000000000000000000000000000, i0=2139095039, i=2139095039, j0=127, x=2] [L78] RET, EXPR floor_float(x) [L78] float res = floor_float(x); [L81] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [huge_floor=1000000000000000000000000000000, res=2, x=2] [L81] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L82] reach_error() VAL [huge_floor=1000000000000000000000000000000, res=2, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 159.4MB. Free memory was 105.3MB in the beginning and 105.1MB in the end (delta: 151.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.67ms. Allocated memory is still 159.4MB. Free memory was 111.1MB in the beginning and 99.9MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.96ms. Allocated memory is still 159.4MB. Free memory was 99.9MB in the beginning and 98.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.81ms. Allocated memory is still 159.4MB. Free memory was 98.1MB in the beginning and 96.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 820.00ms. Allocated memory was 159.4MB in the beginning and 207.6MB in the end (delta: 48.2MB). Free memory was 96.4MB in the beginning and 167.9MB in the end (delta: -71.5MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. * CodeCheck took 701.55ms. Allocated memory is still 207.6MB. Free memory was 166.9MB in the beginning and 146.9MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 7.36ms. Allocated memory is still 207.6MB. Free memory is still 146.9MB. 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~short13 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 [2023-11-19 03:42:18,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1052c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fe40b084b828df43825fca15d2dd06822fb39893b54cde36c5f06a988fda4d8b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:42:21,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:42:21,577 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:42:21,633 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:42:21,635 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:42:21,636 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:42:21,637 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:42:21,638 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:42:21,639 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:42:21,645 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:42:21,645 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:42:21,646 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:42:21,646 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:42:21,648 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:42:21,649 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:42:21,649 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:42:21,650 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:42:21,650 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:42:21,651 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:42:21,652 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:42:21,652 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:42:21,653 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:42:21,653 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:42:21,654 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:42:21,654 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:42:21,655 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:42:21,655 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:42:21,656 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:42:21,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:42:21,657 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:42:21,658 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:42:21,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:42:21,659 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:42:21,659 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:42:21,660 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:42:21,660 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:42:21,660 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:42:21,660 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_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe40b084b828df43825fca15d2dd06822fb39893b54cde36c5f06a988fda4d8b [2023-11-19 03:42:22,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:42:22,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:42:22,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:42:22,196 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:42:22,197 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:42:22,199 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/float_req_bl_1052c.c [2023-11-19 03:42:25,537 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:42:25,884 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:42:25,885 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/sv-benchmarks/c/float-newlib/float_req_bl_1052c.c [2023-11-19 03:42:25,895 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/data/8cffaee1f/03743efdcea94218a1bb736c0fdd3410/FLAG3e72ea4cd [2023-11-19 03:42:25,914 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/data/8cffaee1f/03743efdcea94218a1bb736c0fdd3410 [2023-11-19 03:42:25,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:42:25,919 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:42:25,921 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:42:25,921 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:42:25,927 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:42:25,928 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:42:25" (1/1) ... [2023-11-19 03:42:25,929 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47dee93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:25, skipping insertion in model container [2023-11-19 03:42:25,930 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:42:25" (1/1) ... [2023-11-19 03:42:25,960 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:42:26,174 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_cff7b0f9-0662-4240-bab7-51df51c6300c/sv-benchmarks/c/float-newlib/float_req_bl_1052c.c[1741,1754] [2023-11-19 03:42:26,180 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:42:26,200 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:42:26,233 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_cff7b0f9-0662-4240-bab7-51df51c6300c/sv-benchmarks/c/float-newlib/float_req_bl_1052c.c[1741,1754] [2023-11-19 03:42:26,234 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:42:26,257 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:42:26,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:26 WrapperNode [2023-11-19 03:42:26,258 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:42:26,260 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:42:26,260 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:42:26,260 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:42:26,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:26" (1/1) ... [2023-11-19 03:42:26,302 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:26" (1/1) ... [2023-11-19 03:42:26,348 INFO L138 Inliner]: procedures = 19, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 98 [2023-11-19 03:42:26,349 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:42:26,350 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:42:26,351 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:42:26,352 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:42:26,363 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:26" (1/1) ... [2023-11-19 03:42:26,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:26" (1/1) ... [2023-11-19 03:42:26,380 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:26" (1/1) ... [2023-11-19 03:42:26,381 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:26" (1/1) ... [2023-11-19 03:42:26,404 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:26" (1/1) ... [2023-11-19 03:42:26,416 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:26" (1/1) ... [2023-11-19 03:42:26,422 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:26" (1/1) ... [2023-11-19 03:42:26,436 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:26" (1/1) ... [2023-11-19 03:42:26,441 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:42:26,443 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:42:26,450 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:42:26,451 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:42:26,452 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:26" (1/1) ... [2023-11-19 03:42:26,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:42:26,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:42:26,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:42:26,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:42:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:42:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:42:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:42:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 03:42:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:42:26,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:42:26,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:42:26,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 03:42:26,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:42:26,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:42:26,710 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:42:26,714 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:42:27,620 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:42:27,746 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:42:27,746 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 03:42:27,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:42:27 BoogieIcfgContainer [2023-11-19 03:42:27,754 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:42:27,756 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:42:27,756 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:42:27,768 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:42:27,769 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:42:27" (1/1) ... [2023-11-19 03:42:27,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:42:27,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:27,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2023-11-19 03:42:27,871 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2023-11-19 03:42:27,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:42:27,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:27,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:42:27,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:42:27,881 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:42:27,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:42:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:28,082 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:42:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:28,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:42:28,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:28,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:42:28,141 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:42:28,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-19 03:42:28,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:28,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2023-11-19 03:42:28,270 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2023-11-19 03:42:28,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:42:28,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:28,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:42:28,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:42:28,276 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:42:28,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:42:28,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:28,570 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:42:28,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:28,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:42:28,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:28,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-19 03:42:28,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2023-11-19 03:42:28,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:42:28,812 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:42:28,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-19 03:42:29,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:29,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2023-11-19 03:42:29,051 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2023-11-19 03:42:29,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:42:29,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:29,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:42:29,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:42:29,054 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:42:29,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 03:42:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:29,301 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:42:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:29,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:42:29,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:29,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:42:29,460 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:42:29,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 03:42:30,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:30,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2023-11-19 03:42:30,280 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2023-11-19 03:42:30,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:42:30,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:30,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:42:30,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:42:30,283 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:42:30,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 03:42:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:30,543 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:42:30,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:30,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:42:30,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:30,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:42:30,598 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:42:30,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-19 03:42:30,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:30,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2023-11-19 03:42:30,615 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2023-11-19 03:42:30,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:42:30,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:30,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:42:30,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:42:30,622 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:42:30,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-19 03:42:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:30,810 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:42:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:30,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:42:30,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:30,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:42:30,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-19 03:42:30,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:30,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2023-11-19 03:42:30,874 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2023-11-19 03:42:30,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:42:30,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:30,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:42:30,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:42:30,879 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:42:30,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-19 03:42:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:31,291 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:42:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:31,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:42:31,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:31,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-19 03:42:36,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 35 [2023-11-19 03:42:36,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:42:36,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-11-19 03:42:39,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:39,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 19 states and 18 transitions. [2023-11-19 03:42:39,511 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2023-11-19 03:42:39,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:42:39,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:39,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:42:39,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:42:39,515 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:42:39,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-19 03:42:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:39,978 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:42:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:40,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:42:40,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:40,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-19 03:42:40,680 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-19 03:42:40,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 40 [2023-11-19 03:42:44,251 INFO L349 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2023-11-19 03:42:44,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 115 treesize of output 70 [2023-11-19 03:42:44,271 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-19 03:42:44,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 107 treesize of output 47 [2023-11-19 03:42:45,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:42:45,454 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:42:45,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-19 03:43:02,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:02,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 17 states and 16 transitions. [2023-11-19 03:43:02,162 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2023-11-19 03:43:02,163 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:43:02,163 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2023-11-19 03:43:02,171 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:43:02,541 INFO L560 CodeCheckObserver]: Invariant with dag size 31 [2023-11-19 03:43:02,549 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ~huge_floor~0 : C_FLOAT, v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20 : bv32, v_ULTIMATE.start_floor_float_~#sf_u~0#1.base_14 : bv32, currentRoundingMode : FloatRoundingMode :: ((#res == ~fp~32(#memory_int[v_ULTIMATE.start_floor_float_~#sf_u~0#1.base_14][0bv32][31:31], #memory_int[v_ULTIMATE.start_floor_float_~#sf_u~0#1.base_14][0bv32][30:23], #memory_int[v_ULTIMATE.start_floor_float_~#sf_u~0#1.base_14][0bv32][22:0]) && #memory_int[v_ULTIMATE.start_floor_float_~#sf_u~0#1.base_14][0bv32] == #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32]) && !~fp.gt~32(~fp.add~32(currentRoundingMode, ~huge_floor~0, ~fp~32(#memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][31:31], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][30:23], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][22:0])), ~to_fp~32(currentRoundingMode, ~Pluszero~64()))) && ~fp.neg~32(~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][31:31], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][30:23], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][22:0])) could not be translated [2023-11-19 03:43:02,551 INFO L560 CodeCheckObserver]: Invariant with dag size 23 [2023-11-19 03:43:02,552 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ~huge_floor~0 : C_FLOAT, v_arrayElimCell_7 : bv32, currentRoundingMode : FloatRoundingMode :: (~fp~32(v_arrayElimCell_7[31:31], v_arrayElimCell_7[30:23], v_arrayElimCell_7[22:0]) == ~fp~32(~w~0[31:31], ~w~0[30:23], ~w~0[22:0]) && ~fp~32(v_arrayElimCell_7[31:31], v_arrayElimCell_7[30:23], v_arrayElimCell_7[22:0]) == ~fp.neg~32(~Pluszero~32())) && !~fp.gt~32(~fp.add~32(currentRoundingMode, ~huge_floor~0, ~fp~32(v_arrayElimCell_7[31:31], v_arrayElimCell_7[30:23], v_arrayElimCell_7[22:0])), ~to_fp~32(currentRoundingMode, ~Pluszero~64()))) could not be translated [2023-11-19 03:43:02,552 INFO L560 CodeCheckObserver]: Invariant with dag size 24 [2023-11-19 03:43:02,554 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20 : bv32 :: ((exists ~huge_floor~0 : C_FLOAT, currentRoundingMode : FloatRoundingMode :: !~fp.gt~32(~fp.add~32(currentRoundingMode, ~huge_floor~0, ~fp~32(#memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][31:31], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][30:23], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][22:0])), ~to_fp~32(currentRoundingMode, ~Pluszero~64()))) && ~i0~0 == #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32]) && ~fp.neg~32(~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][31:31], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][30:23], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][22:0])) could not be translated [2023-11-19 03:43:02,554 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:43:02,556 INFO L560 CodeCheckObserver]: Invariant with dag size 4 [2023-11-19 03:43:02,557 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2023-11-19 03:43:02,558 INFO L560 CodeCheckObserver]: Invariant with dag size 31 [2023-11-19 03:43:02,560 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ~huge_floor~0 : C_FLOAT, v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20 : bv32, v_ULTIMATE.start_floor_float_~#sf_u~0#1.base_14 : bv32, currentRoundingMode : FloatRoundingMode :: ((~fp~32(#memory_int[v_ULTIMATE.start_floor_float_~#sf_u~0#1.base_14][0bv32][31:31], #memory_int[v_ULTIMATE.start_floor_float_~#sf_u~0#1.base_14][0bv32][30:23], #memory_int[v_ULTIMATE.start_floor_float_~#sf_u~0#1.base_14][0bv32][22:0]) == ~x && #memory_int[v_ULTIMATE.start_floor_float_~#sf_u~0#1.base_14][0bv32] == #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32]) && !~fp.gt~32(~fp.add~32(currentRoundingMode, ~huge_floor~0, ~fp~32(#memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][31:31], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][30:23], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][22:0])), ~to_fp~32(currentRoundingMode, ~Pluszero~64()))) && ~fp.neg~32(~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][31:31], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][30:23], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][22:0])) could not be translated [2023-11-19 03:43:02,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:43:02 ImpRootNode [2023-11-19 03:43:02,560 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:43:02,561 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:43:02,561 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:43:02,562 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:43:02,562 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:42:27" (3/4) ... [2023-11-19 03:43:02,565 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:43:02,575 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-19 03:43:02,575 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-19 03:43:02,576 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:43:02,576 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:43:02,697 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:43:02,698 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:43:02,698 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:43:02,699 INFO L158 Benchmark]: Toolchain (without parser) took 36780.10ms. Allocated memory is still 104.9MB. Free memory was 81.0MB in the beginning and 59.3MB in the end (delta: 21.7MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2023-11-19 03:43:02,700 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 75.5MB. Free memory is still 51.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:43:02,700 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.96ms. Allocated memory is still 104.9MB. Free memory was 80.8MB in the beginning and 69.0MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:43:02,701 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.26ms. Allocated memory is still 104.9MB. Free memory was 69.0MB in the beginning and 67.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:43:02,701 INFO L158 Benchmark]: Boogie Preprocessor took 91.28ms. Allocated memory is still 104.9MB. Free memory was 67.2MB in the beginning and 65.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:43:02,702 INFO L158 Benchmark]: RCFGBuilder took 1311.34ms. Allocated memory is still 104.9MB. Free memory was 65.4MB in the beginning and 71.8MB in the end (delta: -6.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:43:02,703 INFO L158 Benchmark]: CodeCheck took 34804.89ms. Allocated memory is still 104.9MB. Free memory was 71.8MB in the beginning and 64.4MB in the end (delta: 7.4MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2023-11-19 03:43:02,703 INFO L158 Benchmark]: Witness Printer took 137.23ms. Allocated memory is still 104.9MB. Free memory was 63.5MB in the beginning and 59.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:43:02,706 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, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 34.4s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 320 SdHoareTripleChecker+Valid, 7.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 83 mSDsluCounter, 186 SdHoareTripleChecker+Invalid, 7.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 60 mSDsCounter, 79 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 351 IncrementalHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 79 mSolverCounterUnsat, 126 mSDtfsCounter, 351 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 661 GetRequests, 607 SyntacticMatches, 6 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 768 ImplicationChecksByTransitivity, 25.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 10.7s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 75 ConstructedInterpolants, 18 QuantifiedInterpolants, 1080 SizeOfPredicates, 40 NumberOfNonLiveVariables, 322 ConjunctsInSsa, 67 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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: 82]: 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: 15]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 75.5MB. Free memory is still 51.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.96ms. Allocated memory is still 104.9MB. Free memory was 80.8MB in the beginning and 69.0MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.26ms. Allocated memory is still 104.9MB. Free memory was 69.0MB in the beginning and 67.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 91.28ms. Allocated memory is still 104.9MB. Free memory was 67.2MB in the beginning and 65.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1311.34ms. Allocated memory is still 104.9MB. Free memory was 65.4MB in the beginning and 71.8MB in the end (delta: -6.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 34804.89ms. Allocated memory is still 104.9MB. Free memory was 71.8MB in the beginning and 64.4MB in the end (delta: 7.4MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * Witness Printer took 137.23ms. Allocated memory is still 104.9MB. Free memory was 63.5MB in the beginning and 59.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ~huge_floor~0 : C_FLOAT, v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20 : bv32, v_ULTIMATE.start_floor_float_~#sf_u~0#1.base_14 : bv32, currentRoundingMode : FloatRoundingMode :: ((#res == ~fp~32(#memory_int[v_ULTIMATE.start_floor_float_~#sf_u~0#1.base_14][0bv32][31:31], #memory_int[v_ULTIMATE.start_floor_float_~#sf_u~0#1.base_14][0bv32][30:23], #memory_int[v_ULTIMATE.start_floor_float_~#sf_u~0#1.base_14][0bv32][22:0]) && #memory_int[v_ULTIMATE.start_floor_float_~#sf_u~0#1.base_14][0bv32] == #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32]) && !~fp.gt~32(~fp.add~32(currentRoundingMode, ~huge_floor~0, ~fp~32(#memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][31:31], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][30:23], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][22:0])), ~to_fp~32(currentRoundingMode, ~Pluszero~64()))) && ~fp.neg~32(~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][31:31], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][30:23], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][22:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ~huge_floor~0 : C_FLOAT, v_arrayElimCell_7 : bv32, currentRoundingMode : FloatRoundingMode :: (~fp~32(v_arrayElimCell_7[31:31], v_arrayElimCell_7[30:23], v_arrayElimCell_7[22:0]) == ~fp~32(~w~0[31:31], ~w~0[30:23], ~w~0[22:0]) && ~fp~32(v_arrayElimCell_7[31:31], v_arrayElimCell_7[30:23], v_arrayElimCell_7[22:0]) == ~fp.neg~32(~Pluszero~32())) && !~fp.gt~32(~fp.add~32(currentRoundingMode, ~huge_floor~0, ~fp~32(v_arrayElimCell_7[31:31], v_arrayElimCell_7[30:23], v_arrayElimCell_7[22:0])), ~to_fp~32(currentRoundingMode, ~Pluszero~64()))) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20 : bv32 :: ((exists ~huge_floor~0 : C_FLOAT, currentRoundingMode : FloatRoundingMode :: !~fp.gt~32(~fp.add~32(currentRoundingMode, ~huge_floor~0, ~fp~32(#memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][31:31], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][30:23], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][22:0])), ~to_fp~32(currentRoundingMode, ~Pluszero~64()))) && ~i0~0 == #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32]) && ~fp.neg~32(~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][31:31], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][30:23], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][22:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ~huge_floor~0 : C_FLOAT, v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20 : bv32, v_ULTIMATE.start_floor_float_~#sf_u~0#1.base_14 : bv32, currentRoundingMode : FloatRoundingMode :: ((~fp~32(#memory_int[v_ULTIMATE.start_floor_float_~#sf_u~0#1.base_14][0bv32][31:31], #memory_int[v_ULTIMATE.start_floor_float_~#sf_u~0#1.base_14][0bv32][30:23], #memory_int[v_ULTIMATE.start_floor_float_~#sf_u~0#1.base_14][0bv32][22:0]) == ~x && #memory_int[v_ULTIMATE.start_floor_float_~#sf_u~0#1.base_14][0bv32] == #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32]) && !~fp.gt~32(~fp.add~32(currentRoundingMode, ~huge_floor~0, ~fp~32(#memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][31:31], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][30:23], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][22:0])), ~to_fp~32(currentRoundingMode, ~Pluszero~64()))) && ~fp.neg~32(~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][31:31], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][30:23], #memory_int[v_ULTIMATE.start_floor_float_~#gf_u~0#1.base_20][0bv32][22:0])) could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-19 03:43:02,951 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-11-19 03:43:02,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff7b0f9-0662-4240-bab7-51df51c6300c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE