./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1032d.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_3e952a52-d668-4b50-8694-391dac99f8a6/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/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_3e952a52-d668-4b50-8694-391dac99f8a6/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1032d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/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_3e952a52-d668-4b50-8694-391dac99f8a6/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 fe21f92d149d9e0056822eb7bda6d756c9c1bed4285c287108aa0b8294aaabc8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:13:27,342 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:13:27,456 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:13:27,462 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:13:27,463 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:13:27,491 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:13:27,492 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:13:27,492 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:13:27,493 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:13:27,494 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:13:27,494 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:13:27,495 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:13:27,495 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:13:27,496 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:13:27,496 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:13:27,497 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:13:27,497 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:13:27,498 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:13:27,498 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:13:27,499 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:13:27,499 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:13:27,502 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:13:27,503 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:13:27,503 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:13:27,504 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:13:27,504 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:13:27,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:27,505 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:13:27,506 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:13:27,506 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:13:27,507 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:13:27,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:13:27,508 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:13:27,508 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_3e952a52-d668-4b50-8694-391dac99f8a6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe21f92d149d9e0056822eb7bda6d756c9c1bed4285c287108aa0b8294aaabc8 [2023-11-19 03:13:27,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:13:27,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:13:27,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:13:27,869 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:13:27,869 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:13:27,871 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/double_req_bl_1032d.c [2023-11-19 03:13:30,909 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:13:31,130 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:13:31,131 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/sv-benchmarks/c/float-newlib/double_req_bl_1032d.c [2023-11-19 03:13:31,141 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/bin/ukojak-verify-G8NBE6pJGL/data/dd50068b9/812398028f90409b9ee176f04c03bac7/FLAG0689f2fc2 [2023-11-19 03:13:31,160 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/bin/ukojak-verify-G8NBE6pJGL/data/dd50068b9/812398028f90409b9ee176f04c03bac7 [2023-11-19 03:13:31,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:13:31,174 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:13:31,176 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:31,176 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:13:31,181 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:13:31,182 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:31" (1/1) ... [2023-11-19 03:13:31,184 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3839ad0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:31, skipping insertion in model container [2023-11-19 03:13:31,184 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:31" (1/1) ... [2023-11-19 03:13:31,206 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:13:31,388 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_3e952a52-d668-4b50-8694-391dac99f8a6/sv-benchmarks/c/float-newlib/double_req_bl_1032d.c[2356,2369] [2023-11-19 03:13:31,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:31,403 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:13:31,438 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_3e952a52-d668-4b50-8694-391dac99f8a6/sv-benchmarks/c/float-newlib/double_req_bl_1032d.c[2356,2369] [2023-11-19 03:13:31,439 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:31,457 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:13:31,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:31 WrapperNode [2023-11-19 03:13:31,458 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:31,460 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:31,460 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:13:31,460 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:13:31,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:31" (1/1) ... [2023-11-19 03:13:31,480 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:31" (1/1) ... [2023-11-19 03:13:31,517 INFO L138 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 206 [2023-11-19 03:13:31,517 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:31,518 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:13:31,518 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:13:31,518 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:13:31,528 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:31" (1/1) ... [2023-11-19 03:13:31,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:31" (1/1) ... [2023-11-19 03:13:31,532 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:31" (1/1) ... [2023-11-19 03:13:31,532 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:31" (1/1) ... [2023-11-19 03:13:31,542 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:31" (1/1) ... [2023-11-19 03:13:31,547 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:31" (1/1) ... [2023-11-19 03:13:31,550 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:31" (1/1) ... [2023-11-19 03:13:31,551 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:31" (1/1) ... [2023-11-19 03:13:31,555 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:13:31,556 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:13:31,557 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:13:31,557 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:13:31,558 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:31" (1/1) ... [2023-11-19 03:13:31,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:31,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:13:31,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:13:31,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:13:31,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:13:31,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:13:31,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:13:31,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 03:13:31,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:13:31,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 03:13:31,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:13:31,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:13:31,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:13:31,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:13:31,703 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:13:31,705 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:13:32,221 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:13:32,618 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:13:32,618 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 03:13:32,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:32 BoogieIcfgContainer [2023-11-19 03:13:32,624 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:13:32,625 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:13:32,626 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:13:32,637 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:13:32,638 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:32" (1/1) ... [2023-11-19 03:13:32,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:13:32,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:32,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 32 transitions. [2023-11-19 03:13:32,711 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 32 transitions. [2023-11-19 03:13:32,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:13:32,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:32,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:32,901 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 03:13:32,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:32,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2023-11-19 03:13:32,938 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2023-11-19 03:13:32,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:13:32,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:32,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:13:33,198 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:13:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:13:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:13:33,385 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:13:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:13:33,450 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:13:33,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:13:33 ImpRootNode [2023-11-19 03:13:33,484 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:13:33,485 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:13:33,486 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:13:33,486 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:13:33,486 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:32" (3/4) ... [2023-11-19 03:13:33,489 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:13:33,491 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:13:33,492 INFO L158 Benchmark]: Toolchain (without parser) took 2317.15ms. Allocated memory was 176.2MB in the beginning and 270.5MB in the end (delta: 94.4MB). Free memory was 134.7MB in the beginning and 192.6MB in the end (delta: -57.9MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2023-11-19 03:13:33,493 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 176.2MB. Free memory was 147.1MB in the beginning and 146.9MB in the end (delta: 243.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:13:33,494 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.12ms. Allocated memory is still 176.2MB. Free memory was 134.7MB in the beginning and 123.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:13:33,495 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.03ms. Allocated memory is still 176.2MB. Free memory was 123.2MB in the beginning and 120.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:13:33,495 INFO L158 Benchmark]: Boogie Preprocessor took 37.50ms. Allocated memory is still 176.2MB. Free memory was 120.2MB in the beginning and 118.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:13:33,497 INFO L158 Benchmark]: RCFGBuilder took 1067.54ms. Allocated memory was 176.2MB in the beginning and 270.5MB in the end (delta: 94.4MB). Free memory was 118.4MB in the beginning and 235.6MB in the end (delta: -117.1MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. [2023-11-19 03:13:33,497 INFO L158 Benchmark]: CodeCheck took 859.20ms. Allocated memory is still 270.5MB. Free memory was 235.6MB in the beginning and 193.6MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-19 03:13:33,498 INFO L158 Benchmark]: Witness Printer took 5.61ms. Allocated memory is still 270.5MB. Free memory was 193.6MB in the beginning and 192.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:13:33,503 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, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 32 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 13 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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: 93]: 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 bitwiseOr at line 75, overapproximation of someBinaryArithmeticDOUBLEoperation at line 42, overapproximation of bitwiseAnd at line 25. Possible FailurePath: [L88] double x = -1.0 / 0.0; [L89] CALL, EXPR round_double(x) [L17] __int32_t msw, exponent_less_1023; [L18] __uint32_t lsw; VAL [\old(x)=2, x=2] [L20] ieee_double_shape_type ew_u; [L21] EXPR ew_u.value = (x) [L22] EXPR ew_u.parts.msw [L22] EXPR (msw) = ew_u.parts.msw [L23] EXPR ew_u.parts.lsw [L23] EXPR (lsw) = ew_u.parts.lsw [L19-L24] { ieee_double_shape_type ew_u; ew_u.value = (x); (msw) = ew_u.parts.msw; (lsw) = ew_u.parts.lsw; } VAL [\old(x)=2, lsw=11, msw=2146435072, x=2] [L25] EXPR msw & 0x7ff00000 [L25] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 [L26] COND FALSE !(exponent_less_1023 < 20) VAL [\old(x)=2, exponent_less_1023=1024, lsw=11, msw=2146435072, x=2] [L40] COND TRUE exponent_less_1023 > 51 [L41] COND TRUE exponent_less_1023 == 1024 [L42] return x + x; VAL [\old(x)=2, \result=4, exponent_less_1023=1024, lsw=11, msw=2146435072, x=2] [L89] RET, EXPR round_double(x) [L89] double res = round_double(x); [L92] CALL, EXPR isinf_double(res) [L67] __int32_t hx, lx; VAL [\old(x)=4, x=4] [L69] ieee_double_shape_type ew_u; [L70] EXPR ew_u.value = (x) [L71] EXPR ew_u.parts.msw [L71] EXPR (hx) = ew_u.parts.msw [L72] EXPR ew_u.parts.lsw [L72] EXPR (lx) = ew_u.parts.lsw [L68-L73] { 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=2, lx=-2, x=4] [L74] hx &= 0x7fffffff [L75] EXPR lx | (-lx) [L75] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L76] hx = 0x7ff00000 - hx [L77] EXPR hx | (-hx) [L77] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L92] RET, EXPR isinf_double(res) [L92] COND TRUE !isinf_double(res) [L93] reach_error() VAL [res=4, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 176.2MB. Free memory was 147.1MB in the beginning and 146.9MB in the end (delta: 243.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.12ms. Allocated memory is still 176.2MB. Free memory was 134.7MB in the beginning and 123.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.03ms. Allocated memory is still 176.2MB. Free memory was 123.2MB in the beginning and 120.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.50ms. Allocated memory is still 176.2MB. Free memory was 120.2MB in the beginning and 118.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1067.54ms. Allocated memory was 176.2MB in the beginning and 270.5MB in the end (delta: 94.4MB). Free memory was 118.4MB in the beginning and 235.6MB in the end (delta: -117.1MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. * CodeCheck took 859.20ms. Allocated memory is still 270.5MB. Free memory was 235.6MB in the beginning and 193.6MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 5.61ms. Allocated memory is still 270.5MB. Free memory was 193.6MB in the beginning and 192.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:13:33,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/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_3e952a52-d668-4b50-8694-391dac99f8a6/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1032d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/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_3e952a52-d668-4b50-8694-391dac99f8a6/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 fe21f92d149d9e0056822eb7bda6d756c9c1bed4285c287108aa0b8294aaabc8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:13:36,537 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:13:36,673 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:13:36,715 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:13:36,717 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:13:36,718 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:13:36,719 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:13:36,720 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:13:36,721 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:13:36,726 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:13:36,727 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:13:36,727 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:13:36,728 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:13:36,730 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:13:36,730 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:13:36,731 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:13:36,731 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:13:36,732 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:13:36,732 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:13:36,733 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:13:36,734 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:13:36,734 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:13:36,735 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:13:36,735 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:13:36,736 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:13:36,736 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:13:36,737 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:13:36,737 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:13:36,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:36,738 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:13:36,740 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:13:36,740 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:13:36,740 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:13:36,741 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:13:36,741 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:13:36,741 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:13:36,742 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:13:36,742 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_3e952a52-d668-4b50-8694-391dac99f8a6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe21f92d149d9e0056822eb7bda6d756c9c1bed4285c287108aa0b8294aaabc8 [2023-11-19 03:13:37,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:13:37,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:13:37,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:13:37,220 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:13:37,221 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:13:37,223 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/double_req_bl_1032d.c [2023-11-19 03:13:40,534 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:13:40,791 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:13:40,796 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/sv-benchmarks/c/float-newlib/double_req_bl_1032d.c [2023-11-19 03:13:40,810 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/bin/ukojak-verify-G8NBE6pJGL/data/c87473140/344adf6a7d2844d095c59ef51b134896/FLAG0607e4966 [2023-11-19 03:13:40,832 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/bin/ukojak-verify-G8NBE6pJGL/data/c87473140/344adf6a7d2844d095c59ef51b134896 [2023-11-19 03:13:40,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:13:40,841 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:13:40,848 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:40,849 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:13:40,854 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:13:40,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:40" (1/1) ... [2023-11-19 03:13:40,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57300437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:40, skipping insertion in model container [2023-11-19 03:13:40,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:40" (1/1) ... [2023-11-19 03:13:40,892 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:13:41,154 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_3e952a52-d668-4b50-8694-391dac99f8a6/sv-benchmarks/c/float-newlib/double_req_bl_1032d.c[2356,2369] [2023-11-19 03:13:41,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:41,185 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:13:41,218 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_3e952a52-d668-4b50-8694-391dac99f8a6/sv-benchmarks/c/float-newlib/double_req_bl_1032d.c[2356,2369] [2023-11-19 03:13:41,219 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:41,241 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:13:41,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:41 WrapperNode [2023-11-19 03:13:41,242 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:41,243 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:41,243 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:13:41,243 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:13:41,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:41" (1/1) ... [2023-11-19 03:13:41,287 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:41" (1/1) ... [2023-11-19 03:13:41,314 INFO L138 Inliner]: procedures = 19, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 112 [2023-11-19 03:13:41,315 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:41,315 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:13:41,316 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:13:41,316 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:13:41,326 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:41" (1/1) ... [2023-11-19 03:13:41,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:41" (1/1) ... [2023-11-19 03:13:41,332 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:41" (1/1) ... [2023-11-19 03:13:41,333 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:41" (1/1) ... [2023-11-19 03:13:41,347 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:41" (1/1) ... [2023-11-19 03:13:41,352 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:41" (1/1) ... [2023-11-19 03:13:41,355 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:41" (1/1) ... [2023-11-19 03:13:41,357 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:41" (1/1) ... [2023-11-19 03:13:41,362 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:13:41,363 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:13:41,364 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:13:41,364 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:13:41,365 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:41" (1/1) ... [2023-11-19 03:13:41,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:41,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:13:41,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:13:41,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:13:41,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:13:41,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-19 03:13:41,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-19 03:13:41,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:13:41,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:13:41,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:13:41,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:13:41,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:13:41,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:13:41,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:13:41,591 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:13:41,593 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:13:41,931 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:13:42,008 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:13:42,019 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 03:13:42,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:42 BoogieIcfgContainer [2023-11-19 03:13:42,025 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:13:42,026 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:13:42,029 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:13:42,041 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:13:42,041 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:42" (1/1) ... [2023-11-19 03:13:42,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:13:42,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:42,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 32 transitions. [2023-11-19 03:13:42,155 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 32 transitions. [2023-11-19 03:13:42,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:13:42,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:42,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:13:42,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:13:42,165 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:13:42,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:13:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:42,448 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:13:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:42,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:13:42,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:42,529 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 03:13:42,532 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:13:42,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:13:42,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:42,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2023-11-19 03:13:42,816 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2023-11-19 03:13:42,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:13:42,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:42,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:13:42,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:13:42,821 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:13:42,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:13:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:43,156 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:13:43,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:43,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 03:13:43,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:43,378 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 [2023-11-19 03:13:44,875 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 8 treesize of output 4 [2023-11-19 03:13:45,998 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 03:13:46,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-19 03:13:49,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:49,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 13 states and 12 transitions. [2023-11-19 03:13:49,990 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2023-11-19 03:13:49,990 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:13:49,991 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2023-11-19 03:13:50,000 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:13:50,343 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2023-11-19 03:13:50,348 INFO L560 CodeCheckObserver]: Invariant with dag size 24 [2023-11-19 03:13:50,353 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11 : bv32, v_skolemized_q#valueAsBitvector_9 : bv64, currentRoundingMode : FloatRoundingMode :: (~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) == ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64()) && ~fp.add~64(currentRoundingMode, ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64()), ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64())) == ~x) && v_skolemized_q#valueAsBitvector_9[63:32] == #memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][4bv32]) could not be translated [2023-11-19 03:13:50,354 INFO L560 CodeCheckObserver]: Invariant with dag size 24 [2023-11-19 03:13:50,355 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11 : bv32, v_skolemized_q#valueAsBitvector_9 : bv64, currentRoundingMode : FloatRoundingMode :: (~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) == ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64()) && ~fp.add~64(currentRoundingMode, ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64()), ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64())) == #res) && v_skolemized_q#valueAsBitvector_9[63:32] == #memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][4bv32]) could not be translated [2023-11-19 03:13:50,355 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:13:50,356 INFO L560 CodeCheckObserver]: Invariant with dag size 27 [2023-11-19 03:13:50,357 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_9 : bv64, v_skolemized_q#valueAsBitvector_10 : bv64, currentRoundingMode : FloatRoundingMode :: ((~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) == ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64()) && ~fp.add~64(currentRoundingMode, ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64()), ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64())) == ~fp~64(v_skolemized_q#valueAsBitvector_10[63:63], v_skolemized_q#valueAsBitvector_10[62:52], v_skolemized_q#valueAsBitvector_10[51:0])) && v_skolemized_q#valueAsBitvector_10[31:0] == ~lx~0) && ~hx~0 == v_skolemized_q#valueAsBitvector_10[63:32]) could not be translated [2023-11-19 03:13:50,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:13:50 ImpRootNode [2023-11-19 03:13:50,357 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:13:50,358 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:13:50,358 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:13:50,359 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:13:50,359 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:42" (3/4) ... [2023-11-19 03:13:50,361 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:13:50,371 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-19 03:13:50,372 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-19 03:13:50,373 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:13:50,373 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:13:50,492 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:13:50,492 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:13:50,493 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:13:50,494 INFO L158 Benchmark]: Toolchain (without parser) took 9652.42ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 49.1MB in the beginning and 44.5MB in the end (delta: 4.7MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2023-11-19 03:13:50,494 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 77.6MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:13:50,495 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.66ms. Allocated memory is still 77.6MB. Free memory was 48.9MB in the beginning and 36.6MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:13:50,495 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.00ms. Allocated memory is still 77.6MB. Free memory was 36.6MB in the beginning and 56.3MB in the end (delta: -19.7MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2023-11-19 03:13:50,496 INFO L158 Benchmark]: Boogie Preprocessor took 47.25ms. Allocated memory is still 77.6MB. Free memory was 56.3MB in the beginning and 54.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:13:50,496 INFO L158 Benchmark]: RCFGBuilder took 661.41ms. Allocated memory is still 77.6MB. Free memory was 54.7MB in the beginning and 35.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:13:50,497 INFO L158 Benchmark]: CodeCheck took 8331.81ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 35.8MB in the beginning and 49.4MB in the end (delta: -13.6MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2023-11-19 03:13:50,497 INFO L158 Benchmark]: Witness Printer took 134.51ms. Allocated memory is still 104.9MB. Free memory was 49.4MB in the beginning and 44.5MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:13:50,500 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, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.9s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 34 mSDtfsCounter, 50 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 172 GetRequests, 157 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 9 QuantifiedInterpolants, 441 SizeOfPredicates, 12 NumberOfNonLiveVariables, 86 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 93]: 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: 19]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 77.6MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.66ms. Allocated memory is still 77.6MB. Free memory was 48.9MB in the beginning and 36.6MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.00ms. Allocated memory is still 77.6MB. Free memory was 36.6MB in the beginning and 56.3MB in the end (delta: -19.7MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.25ms. Allocated memory is still 77.6MB. Free memory was 56.3MB in the beginning and 54.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 661.41ms. Allocated memory is still 77.6MB. Free memory was 54.7MB in the beginning and 35.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 8331.81ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 35.8MB in the beginning and 49.4MB in the end (delta: -13.6MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Witness Printer took 134.51ms. Allocated memory is still 104.9MB. Free memory was 49.4MB in the beginning and 44.5MB in the end (delta: 4.9MB). 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 v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11 : bv32, v_skolemized_q#valueAsBitvector_9 : bv64, currentRoundingMode : FloatRoundingMode :: (~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) == ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64()) && ~fp.add~64(currentRoundingMode, ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64()), ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64())) == ~x) && v_skolemized_q#valueAsBitvector_9[63:32] == #memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][4bv32]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11 : bv32, v_skolemized_q#valueAsBitvector_9 : bv64, currentRoundingMode : FloatRoundingMode :: (~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) == ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64()) && ~fp.add~64(currentRoundingMode, ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64()), ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64())) == #res) && v_skolemized_q#valueAsBitvector_9[63:32] == #memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][4bv32]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_9 : bv64, v_skolemized_q#valueAsBitvector_10 : bv64, currentRoundingMode : FloatRoundingMode :: ((~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) == ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64()) && ~fp.add~64(currentRoundingMode, ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64()), ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64())) == ~fp~64(v_skolemized_q#valueAsBitvector_10[63:63], v_skolemized_q#valueAsBitvector_10[62:52], v_skolemized_q#valueAsBitvector_10[51:0])) && v_skolemized_q#valueAsBitvector_10[31:0] == ~lx~0) && ~hx~0 == v_skolemized_q#valueAsBitvector_10[63:32]) could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-19 03:13:50,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e952a52-d668-4b50-8694-391dac99f8a6/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