./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1072d.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_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/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_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1072d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/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_b2fcf565-198c-4c53-9bb0-fc017e7361e2/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 4e7e90799b98dede4965ccf0fb7fd31a9423f1bb2f54cb6cc84937807506db5a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:16:24,625 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:16:24,746 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:16:24,760 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:16:24,761 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:16:24,795 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:16:24,796 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:16:24,796 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:16:24,797 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:16:24,802 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:16:24,803 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:16:24,803 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:16:24,804 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:16:24,806 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:16:24,806 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:16:24,806 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:16:24,807 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:16:24,807 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:16:24,808 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:16:24,808 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:16:24,809 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:16:24,809 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:16:24,810 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:16:24,810 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:16:24,811 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:16:24,812 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:16:24,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:16:24,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:16:24,813 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:16:24,813 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:16:24,815 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:16:24,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:16:24,816 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:16:24,817 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_b2fcf565-198c-4c53-9bb0-fc017e7361e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e7e90799b98dede4965ccf0fb7fd31a9423f1bb2f54cb6cc84937807506db5a [2023-11-19 03:16:25,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:16:25,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:16:25,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:16:25,111 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:16:25,111 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:16:25,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/double_req_bl_1072d.c [2023-11-19 03:16:28,377 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:16:28,599 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:16:28,599 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/sv-benchmarks/c/float-newlib/double_req_bl_1072d.c [2023-11-19 03:16:28,607 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/data/9763e3916/f0dd252c8d4d43fd800dcc4aebfbec5f/FLAG26e3469ea [2023-11-19 03:16:28,622 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/data/9763e3916/f0dd252c8d4d43fd800dcc4aebfbec5f [2023-11-19 03:16:28,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:16:28,627 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:16:28,628 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:16:28,628 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:16:28,634 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:16:28,635 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:16:28" (1/1) ... [2023-11-19 03:16:28,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7162f35b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:28, skipping insertion in model container [2023-11-19 03:16:28,636 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:16:28" (1/1) ... [2023-11-19 03:16:28,662 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:16:28,834 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_b2fcf565-198c-4c53-9bb0-fc017e7361e2/sv-benchmarks/c/float-newlib/double_req_bl_1072d.c[2254,2267] [2023-11-19 03:16:28,839 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:16:28,856 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:16:28,884 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_b2fcf565-198c-4c53-9bb0-fc017e7361e2/sv-benchmarks/c/float-newlib/double_req_bl_1072d.c[2254,2267] [2023-11-19 03:16:28,884 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:16:28,900 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:16:28,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:28 WrapperNode [2023-11-19 03:16:28,901 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:16:28,902 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:16:28,902 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:16:28,902 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:16:28,912 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:28" (1/1) ... [2023-11-19 03:16:28,920 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:28" (1/1) ... [2023-11-19 03:16:28,983 INFO L138 Inliner]: procedures = 17, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 188 [2023-11-19 03:16:28,983 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:16:28,984 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:16:28,984 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:16:28,984 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:16:28,993 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:28" (1/1) ... [2023-11-19 03:16:28,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:28" (1/1) ... [2023-11-19 03:16:28,997 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:28" (1/1) ... [2023-11-19 03:16:28,997 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:28" (1/1) ... [2023-11-19 03:16:29,008 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:28" (1/1) ... [2023-11-19 03:16:29,013 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:28" (1/1) ... [2023-11-19 03:16:29,015 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:28" (1/1) ... [2023-11-19 03:16:29,016 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:28" (1/1) ... [2023-11-19 03:16:29,020 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:16:29,021 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:16:29,021 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:16:29,021 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:16:29,022 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:28" (1/1) ... [2023-11-19 03:16:29,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:16:29,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:16:29,069 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:16:29,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:16:29,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:16:29,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:16:29,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:16:29,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 03:16:29,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:16:29,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 03:16:29,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:16:29,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:16:29,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:16:29,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:16:29,181 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:16:29,183 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:16:29,537 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:16:29,841 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:16:29,841 INFO L302 CfgBuilder]: Removed 10 assume(true) statements. [2023-11-19 03:16:29,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:16:29 BoogieIcfgContainer [2023-11-19 03:16:29,849 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:16:29,850 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:16:29,850 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:16:29,860 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:16:29,860 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:16:29" (1/1) ... [2023-11-19 03:16:29,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:16:29,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:29,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2023-11-19 03:16:29,919 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2023-11-19 03:16:29,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:16:29,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:29,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:30,169 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 03:16:30,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:30,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2023-11-19 03:16:30,217 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2023-11-19 03:16:30,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:16:30,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:30,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:16:30,510 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:16:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:16:30,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:16:30,770 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:16:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:16:30,834 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:16:30,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:16:30 ImpRootNode [2023-11-19 03:16:30,871 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:16:30,873 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:16:30,873 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:16:30,874 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:16:30,874 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:16:29" (3/4) ... [2023-11-19 03:16:30,876 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:16:30,877 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:16:30,879 INFO L158 Benchmark]: Toolchain (without parser) took 2251.67ms. Allocated memory was 138.4MB in the beginning and 195.0MB in the end (delta: 56.6MB). Free memory was 80.7MB in the beginning and 138.9MB in the end (delta: -58.2MB). Peak memory consumption was 379.0kB. Max. memory is 16.1GB. [2023-11-19 03:16:30,880 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 138.4MB. Free memory was 77.9MB in the beginning and 77.8MB in the end (delta: 129.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:16:30,880 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.85ms. Allocated memory is still 138.4MB. Free memory was 80.7MB in the beginning and 68.9MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:16:30,881 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.40ms. Allocated memory was 138.4MB in the beginning and 195.0MB in the end (delta: 56.6MB). Free memory was 68.9MB in the beginning and 164.5MB in the end (delta: -95.6MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2023-11-19 03:16:30,882 INFO L158 Benchmark]: Boogie Preprocessor took 36.42ms. Allocated memory is still 195.0MB. Free memory was 164.5MB in the beginning and 162.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:16:30,883 INFO L158 Benchmark]: RCFGBuilder took 827.99ms. Allocated memory is still 195.0MB. Free memory was 162.6MB in the beginning and 122.1MB in the end (delta: 40.5MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2023-11-19 03:16:30,888 INFO L158 Benchmark]: CodeCheck took 1021.70ms. Allocated memory is still 195.0MB. Free memory was 121.2MB in the beginning and 139.7MB in the end (delta: -18.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:16:30,888 INFO L158 Benchmark]: Witness Printer took 4.29ms. Allocated memory is still 195.0MB. Free memory was 139.7MB in the beginning and 138.9MB in the end (delta: 780.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:16:30,898 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, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 15 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, 15 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 72 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, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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: 91]: 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 74, overapproximation of someBinaryArithmeticDOUBLEoperation at line 51, overapproximation of bitwiseAnd at line 31. Possible FailurePath: [L86] double x = -1.0 / 0.0; [L87] CALL, EXPR trunc_double(x) [L20] int signbit; [L21] int msw; [L22] unsigned int lsw; [L23] int exponent_less_1023; VAL [\old(x)=2, x=2] [L25] ieee_double_shape_type ew_u; [L26] EXPR ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] EXPR (msw) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] EXPR (lsw) = ew_u.parts.lsw [L24-L29] { 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=9, msw=2146435072, x=2] [L30] signbit = msw & 0x80000000 [L31] EXPR msw & 0x7ff00000 [L31] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 [L32] COND FALSE !(exponent_less_1023 < 20) VAL [\old(x)=2, exponent_less_1023=1024, lsw=9, msw=2146435072, signbit=0, x=2] [L49] COND TRUE exponent_less_1023 > 51 VAL [\old(x)=2, exponent_less_1023=1024, lsw=9, msw=2146435072, signbit=0, x=2] [L50] COND TRUE exponent_less_1023 == 1024 [L51] return x + x; VAL [\old(x)=2, exponent_less_1023=1024, lsw=9, msw=2146435072, signbit=0, x=2] [L87] RET, EXPR trunc_double(x) [L87] double res = trunc_double(x); [L90] CALL, EXPR isinf_double(res) [L66] __int32_t hx, lx; VAL [\old(x)=3, x=3] [L68] ieee_double_shape_type ew_u; [L69] EXPR ew_u.value = (x) [L70] EXPR ew_u.parts.msw [L70] EXPR (hx) = ew_u.parts.msw [L71] EXPR ew_u.parts.lsw [L71] EXPR (lx) = ew_u.parts.lsw [L67-L72] { ieee_double_shape_type ew_u; ew_u.value = (x); (hx) = ew_u.parts.msw; (lx) = ew_u.parts.lsw; } VAL [\old(x)=3, hx=1, lx=-2, x=3] [L73] hx &= 0x7fffffff [L74] EXPR lx | (-lx) [L74] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L75] hx = 0x7ff00000 - hx [L76] EXPR hx | (-hx) [L76] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L90] RET, EXPR isinf_double(res) [L90] COND TRUE !isinf_double(res) [L91] reach_error() VAL [res=3, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 138.4MB. Free memory was 77.9MB in the beginning and 77.8MB in the end (delta: 129.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.85ms. Allocated memory is still 138.4MB. Free memory was 80.7MB in the beginning and 68.9MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.40ms. Allocated memory was 138.4MB in the beginning and 195.0MB in the end (delta: 56.6MB). Free memory was 68.9MB in the beginning and 164.5MB in the end (delta: -95.6MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.42ms. Allocated memory is still 195.0MB. Free memory was 164.5MB in the beginning and 162.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 827.99ms. Allocated memory is still 195.0MB. Free memory was 162.6MB in the beginning and 122.1MB in the end (delta: 40.5MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. * CodeCheck took 1021.70ms. Allocated memory is still 195.0MB. Free memory was 121.2MB in the beginning and 139.7MB in the end (delta: -18.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.29ms. Allocated memory is still 195.0MB. Free memory was 139.7MB in the beginning and 138.9MB in the end (delta: 780.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:16:30,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/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_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/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_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1072d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/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_b2fcf565-198c-4c53-9bb0-fc017e7361e2/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 4e7e90799b98dede4965ccf0fb7fd31a9423f1bb2f54cb6cc84937807506db5a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:16:33,594 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:16:33,722 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:16:33,780 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:16:33,781 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:16:33,782 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:16:33,783 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:16:33,784 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:16:33,785 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:16:33,790 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:16:33,791 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:16:33,791 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:16:33,792 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:16:33,793 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:16:33,794 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:16:33,794 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:16:33,795 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:16:33,796 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:16:33,796 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:16:33,797 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:16:33,798 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:16:33,798 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:16:33,799 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:16:33,800 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:16:33,800 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:16:33,801 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:16:33,801 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:16:33,802 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:16:33,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:16:33,803 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:16:33,805 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:16:33,806 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:16:33,806 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:16:33,807 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:16:33,807 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:16:33,807 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:16:33,808 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:16:33,808 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_b2fcf565-198c-4c53-9bb0-fc017e7361e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e7e90799b98dede4965ccf0fb7fd31a9423f1bb2f54cb6cc84937807506db5a [2023-11-19 03:16:34,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:16:34,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:16:34,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:16:34,261 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:16:34,261 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:16:34,263 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/double_req_bl_1072d.c [2023-11-19 03:16:37,319 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:16:37,611 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:16:37,611 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/sv-benchmarks/c/float-newlib/double_req_bl_1072d.c [2023-11-19 03:16:37,618 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/data/a13bdbacb/b031be70e05e42ca935727ffaff1d1dc/FLAG27bdb05e8 [2023-11-19 03:16:37,632 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/data/a13bdbacb/b031be70e05e42ca935727ffaff1d1dc [2023-11-19 03:16:37,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:16:37,635 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:16:37,637 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:16:37,637 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:16:37,642 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:16:37,643 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:37,644 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@590701ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37, skipping insertion in model container [2023-11-19 03:16:37,644 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:37,669 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:16:37,883 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_b2fcf565-198c-4c53-9bb0-fc017e7361e2/sv-benchmarks/c/float-newlib/double_req_bl_1072d.c[2254,2267] [2023-11-19 03:16:37,889 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:16:37,907 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:16:37,959 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_b2fcf565-198c-4c53-9bb0-fc017e7361e2/sv-benchmarks/c/float-newlib/double_req_bl_1072d.c[2254,2267] [2023-11-19 03:16:37,960 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:16:37,990 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:16:37,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37 WrapperNode [2023-11-19 03:16:37,991 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:16:37,992 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:16:37,992 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:16:37,992 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:16:37,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:38,022 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:38,059 INFO L138 Inliner]: procedures = 20, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 115 [2023-11-19 03:16:38,060 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:16:38,060 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:16:38,061 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:16:38,061 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:16:38,070 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:38,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:38,089 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:38,090 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:38,099 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:38,115 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:38,132 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:38,134 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:38,138 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:16:38,139 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:16:38,139 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:16:38,139 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:16:38,140 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:38,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:16:38,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:16:38,228 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:16:38,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:16:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:16:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-19 03:16:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-19 03:16:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:16:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:16:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:16:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:16:38,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:16:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:16:38,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:16:38,366 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:16:38,368 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:16:38,737 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:16:38,759 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:16:38,759 INFO L302 CfgBuilder]: Removed 10 assume(true) statements. [2023-11-19 03:16:38,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:16:38 BoogieIcfgContainer [2023-11-19 03:16:38,764 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:16:38,765 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:16:38,765 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:16:38,776 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:16:38,776 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:16:38" (1/1) ... [2023-11-19 03:16:38,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:16:38,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:38,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2023-11-19 03:16:38,840 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2023-11-19 03:16:38,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:16:38,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:38,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:16:38,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:16:38,850 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:16:38,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:16:39,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:39,055 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:16:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:39,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:16:39,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:39,117 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 03:16:39,120 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:16:39,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:16:39,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:39,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2023-11-19 03:16:39,166 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2023-11-19 03:16:39,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:16:39,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:39,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:16:39,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:16:39,170 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:16:39,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:16:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:39,508 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:16:39,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:39,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:16:39,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:40,280 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 03:16:40,284 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:16:40,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 03:16:42,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:42,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2023-11-19 03:16:42,161 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2023-11-19 03:16:42,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:16:42,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:42,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:16:42,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:16:42,164 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:16:42,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 03:16:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:42,480 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:16:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:42,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:16:42,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:43,041 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 03:16:43,043 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:16:43,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-19 03:16:43,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:43,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2023-11-19 03:16:43,106 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2023-11-19 03:16:43,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:16:43,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:43,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:16:43,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:16:43,110 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:16:43,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 03:16:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:43,413 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:16:43,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:43,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:16:43,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:44,265 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 03:16:44,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-19 03:16:46,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:46,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2023-11-19 03:16:46,952 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2023-11-19 03:16:46,954 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:16:46,955 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-11-19 03:16:46,965 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:16:47,187 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2023-11-19 03:16:47,192 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:16:47,192 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2023-11-19 03:16:47,196 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~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) could not be translated [2023-11-19 03:16:47,196 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2023-11-19 03:16:47,197 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~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) could not be translated [2023-11-19 03:16:47,197 INFO L560 CodeCheckObserver]: Invariant with dag size 21 [2023-11-19 03:16:47,198 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_9 : bv64, currentRoundingMode : FloatRoundingMode :: (~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_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) && ~lx~0 == v_skolemized_q#valueAsBitvector_9[31:0]) && v_skolemized_q#valueAsBitvector_9[63:32] == ~hx~0) could not be translated [2023-11-19 03:16:47,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:16:47 ImpRootNode [2023-11-19 03:16:47,199 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:16:47,199 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:16:47,200 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:16:47,200 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:16:47,200 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:16:38" (3/4) ... [2023-11-19 03:16:47,202 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:16:47,211 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-19 03:16:47,211 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-19 03:16:47,212 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:16:47,212 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:16:47,357 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:16:47,358 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:16:47,358 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:16:47,360 INFO L158 Benchmark]: Toolchain (without parser) took 9724.62ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 53.9MB in the beginning and 69.4MB in the end (delta: -15.4MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2023-11-19 03:16:47,361 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 58.7MB. Free memory was 35.1MB in the beginning and 35.0MB in the end (delta: 51.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:16:47,361 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.33ms. Allocated memory is still 77.6MB. Free memory was 53.7MB in the beginning and 41.4MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:16:47,362 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.98ms. Allocated memory is still 77.6MB. Free memory was 41.4MB in the beginning and 39.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:16:47,362 INFO L158 Benchmark]: Boogie Preprocessor took 77.87ms. Allocated memory is still 77.6MB. Free memory was 39.5MB in the beginning and 57.0MB in the end (delta: -17.5MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2023-11-19 03:16:47,364 INFO L158 Benchmark]: RCFGBuilder took 625.24ms. Allocated memory is still 77.6MB. Free memory was 57.0MB in the beginning and 40.8MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:16:47,365 INFO L158 Benchmark]: CodeCheck took 8433.84ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 40.5MB in the beginning and 30.1MB in the end (delta: 10.4MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2023-11-19 03:16:47,365 INFO L158 Benchmark]: Witness Printer took 159.80ms. Allocated memory is still 94.4MB. Free memory was 30.1MB in the beginning and 69.4MB in the end (delta: -39.3MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2023-11-19 03:16:47,368 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, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 199 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 44 mSDsluCounter, 163 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 50 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 110 IncrementalHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 113 mSDtfsCounter, 110 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 420 GetRequests, 387 SyntacticMatches, 11 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 49 ConstructedInterpolants, 14 QuantifiedInterpolants, 589 SizeOfPredicates, 35 NumberOfNonLiveVariables, 220 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 91]: 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: 24]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 58.7MB. Free memory was 35.1MB in the beginning and 35.0MB in the end (delta: 51.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.33ms. Allocated memory is still 77.6MB. Free memory was 53.7MB in the beginning and 41.4MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.98ms. Allocated memory is still 77.6MB. Free memory was 41.4MB in the beginning and 39.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.87ms. Allocated memory is still 77.6MB. Free memory was 39.5MB in the beginning and 57.0MB in the end (delta: -17.5MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * RCFGBuilder took 625.24ms. Allocated memory is still 77.6MB. Free memory was 57.0MB in the beginning and 40.8MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 8433.84ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 40.5MB in the beginning and 30.1MB in the end (delta: 10.4MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * Witness Printer took 159.80ms. Allocated memory is still 94.4MB. Free memory was 30.1MB in the beginning and 69.4MB in the end (delta: -39.3MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~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) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~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) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_9 : bv64, currentRoundingMode : FloatRoundingMode :: (~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_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) && ~lx~0 == v_skolemized_q#valueAsBitvector_9[31:0]) && v_skolemized_q#valueAsBitvector_9[63:32] == ~hx~0) could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-19 03:16:47,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2fcf565-198c-4c53-9bb0-fc017e7361e2/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