./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1121a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/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_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1121a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/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_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/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 a675a014adb554d3b3cb02e2742644f85bc00ae7c696ead14730bf8198b2dce7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:48:28,989 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:48:29,100 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:48:29,106 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:48:29,106 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:48:29,143 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:48:29,144 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:48:29,145 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:48:29,146 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:48:29,146 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:48:29,150 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:48:29,151 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:48:29,152 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:48:29,159 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:48:29,159 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:48:29,160 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:48:29,161 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:48:29,162 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:48:29,162 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:48:29,163 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:48:29,163 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:48:29,164 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:48:29,164 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:48:29,165 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:48:29,165 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:48:29,166 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:48:29,166 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:48:29,167 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:48:29,167 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:48:29,167 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:48:29,169 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:48:29,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:48:29,169 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:48:29,169 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_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a675a014adb554d3b3cb02e2742644f85bc00ae7c696ead14730bf8198b2dce7 [2023-11-19 02:48:29,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:48:29,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:48:29,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:48:29,495 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:48:29,495 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:48:29,497 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2023-11-19 02:48:32,679 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:48:32,937 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:48:32,938 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2023-11-19 02:48:32,953 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/data/13d598fc8/d1f2afcf599541bfaa92e3d8cc3e9c8b/FLAG44127e995 [2023-11-19 02:48:32,972 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/data/13d598fc8/d1f2afcf599541bfaa92e3d8cc3e9c8b [2023-11-19 02:48:32,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:48:32,981 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:48:32,985 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:48:32,985 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:48:32,990 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:48:32,994 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:48:32" (1/1) ... [2023-11-19 02:48:32,996 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72073bca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:32, skipping insertion in model container [2023-11-19 02:48:32,996 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:48:32" (1/1) ... [2023-11-19 02:48:33,035 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:48:33,305 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_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/sv-benchmarks/c/float-newlib/float_req_bl_1121a.c[2701,2714] [2023-11-19 02:48:33,316 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:48:33,329 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:48:33,379 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_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/sv-benchmarks/c/float-newlib/float_req_bl_1121a.c[2701,2714] [2023-11-19 02:48:33,386 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:48:33,406 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:48:33,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:33 WrapperNode [2023-11-19 02:48:33,407 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:48:33,408 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:48:33,409 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:48:33,409 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:48:33,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:33" (1/1) ... [2023-11-19 02:48:33,437 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:33" (1/1) ... [2023-11-19 02:48:33,488 INFO L138 Inliner]: procedures = 18, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 249 [2023-11-19 02:48:33,489 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:48:33,490 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:48:33,490 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:48:33,491 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:48:33,501 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:33" (1/1) ... [2023-11-19 02:48:33,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:33" (1/1) ... [2023-11-19 02:48:33,505 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:33" (1/1) ... [2023-11-19 02:48:33,505 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:33" (1/1) ... [2023-11-19 02:48:33,515 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:33" (1/1) ... [2023-11-19 02:48:33,521 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:33" (1/1) ... [2023-11-19 02:48:33,523 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:33" (1/1) ... [2023-11-19 02:48:33,525 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:33" (1/1) ... [2023-11-19 02:48:33,528 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:48:33,534 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:48:33,536 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:48:33,537 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:48:33,538 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:33" (1/1) ... [2023-11-19 02:48:33,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:48:33,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:48:33,579 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:48:33,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:48:33,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:48:33,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:48:33,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:48:33,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:48:33,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 02:48:33,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 02:48:33,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:48:33,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:48:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:48:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 02:48:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:48:33,709 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:48:33,712 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:48:34,184 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:48:34,436 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:48:34,437 INFO L302 CfgBuilder]: Removed 12 assume(true) statements. [2023-11-19 02:48:34,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:34 BoogieIcfgContainer [2023-11-19 02:48:34,443 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:48:34,444 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:48:34,444 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:48:34,458 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:48:34,458 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:34" (1/1) ... [2023-11-19 02:48:34,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:48:34,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:34,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2023-11-19 02:48:34,545 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2023-11-19 02:48:34,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:48:34,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:34,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:34,744 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 02:48:34,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:34,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 34 states and 51 transitions. [2023-11-19 02:48:34,791 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 51 transitions. [2023-11-19 02:48:34,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:48:34,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:34,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:48:34,934 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:48:34,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:48:35,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:48:35,097 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:48:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:48:35,153 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 02:48:35,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:48:35 ImpRootNode [2023-11-19 02:48:35,190 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:48:35,191 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:48:35,191 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:48:35,192 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:48:35,192 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:34" (3/4) ... [2023-11-19 02:48:35,196 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:48:35,197 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:48:35,199 INFO L158 Benchmark]: Toolchain (without parser) took 2217.60ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 87.1MB in the beginning and 92.8MB in the end (delta: -5.7MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2023-11-19 02:48:35,200 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 132.1MB. Free memory was 106.0MB in the beginning and 105.9MB in the end (delta: 160.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:48:35,201 INFO L158 Benchmark]: CACSL2BoogieTranslator took 422.84ms. Allocated memory is still 132.1MB. Free memory was 86.9MB in the beginning and 74.5MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:48:35,202 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.50ms. Allocated memory is still 132.1MB. Free memory was 74.5MB in the beginning and 71.9MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:48:35,204 INFO L158 Benchmark]: Boogie Preprocessor took 38.58ms. Allocated memory is still 132.1MB. Free memory was 71.9MB in the beginning and 69.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:48:35,205 INFO L158 Benchmark]: RCFGBuilder took 908.94ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 69.8MB in the beginning and 121.0MB in the end (delta: -51.2MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2023-11-19 02:48:35,210 INFO L158 Benchmark]: CodeCheck took 746.43ms. Allocated memory is still 182.5MB. Free memory was 121.0MB in the beginning and 93.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 02:48:35,211 INFO L158 Benchmark]: Witness Printer took 6.50ms. Allocated memory is still 182.5MB. Free memory was 93.7MB in the beginning and 92.8MB in the end (delta: 925.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:48:35,220 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, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 14 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, 14 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 61 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, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 125]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 110, overapproximation of bitwiseOr at line 33, overapproximation of someUnaryDOUBLEoperation at line 16, overapproximation of someBinaryArithmeticFLOAToperation at line 37. Possible FailurePath: [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L118] float x = __VERIFIER_nondet_float(); [L119] float y = 0.0f; [L121] CALL, EXPR fmod_float(x, y) [L20] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [Zero_fmod={4:0}, \old(x)=2, \old(y)=0, one_fmod=1, x=2, y=0] [L23] ieee_float_shape_type gf_u; [L24] EXPR gf_u.value = (x) [L25] EXPR gf_u.word [L25] EXPR (hx) = gf_u.word [L22-L26] { ieee_float_shape_type gf_u; gf_u.value = (x); (hx) = gf_u.word; } VAL [Zero_fmod={4:0}, \old(x)=2, \old(y)=0, hx=0, one_fmod=1, x=2, y=0] [L28] ieee_float_shape_type gf_u; [L29] EXPR gf_u.value = (y) [L30] EXPR gf_u.word [L30] EXPR (hy) = gf_u.word [L27-L31] { ieee_float_shape_type gf_u; gf_u.value = (y); (hy) = gf_u.word; } VAL [Zero_fmod={4:0}, \old(x)=2, \old(y)=0, hx=0, hy=2139095041, one_fmod=1, x=2, y=0] [L32] sx = hx & 0x80000000 [L33] hx ^= sx [L34] hy &= 0x7fffffff VAL [Zero_fmod={4:0}, \old(x)=2, \old(y)=0, hx=0, hy=2139095041, one_fmod=1, sx=0, x=2, y=0] [L36] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L37] return (x * y) / (x * y); VAL [Zero_fmod={4:0}, \old(x)=2, \old(y)=0, hx=0, hy=2139095041, one_fmod=1, sx=0, x=2, y=0] [L121] RET, EXPR fmod_float(x, y) [L121] float res = fmod_float(x, y); [L124] CALL, EXPR isnan_float(res) [L110] return x != x; [L124] RET, EXPR isnan_float(res) [L124] COND TRUE !isnan_float(res) [L125] reach_error() VAL [Zero_fmod={4:0}, one_fmod=1, res=7, x=2, y=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 132.1MB. Free memory was 106.0MB in the beginning and 105.9MB in the end (delta: 160.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 422.84ms. Allocated memory is still 132.1MB. Free memory was 86.9MB in the beginning and 74.5MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.50ms. Allocated memory is still 132.1MB. Free memory was 74.5MB in the beginning and 71.9MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.58ms. Allocated memory is still 132.1MB. Free memory was 71.9MB in the beginning and 69.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 908.94ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 69.8MB in the beginning and 121.0MB in the end (delta: -51.2MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * CodeCheck took 746.43ms. Allocated memory is still 182.5MB. Free memory was 121.0MB in the beginning and 93.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 6.50ms. Allocated memory is still 182.5MB. Free memory was 93.7MB in the beginning and 92.8MB in the end (delta: 925.1kB). 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 02:48:35,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/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_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1121a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/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_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/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 a675a014adb554d3b3cb02e2742644f85bc00ae7c696ead14730bf8198b2dce7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:48:37,941 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:48:38,035 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:48:38,066 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:48:38,067 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:48:38,068 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:48:38,069 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:48:38,069 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:48:38,070 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:48:38,071 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:48:38,072 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:48:38,072 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:48:38,073 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:48:38,073 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:48:38,074 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:48:38,075 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:48:38,075 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:48:38,076 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:48:38,076 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:48:38,077 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:48:38,077 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:48:38,078 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:48:38,079 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:48:38,079 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:48:38,080 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:48:38,080 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:48:38,080 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:48:38,081 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:48:38,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:48:38,082 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:48:38,082 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:48:38,083 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:48:38,083 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:48:38,083 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:48:38,084 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:48:38,084 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:48:38,084 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:48:38,084 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_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a675a014adb554d3b3cb02e2742644f85bc00ae7c696ead14730bf8198b2dce7 [2023-11-19 02:48:38,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:48:38,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:48:38,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:48:38,529 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:48:38,530 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:48:38,532 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2023-11-19 02:48:41,713 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:48:41,952 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:48:41,953 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2023-11-19 02:48:41,962 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/data/20e48480f/224c1464240f4e4e916971796f77e6e9/FLAG1f2dfbc66 [2023-11-19 02:48:41,978 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/data/20e48480f/224c1464240f4e4e916971796f77e6e9 [2023-11-19 02:48:41,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:48:41,982 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:48:41,984 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:48:41,984 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:48:41,989 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:48:41,990 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:48:41" (1/1) ... [2023-11-19 02:48:41,991 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37569631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:41, skipping insertion in model container [2023-11-19 02:48:41,992 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:48:41" (1/1) ... [2023-11-19 02:48:42,017 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:48:42,243 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_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/sv-benchmarks/c/float-newlib/float_req_bl_1121a.c[2701,2714] [2023-11-19 02:48:42,248 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:48:42,270 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:48:42,326 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_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/sv-benchmarks/c/float-newlib/float_req_bl_1121a.c[2701,2714] [2023-11-19 02:48:42,327 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:48:42,346 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:48:42,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:42 WrapperNode [2023-11-19 02:48:42,347 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:48:42,348 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:48:42,348 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:48:42,348 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:48:42,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:42" (1/1) ... [2023-11-19 02:48:42,369 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:42" (1/1) ... [2023-11-19 02:48:42,418 INFO L138 Inliner]: procedures = 21, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 173 [2023-11-19 02:48:42,418 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:48:42,419 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:48:42,419 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:48:42,419 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:48:42,429 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:42" (1/1) ... [2023-11-19 02:48:42,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:42" (1/1) ... [2023-11-19 02:48:42,436 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:42" (1/1) ... [2023-11-19 02:48:42,436 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:42" (1/1) ... [2023-11-19 02:48:42,449 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:42" (1/1) ... [2023-11-19 02:48:42,454 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:42" (1/1) ... [2023-11-19 02:48:42,458 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:42" (1/1) ... [2023-11-19 02:48:42,460 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:42" (1/1) ... [2023-11-19 02:48:42,465 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:48:42,466 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:48:42,466 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:48:42,466 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:48:42,467 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:42" (1/1) ... [2023-11-19 02:48:42,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:48:42,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:48:42,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:48:42,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:48:42,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:48:42,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-19 02:48:42,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:48:42,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:48:42,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 02:48:42,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 02:48:42,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:48:42,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:48:42,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 02:48:42,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:48:42,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:48:42,644 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:48:42,646 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:48:44,351 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:48:44,448 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:48:44,449 INFO L302 CfgBuilder]: Removed 12 assume(true) statements. [2023-11-19 02:48:44,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:44 BoogieIcfgContainer [2023-11-19 02:48:44,454 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:48:44,455 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:48:44,456 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:48:44,467 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:48:44,467 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:44" (1/1) ... [2023-11-19 02:48:44,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:48:44,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:44,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2023-11-19 02:48:44,537 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2023-11-19 02:48:44,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:48:44,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:44,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:48:44,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:48:44,547 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:48:44,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:48:44,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:44,734 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:48:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:44,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:48:44,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:44,793 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 02:48:44,796 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 02:48:44,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 02:48:44,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:44,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 34 states and 51 transitions. [2023-11-19 02:48:44,850 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 51 transitions. [2023-11-19 02:48:44,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:48:44,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:44,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:48:44,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:48:44,853 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:48:44,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 02:48:45,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:45,256 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:48:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:45,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:48:45,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:47,774 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 02:48:47,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 02:48:54,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:49:02,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-19 02:49:09,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-19 02:49:14,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.26s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-19 02:49:17,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:17,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2023-11-19 02:49:17,500 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2023-11-19 02:49:17,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:49:17,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:17,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:49:17,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:49:17,524 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:49:17,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 02:49:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:17,738 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:49:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:17,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:49:17,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:17,862 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:49:17,864 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2023-11-19 02:49:20,185 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 02:49:20,188 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 02:49:20,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 02:49:27,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.34s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-19 02:49:29,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-19 02:49:30,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:30,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2023-11-19 02:49:30,092 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2023-11-19 02:49:30,092 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 02:49:30,092 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-11-19 02:49:30,102 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 02:49:30,516 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2023-11-19 02:49:30,523 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_fmod_float_~x#1 : C_FLOAT, currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.mul~32(currentRoundingMode, ULTIMATE.start_fmod_float_~x#1, ~Pluszero~32()), ~fp.mul~32(currentRoundingMode, ULTIMATE.start_fmod_float_~x#1, ~Pluszero~32())) == #res) could not be translated [2023-11-19 02:49:30,524 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:49:30,526 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 02:49:30,527 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2023-11-19 02:49:30,527 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 02:49:30,528 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2023-11-19 02:49:30,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:49:30 ImpRootNode [2023-11-19 02:49:30,529 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:49:30,530 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:49:30,530 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:49:30,530 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:49:30,531 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:44" (3/4) ... [2023-11-19 02:49:30,533 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 02:49:30,544 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-19 02:49:30,544 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 02:49:30,545 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-19 02:49:30,545 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 02:49:30,649 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:49:30,649 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 02:49:30,650 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:49:30,651 INFO L158 Benchmark]: Toolchain (without parser) took 48668.27ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 50.1MB in the beginning and 51.9MB in the end (delta: -1.8MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2023-11-19 02:49:30,651 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 77.6MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:49:30,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.28ms. Allocated memory is still 77.6MB. Free memory was 49.9MB in the beginning and 36.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:49:30,653 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.30ms. Allocated memory is still 77.6MB. Free memory was 36.6MB in the beginning and 55.6MB in the end (delta: -19.0MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2023-11-19 02:49:30,654 INFO L158 Benchmark]: Boogie Preprocessor took 46.28ms. Allocated memory is still 77.6MB. Free memory was 55.6MB in the beginning and 53.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:49:30,655 INFO L158 Benchmark]: RCFGBuilder took 1988.55ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 53.6MB in the beginning and 77.4MB in the end (delta: -23.8MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2023-11-19 02:49:30,655 INFO L158 Benchmark]: CodeCheck took 46073.53ms. Allocated memory is still 102.8MB. Free memory was 77.4MB in the beginning and 56.1MB in the end (delta: 21.3MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2023-11-19 02:49:30,656 INFO L158 Benchmark]: Witness Printer took 120.32ms. Allocated memory is still 102.8MB. Free memory was 56.1MB in the beginning and 51.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:49:30,659 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, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 45.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 114 SdHoareTripleChecker+Valid, 58.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 86 SdHoareTripleChecker+Invalid, 54.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 66 mSDtfsCounter, 69 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 241 GetRequests, 228 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 11.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 26 ConstructedInterpolants, 1 QuantifiedInterpolants, 82 SizeOfPredicates, 13 NumberOfNonLiveVariables, 162 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 125]: 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: 112]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 77.6MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.28ms. Allocated memory is still 77.6MB. Free memory was 49.9MB in the beginning and 36.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.30ms. Allocated memory is still 77.6MB. Free memory was 36.6MB in the beginning and 55.6MB in the end (delta: -19.0MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.28ms. Allocated memory is still 77.6MB. Free memory was 55.6MB in the beginning and 53.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1988.55ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 53.6MB in the beginning and 77.4MB in the end (delta: -23.8MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * CodeCheck took 46073.53ms. Allocated memory is still 102.8MB. Free memory was 77.4MB in the beginning and 56.1MB in the end (delta: 21.3MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * Witness Printer took 120.32ms. Allocated memory is still 102.8MB. Free memory was 56.1MB in the beginning and 51.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_fmod_float_~x#1 : C_FLOAT, currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.mul~32(currentRoundingMode, ULTIMATE.start_fmod_float_~x#1, ~Pluszero~32()), ~fp.mul~32(currentRoundingMode, ULTIMATE.start_fmod_float_~x#1, ~Pluszero~32())) == #res) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 RESULT: Ultimate proved your program to be correct! [2023-11-19 02:49:30,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4be2a2-ed2a-465f-a8e1-c0b98cc4ccf9/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