./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0930.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0930.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk --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 d0cec7ddb8a2645a0ba1656999ba73d1a21b29e3fbe1129f436b67dd30c2f050 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:01:21,484 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:01:21,577 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:01:21,585 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:01:21,585 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:01:21,620 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:01:21,621 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:01:21,621 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:01:21,622 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:01:21,623 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:01:21,624 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:01:21,624 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:01:21,625 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:01:21,629 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:01:21,630 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:01:21,630 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:01:21,630 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:01:21,631 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:01:21,631 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:01:21,631 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:01:21,632 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:01:21,633 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:01:21,634 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:01:21,634 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:01:21,634 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:01:21,635 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:01:21,635 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:01:21,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:01:21,635 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:01:21,637 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:01:21,637 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:01:21,638 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:01:21,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:01:21,638 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_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0cec7ddb8a2645a0ba1656999ba73d1a21b29e3fbe1129f436b67dd30c2f050 [2024-11-08 23:01:21,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:01:21,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:01:21,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:01:21,999 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:01:22,000 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:01:22,001 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-newlib/float_req_bl_0930.c Unable to find full path for "g++" [2024-11-08 23:01:24,052 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:01:24,255 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:01:24,255 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/sv-benchmarks/c/float-newlib/float_req_bl_0930.c [2024-11-08 23:01:24,270 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/data/40c3da68f/54c3cba79e2a4f2c99f756da8356d8b4/FLAG84982f3cc [2024-11-08 23:01:24,290 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/data/40c3da68f/54c3cba79e2a4f2c99f756da8356d8b4 [2024-11-08 23:01:24,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:01:24,298 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:01:24,302 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:01:24,302 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:01:24,310 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:01:24,311 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:01:24" (1/1) ... [2024-11-08 23:01:24,316 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1efaec2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:24, skipping insertion in model container [2024-11-08 23:01:24,316 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:01:24" (1/1) ... [2024-11-08 23:01:24,347 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:01:24,674 WARN L250 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_1882839a-05dd-4964-b19f-8212ac07243e/sv-benchmarks/c/float-newlib/float_req_bl_0930.c[3104,3117] [2024-11-08 23:01:24,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:01:24,689 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:01:24,723 WARN L250 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_1882839a-05dd-4964-b19f-8212ac07243e/sv-benchmarks/c/float-newlib/float_req_bl_0930.c[3104,3117] [2024-11-08 23:01:24,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:01:24,746 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:01:24,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:24 WrapperNode [2024-11-08 23:01:24,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:01:24,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:01:24,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:01:24,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:01:24,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:24" (1/1) ... [2024-11-08 23:01:24,770 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:24" (1/1) ... [2024-11-08 23:01:24,798 INFO L138 Inliner]: procedures = 17, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 190 [2024-11-08 23:01:24,798 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:01:24,799 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:01:24,799 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:01:24,799 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:01:24,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:24" (1/1) ... [2024-11-08 23:01:24,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:24" (1/1) ... [2024-11-08 23:01:24,813 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:24" (1/1) ... [2024-11-08 23:01:24,813 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:24" (1/1) ... [2024-11-08 23:01:24,823 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:24" (1/1) ... [2024-11-08 23:01:24,828 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:24" (1/1) ... [2024-11-08 23:01:24,830 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:24" (1/1) ... [2024-11-08 23:01:24,831 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:24" (1/1) ... [2024-11-08 23:01:24,834 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:01:24,835 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:01:24,835 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:01:24,835 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:01:24,836 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:24" (1/1) ... [2024-11-08 23:01:24,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:01:24,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:01:24,889 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:01:24,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:01:24,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:01:24,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:01:24,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:01:24,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-08 23:01:24,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:01:24,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-08 23:01:24,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:01:24,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:01:24,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:01:24,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:01:25,019 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:01:25,021 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:01:25,310 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-11-08 23:01:25,310 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:01:25,559 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:01:25,559 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-08 23:01:25,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:01:25 BoogieIcfgContainer [2024-11-08 23:01:25,559 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:01:25,560 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:01:25,560 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:01:25,575 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:01:25,575 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:01:25" (1/1) ... [2024-11-08 23:01:25,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:01:25,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:25,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2024-11-08 23:01:25,652 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-08 23:01:25,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:01:25,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:25,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:01:25,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:25,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:01:25,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:25,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2024-11-08 23:01:25,832 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2024-11-08 23:01:25,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:01:25,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:25,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:01:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:01:25,879 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:01:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:01:26,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:01:26,019 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:01:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:01:26,074 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 23:01:26,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:01:26 ImpRootNode [2024-11-08 23:01:26,107 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:01:26,108 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:01:26,108 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:01:26,108 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:01:26,109 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:01:25" (3/4) ... [2024-11-08 23:01:26,112 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:01:26,113 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:01:26,114 INFO L158 Benchmark]: Toolchain (without parser) took 1816.20ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 44.0MB in the end (delta: 59.9MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. [2024-11-08 23:01:26,115 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 109.1MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:01:26,115 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.15ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 105.3MB in the end (delta: -1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 23:01:26,116 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.44ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 103.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:01:26,117 INFO L158 Benchmark]: Boogie Preprocessor took 35.65ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 101.5MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:01:26,117 INFO L158 Benchmark]: RCFGBuilder took 724.35ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 66.7MB in the end (delta: 34.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-08 23:01:26,122 INFO L158 Benchmark]: CodeCheck took 547.04ms. Allocated memory is still 142.6MB. Free memory was 66.7MB in the beginning and 44.7MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 23:01:26,123 INFO L158 Benchmark]: Witness Printer took 5.36ms. Allocated memory is still 142.6MB. Free memory was 44.7MB in the beginning and 44.0MB in the end (delta: 651.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:01:26,131 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: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 13 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 57 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 123]: 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 122, overapproximation of someBinaryArithmeticFLOAToperation at line 34. Possible FailurePath: [L14-L18] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L20] static const float zero_log = 0.0; [L118] float x = 1.0f; [L119] CALL, EXPR __ieee754_logf(x) [L23] float hfsq, f, s, z, R, w, t1, t2, dk; [L24] __int32_t k, ix, i, j; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=1, zero_log=0] [L27] ieee_float_shape_type gf_u; [L28] gf_u.value = (x) [L29] EXPR gf_u.word [L29] (ix) = gf_u.word [L32] k = 0 VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ix=0, k=0, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=1, zero_log=0] [L33] COND TRUE ((ix & 0x7fffffff) == 0) [L34] return -two25_log / zero_log; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, k=0, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=1, zero_log=0] [L119] RET, EXPR __ieee754_logf(x) [L119] float res = __ieee754_logf(x); [L122] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, res=4, two25_log=33554432, zero_log=0] [L122] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L123] reach_error() VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, res=4, two25_log=33554432, zero_log=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 109.1MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 445.15ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 105.3MB in the end (delta: -1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.44ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 103.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.65ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 101.5MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 724.35ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 66.7MB in the end (delta: 34.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * CodeCheck took 547.04ms. Allocated memory is still 142.6MB. Free memory was 66.7MB in the beginning and 44.7MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 5.36ms. Allocated memory is still 142.6MB. Free memory was 44.7MB in the beginning and 44.0MB in the end (delta: 651.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:01:26,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0930.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk --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 d0cec7ddb8a2645a0ba1656999ba73d1a21b29e3fbe1129f436b67dd30c2f050 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:01:28,681 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:01:28,781 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:01:28,837 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:01:28,838 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:01:28,838 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:01:28,839 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:01:28,840 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:01:28,841 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:01:28,842 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:01:28,842 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:01:28,843 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:01:28,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:01:28,844 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:01:28,844 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:01:28,846 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:01:28,847 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:01:28,847 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:01:28,848 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:01:28,848 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:01:28,848 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:01:28,852 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:01:28,852 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:01:28,853 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:01:28,853 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:01:28,853 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:01:28,854 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:28,854 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:01:28,854 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:01:28,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:01:28,855 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:01:28,855 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:01:28,856 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:01:28,858 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:01:28,858 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:28,859 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:01:28,859 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0cec7ddb8a2645a0ba1656999ba73d1a21b29e3fbe1129f436b67dd30c2f050 [2024-11-08 23:01:29,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:01:29,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:01:29,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:01:29,318 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:01:29,319 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:01:29,321 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-newlib/float_req_bl_0930.c Unable to find full path for "g++" [2024-11-08 23:01:31,523 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:01:31,813 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:01:31,814 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/sv-benchmarks/c/float-newlib/float_req_bl_0930.c [2024-11-08 23:01:31,821 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/data/21d287b65/0abca48f347d43f99a5635d524348a22/FLAG2c894d02c [2024-11-08 23:01:31,836 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/data/21d287b65/0abca48f347d43f99a5635d524348a22 [2024-11-08 23:01:31,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:01:31,839 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:01:31,841 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:01:31,841 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:01:31,846 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:01:31,847 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:01:31" (1/1) ... [2024-11-08 23:01:31,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20733cb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:31, skipping insertion in model container [2024-11-08 23:01:31,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:01:31" (1/1) ... [2024-11-08 23:01:31,874 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:01:32,132 WARN L250 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_1882839a-05dd-4964-b19f-8212ac07243e/sv-benchmarks/c/float-newlib/float_req_bl_0930.c[3104,3117] [2024-11-08 23:01:32,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:01:32,187 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:01:32,283 WARN L250 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_1882839a-05dd-4964-b19f-8212ac07243e/sv-benchmarks/c/float-newlib/float_req_bl_0930.c[3104,3117] [2024-11-08 23:01:32,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:01:32,327 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:01:32,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:32 WrapperNode [2024-11-08 23:01:32,328 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:01:32,329 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:01:32,329 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:01:32,330 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:01:32,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:32" (1/1) ... [2024-11-08 23:01:32,356 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:32" (1/1) ... [2024-11-08 23:01:32,395 INFO L138 Inliner]: procedures = 20, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 156 [2024-11-08 23:01:32,396 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:01:32,396 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:01:32,400 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:01:32,400 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:01:32,410 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:32" (1/1) ... [2024-11-08 23:01:32,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:32" (1/1) ... [2024-11-08 23:01:32,414 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:32" (1/1) ... [2024-11-08 23:01:32,416 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:32" (1/1) ... [2024-11-08 23:01:32,430 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:32" (1/1) ... [2024-11-08 23:01:32,438 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:32" (1/1) ... [2024-11-08 23:01:32,443 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:32" (1/1) ... [2024-11-08 23:01:32,445 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:32" (1/1) ... [2024-11-08 23:01:32,452 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:01:32,456 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:01:32,457 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:01:32,457 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:01:32,457 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:32" (1/1) ... [2024-11-08 23:01:32,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:01:32,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:01:32,501 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:01:32,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:01:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:01:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:01:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:01:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-08 23:01:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 23:01:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:01:32,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:01:32,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-08 23:01:32,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 23:01:32,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:01:32,679 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:01:32,682 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:02:20,073 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-11-08 23:02:20,073 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:02:20,174 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:02:20,174 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-08 23:02:20,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:02:20 BoogieIcfgContainer [2024-11-08 23:02:20,175 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:02:20,176 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:02:20,176 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:02:20,186 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:02:20,187 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:02:20" (1/1) ... [2024-11-08 23:02:20,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:02:20,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:20,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2024-11-08 23:02:20,273 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-08 23:02:20,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:02:20,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:20,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:20,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:20,277 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:20,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:02:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:20,827 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:20,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 23:02:20,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:20,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:02:20,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:02:31,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:02:31,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:31,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2024-11-08 23:02:31,563 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2024-11-08 23:02:31,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:02:31,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:31,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:31,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:31,566 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:31,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:02:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:32,798 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:32,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:02:32,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:33,176 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:02:33,181 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2024-11-08 23:02:33,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:02:33,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-08 23:02:35,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:02:35,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:35,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-11-08 23:02:35,778 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-11-08 23:02:35,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:02:35,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:35,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:35,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:35,782 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:35,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:02:37,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:37,012 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:37,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:37,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 23:02:37,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:37,258 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:02:37,259 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2024-11-08 23:02:37,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:02:37,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 23:02:38,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:02:38,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:38,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2024-11-08 23:02:38,924 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2024-11-08 23:02:38,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 23:02:38,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:38,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:38,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:38,928 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:38,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 23:02:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:39,794 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:39,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 23:02:39,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:39,939 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:02:39,941 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2024-11-08 23:02:40,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:02:40,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 23:02:40,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:40,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2024-11-08 23:02:40,387 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2024-11-08 23:02:40,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:02:40,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:40,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:40,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:40,389 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:40,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 23:02:41,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:41,379 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:41,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:41,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 23:02:41,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:41,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:02:41,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-08 23:02:41,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:41,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2024-11-08 23:02:41,481 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2024-11-08 23:02:41,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:02:41,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:41,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:41,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:41,487 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:41,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 23:02:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:45,638 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:46,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 23:02:46,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:46,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:02:49,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 24 [2024-11-08 23:02:51,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:02:51,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-08 23:03:07,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:03:09,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:03:11,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:03:13,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:03:24,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:03:34,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:03:35,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:35,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 22 states and 23 transitions. [2024-11-08 23:03:35,816 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2024-11-08 23:03:35,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:03:35,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:35,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:35,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:35,820 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:35,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 23:03:36,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:36,822 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:36,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 23:03:36,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:36,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:03:36,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-08 23:03:36,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:36,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 22 states and 21 transitions. [2024-11-08 23:03:36,914 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 21 transitions. [2024-11-08 23:03:36,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:03:36,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:36,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:36,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:36,917 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:36,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 23:03:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:40,668 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:03:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:40,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 23:03:40,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:41,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:03:43,426 INFO L349 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2024-11-08 23:03:43,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 42 [2024-11-08 23:03:49,013 INFO L349 Elim1Store]: treesize reduction 40, result has 36.5 percent of original size [2024-11-08 23:03:49,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 49 [2024-11-08 23:03:49,554 INFO L349 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2024-11-08 23:03:49,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 57 [2024-11-08 23:03:50,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:03:50,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-08 23:03:58,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:04:02,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:04:12,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:04:23,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.76s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:04:30,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:30,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 20 states and 19 transitions. [2024-11-08 23:04:30,585 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions. [2024-11-08 23:04:30,585 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:04:30,586 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-11-08 23:04:30,597 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 23:04:32,657 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 112 128) the Hoare annotation is: true [2024-11-08 23:04:32,658 INFO L77 FloydHoareUtils]: At program point L103-1(lines 103 107) the Hoare annotation is: (exists ((v_arrayElimCell_4 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) (fp ((_ extract 31 31) |ULTIMATE.start___signbit_float_~w~1#1|) ((_ extract 30 23) |ULTIMATE.start___signbit_float_~w~1#1|) ((_ extract 22 0) |ULTIMATE.start___signbit_float_~w~1#1|))) (= ((_ to_fp 8 24) currentRoundingMode 1.0) (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4))))) [2024-11-08 23:04:32,658 INFO L77 FloydHoareUtils]: At program point L37(lines 37 38) the Hoare annotation is: (and (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0) (= (_ bv0 32) |ULTIMATE.start___ieee754_logf_~k~0#1|) (exists ((|v_ULTIMATE.start___ieee754_logf_~#gf_u~0#1.base_22| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_logf_~#gf_u~0#1.base_22|) (_ bv0 32)))) (and (= ((_ to_fp 8 24) currentRoundingMode 1.0) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= |ULTIMATE.start___ieee754_logf_~ix~0#1| .cse0))))) [2024-11-08 23:04:32,659 INFO L77 FloydHoareUtils]: At program point L103-2(lines 103 107) the Hoare annotation is: (exists ((|v_ULTIMATE.start___ieee754_logf_~#gf_u~0#1.base_22| (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_logf_~#sf_u~0#1.base_16| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_logf_~#gf_u~0#1.base_22|) (_ bv0 32)))) (and (= ((_ to_fp 8 24) currentRoundingMode 1.0) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) |ULTIMATE.start___signbit_float_~x#1|) (= (select (select |#memory_int| |v_ULTIMATE.start___ieee754_logf_~#sf_u~0#1.base_16|) (_ bv0 32)) (let ((.cse1 (bvand (_ bv8388607 32) .cse0))) (bvor (bvxor (_ bv1065353216 32) (bvand (_ bv8388608 32) (bvadd (_ bv4913952 32) .cse1))) .cse1)))))) [2024-11-08 23:04:32,659 INFO L77 FloydHoareUtils]: At program point L103-3(lines 103 107) the Hoare annotation is: (exists ((v_arrayElimCell_4 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) (fp ((_ extract 31 31) |ULTIMATE.start___signbit_float_~w~1#1|) ((_ extract 30 23) |ULTIMATE.start___signbit_float_~w~1#1|) ((_ extract 22 0) |ULTIMATE.start___signbit_float_~w~1#1|))) (= ((_ to_fp 8 24) currentRoundingMode 1.0) (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4))))) [2024-11-08 23:04:32,660 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:04:32,660 INFO L77 FloydHoareUtils]: At program point L39(lines 39 47) the Hoare annotation is: (and (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0) (= (_ bv0 32) |ULTIMATE.start___ieee754_logf_~k~0#1|) (exists ((|v_ULTIMATE.start___ieee754_logf_~#gf_u~0#1.base_22| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_logf_~#gf_u~0#1.base_22|) (_ bv0 32)))) (and (= ((_ to_fp 8 24) currentRoundingMode 1.0) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= |ULTIMATE.start___ieee754_logf_~ix~0#1| .cse0))))) [2024-11-08 23:04:32,660 INFO L77 FloydHoareUtils]: At program point L39-1(lines 39 47) the Hoare annotation is: (and (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0) (= (_ bv0 32) |ULTIMATE.start___ieee754_logf_~k~0#1|) (exists ((|v_ULTIMATE.start___ieee754_logf_~#gf_u~0#1.base_22| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_logf_~#gf_u~0#1.base_22|) (_ bv0 32)))) (and (= ((_ to_fp 8 24) currentRoundingMode 1.0) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= |ULTIMATE.start___ieee754_logf_~ix~0#1| .cse0))))) [2024-11-08 23:04:32,661 INFO L77 FloydHoareUtils]: At program point L122(line 122) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short10#1| (exists ((|v_ULTIMATE.start___ieee754_logf_~#gf_u~0#1.base_22| (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_logf_~#sf_u~0#1.base_16| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_logf_~#gf_u~0#1.base_22|) (_ bv0 32)))) (and (= ((_ to_fp 8 24) currentRoundingMode 1.0) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= |ULTIMATE.start_main_~res~0#1| ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))) (= (select (select |#memory_int| |v_ULTIMATE.start___ieee754_logf_~#sf_u~0#1.base_16|) (_ bv0 32)) (let ((.cse1 (bvand (_ bv8388607 32) .cse0))) (bvor (bvxor (_ bv1065353216 32) (bvand (_ bv8388608 32) (bvadd (_ bv4913952 32) .cse1))) .cse1))))))) [2024-11-08 23:04:32,661 INFO L77 FloydHoareUtils]: At program point L122-2(lines 122 125) the Hoare annotation is: |ULTIMATE.start_main_#t~short10#1| [2024-11-08 23:04:32,661 INFO L75 FloydHoareUtils]: For program point L123(line 123) no Hoare annotation was computed. [2024-11-08 23:04:32,662 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 123) no Hoare annotation was computed. [2024-11-08 23:04:32,662 INFO L77 FloydHoareUtils]: At program point L33(lines 33 34) the Hoare annotation is: (and (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0) (= (_ bv0 32) |ULTIMATE.start___ieee754_logf_~k~0#1|) (exists ((|v_ULTIMATE.start___ieee754_logf_~#gf_u~0#1.base_22| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_logf_~#gf_u~0#1.base_22|) (_ bv0 32)))) (and (= ((_ to_fp 8 24) currentRoundingMode 1.0) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= |ULTIMATE.start___ieee754_logf_~ix~0#1| .cse0))))) [2024-11-08 23:04:32,662 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 23:04:32,663 INFO L77 FloydHoareUtils]: At program point __ieee754_logf_returnLabel#1(lines 22 98) the Hoare annotation is: (exists ((|v_ULTIMATE.start___ieee754_logf_~#gf_u~0#1.base_22| (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_logf_~#sf_u~0#1.base_16| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_logf_~#gf_u~0#1.base_22|) (_ bv0 32)))) (and (= ((_ to_fp 8 24) currentRoundingMode 1.0) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= |ULTIMATE.start___ieee754_logf_#res#1| ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))) (= (select (select |#memory_int| |v_ULTIMATE.start___ieee754_logf_~#sf_u~0#1.base_16|) (_ bv0 32)) (let ((.cse1 (bvand (_ bv8388607 32) .cse0))) (bvor (bvxor (_ bv1065353216 32) (bvand (_ bv8388608 32) (bvadd (_ bv4913952 32) .cse1))) .cse1)))))) [2024-11-08 23:04:32,663 INFO L75 FloydHoareUtils]: For program point L42-1(lines 42 46) no Hoare annotation was computed. [2024-11-08 23:04:32,663 INFO L75 FloydHoareUtils]: For program point L42-2(lines 42 46) no Hoare annotation was computed. [2024-11-08 23:04:32,664 INFO L77 FloydHoareUtils]: At program point L26-1(lines 26 30) the Hoare annotation is: (and (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0) (exists ((|v_ULTIMATE.start___ieee754_logf_~#gf_u~0#1.base_22| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_logf_~#gf_u~0#1.base_22|) (_ bv0 32)))) (and (= ((_ to_fp 8 24) currentRoundingMode 1.0) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= |ULTIMATE.start___ieee754_logf_~ix~0#1| .cse0))))) [2024-11-08 23:04:32,664 INFO L77 FloydHoareUtils]: At program point L26-2(lines 26 30) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_logf_~x#1| ((_ to_fp 8 24) currentRoundingMode 1.0)) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0)) [2024-11-08 23:04:32,664 INFO L77 FloydHoareUtils]: At program point L26-3(lines 26 30) the Hoare annotation is: (and (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0) (exists ((|v_ULTIMATE.start___ieee754_logf_~#gf_u~0#1.base_22| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_logf_~#gf_u~0#1.base_22|) (_ bv0 32)))) (and (= ((_ to_fp 8 24) currentRoundingMode 1.0) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= |ULTIMATE.start___ieee754_logf_~ix~0#1| .cse0))))) [2024-11-08 23:04:32,665 INFO L77 FloydHoareUtils]: At program point L51-1(lines 51 55) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start___ieee754_logf_~#gf_u~0#1.base_22| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_logf_~#gf_u~0#1.base_22|) (_ bv0 32)))) (and (= ((_ to_fp 8 24) currentRoundingMode 1.0) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= (bvadd (_ bv127 32) |ULTIMATE.start___ieee754_logf_~k~0#1|) (bvashr .cse0 (_ bv23 32))) (= |ULTIMATE.start___ieee754_logf_~ix~0#1| (bvand (_ bv8388607 32) .cse0))))) (= |ULTIMATE.start___ieee754_logf_~i~0#1| (bvand (_ bv8388608 32) (bvadd (_ bv4913952 32) |ULTIMATE.start___ieee754_logf_~ix~0#1|))) (exists ((|v_ULTIMATE.start___ieee754_logf_~#sf_u~0#1.base_16| (_ BitVec 32))) (let ((.cse1 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_logf_~#sf_u~0#1.base_16|) (_ bv0 32)))) (and (= (bvor (bvxor (_ bv1065353216 32) |ULTIMATE.start___ieee754_logf_~i~0#1|) |ULTIMATE.start___ieee754_logf_~ix~0#1|) .cse1) (= (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)) |ULTIMATE.start___ieee754_logf_~x#1|)))) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0)) [2024-11-08 23:04:32,665 INFO L77 FloydHoareUtils]: At program point L51-2(lines 51 55) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start___ieee754_logf_~#gf_u~0#1.base_22| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_logf_~#gf_u~0#1.base_22|) (_ bv0 32)))) (and (= ((_ to_fp 8 24) currentRoundingMode 1.0) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= (bvadd (_ bv127 32) |ULTIMATE.start___ieee754_logf_~k~0#1|) (bvashr .cse0 (_ bv23 32))) (= |ULTIMATE.start___ieee754_logf_~ix~0#1| (bvand (_ bv8388607 32) .cse0))))) (= |ULTIMATE.start___ieee754_logf_~i~0#1| (bvand (_ bv8388608 32) (bvadd (_ bv4913952 32) |ULTIMATE.start___ieee754_logf_~ix~0#1|))) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0)) [2024-11-08 23:04:32,666 INFO L77 FloydHoareUtils]: At program point L51-3(lines 51 55) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start___ieee754_logf_~#gf_u~0#1.base_22| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_logf_~#gf_u~0#1.base_22|) (_ bv0 32)))) (and (= ((_ to_fp 8 24) currentRoundingMode 1.0) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= (bvadd (_ bv127 32) |ULTIMATE.start___ieee754_logf_~k~0#1|) (bvashr .cse0 (_ bv23 32))) (= |ULTIMATE.start___ieee754_logf_~ix~0#1| (bvand (_ bv8388607 32) .cse0))))) (= |ULTIMATE.start___ieee754_logf_~i~0#1| (bvand (_ bv8388608 32) (bvadd (_ bv4913952 32) |ULTIMATE.start___ieee754_logf_~ix~0#1|))) (exists ((|v_ULTIMATE.start___ieee754_logf_~#sf_u~0#1.base_16| (_ BitVec 32))) (let ((.cse1 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_logf_~#sf_u~0#1.base_16|) (_ bv0 32)))) (and (= (bvor (bvxor (_ bv1065353216 32) |ULTIMATE.start___ieee754_logf_~i~0#1|) |ULTIMATE.start___ieee754_logf_~ix~0#1|) .cse1) (= (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)) |ULTIMATE.start___ieee754_logf_~x#1|)))) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0)) [2024-11-08 23:04:32,666 INFO L77 FloydHoareUtils]: At program point L35(lines 35 36) the Hoare annotation is: (and (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0) (= (_ bv0 32) |ULTIMATE.start___ieee754_logf_~k~0#1|) (exists ((|v_ULTIMATE.start___ieee754_logf_~#gf_u~0#1.base_22| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_logf_~#gf_u~0#1.base_22|) (_ bv0 32)))) (and (= ((_ to_fp 8 24) currentRoundingMode 1.0) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= |ULTIMATE.start___ieee754_logf_~ix~0#1| .cse0))))) [2024-11-08 23:04:32,688 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-08 23:04:32,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:04:32 ImpRootNode [2024-11-08 23:04:32,691 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:04:32,692 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:04:32,692 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:04:32,692 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:04:32,693 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:02:20" (3/4) ... [2024-11-08 23:04:32,696 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:04:32,707 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2024-11-08 23:04:32,707 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-08 23:04:32,707 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 23:04:32,708 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:04:32,843 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:04:32,844 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 23:04:32,844 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:04:32,845 INFO L158 Benchmark]: Toolchain (without parser) took 181005.42ms. Allocated memory is still 67.1MB. Free memory was 43.3MB in the beginning and 29.8MB in the end (delta: 13.5MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2024-11-08 23:04:32,845 INFO L158 Benchmark]: CDTParser took 0.73ms. Allocated memory is still 54.5MB. Free memory is still 31.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:04:32,845 INFO L158 Benchmark]: CACSL2BoogieTranslator took 487.52ms. Allocated memory is still 67.1MB. Free memory was 43.2MB in the beginning and 43.4MB in the end (delta: -293.8kB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-08 23:04:32,846 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.73ms. Allocated memory is still 67.1MB. Free memory was 43.4MB in the beginning and 41.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:04:32,846 INFO L158 Benchmark]: Boogie Preprocessor took 59.41ms. Allocated memory is still 67.1MB. Free memory was 41.3MB in the beginning and 39.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:04:32,846 INFO L158 Benchmark]: RCFGBuilder took 47718.90ms. Allocated memory is still 67.1MB. Free memory was 39.3MB in the beginning and 31.9MB in the end (delta: 7.4MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2024-11-08 23:04:32,847 INFO L158 Benchmark]: CodeCheck took 132515.39ms. Allocated memory is still 67.1MB. Free memory was 31.9MB in the beginning and 35.3MB in the end (delta: -3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:04:32,847 INFO L158 Benchmark]: Witness Printer took 152.33ms. Allocated memory is still 67.1MB. Free memory was 35.3MB in the beginning and 29.8MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 23:04:32,849 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: 130.4s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 19 mSolverCounterUnknown, 379 SdHoareTripleChecker+Valid, 249.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 100 mSDsluCounter, 232 SdHoareTripleChecker+Invalid, 241.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 64 mSDsCounter, 82 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 311 IncrementalHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 82 mSolverCounterUnsat, 168 mSDtfsCounter, 311 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 812 GetRequests, 760 SyntacticMatches, 12 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 557 ImplicationChecksByTransitivity, 25.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 16.7s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 98 ConstructedInterpolants, 41 QuantifiedInterpolants, 1458 SizeOfPredicates, 47 NumberOfNonLiveVariables, 440 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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: 123]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73ms. Allocated memory is still 54.5MB. Free memory is still 31.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 487.52ms. Allocated memory is still 67.1MB. Free memory was 43.2MB in the beginning and 43.4MB in the end (delta: -293.8kB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.73ms. Allocated memory is still 67.1MB. Free memory was 43.4MB in the beginning and 41.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.41ms. Allocated memory is still 67.1MB. Free memory was 41.3MB in the beginning and 39.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 47718.90ms. Allocated memory is still 67.1MB. Free memory was 39.3MB in the beginning and 31.9MB in the end (delta: 7.4MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * CodeCheck took 132515.39ms. Allocated memory is still 67.1MB. Free memory was 31.9MB in the beginning and 35.3MB in the end (delta: -3.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 152.33ms. Allocated memory is still 67.1MB. Free memory was 35.3MB in the beginning and 29.8MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression RESULT: Ultimate proved your program to be correct! [2024-11-08 23:04:33,065 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-08 23:04:33,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1882839a-05dd-4964-b19f-8212ac07243e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE