./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1210.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/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_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1210.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/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_d1e4e423-d390-4890-b14f-7b3b6204c31a/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 72a09b82a82aabea0c4a084a3d99a9a83ff3f66f3965fc10414482ebb802703c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:14:55,129 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:14:55,221 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:14:55,228 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:14:55,231 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:14:55,265 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:14:55,267 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:14:55,267 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:14:55,268 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:14:55,269 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:14:55,270 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:14:55,270 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:14:55,271 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:14:55,271 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:14:55,271 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:14:55,273 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:14:55,274 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:14:55,274 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:14:55,275 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:14:55,275 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:14:55,275 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:14:55,280 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:14:55,281 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:14:55,281 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:14:55,281 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:14:55,281 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:14:55,282 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:14:55,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:14:55,282 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:14:55,282 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:14:55,283 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:14:55,283 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:14:55,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:14:55,283 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_d1e4e423-d390-4890-b14f-7b3b6204c31a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72a09b82a82aabea0c4a084a3d99a9a83ff3f66f3965fc10414482ebb802703c [2024-11-09 00:14:55,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:14:55,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:14:55,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:14:55,573 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:14:55,575 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:14:55,576 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-newlib/float_req_bl_1210.c Unable to find full path for "g++" [2024-11-09 00:14:57,556 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:14:57,796 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:14:57,797 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/sv-benchmarks/c/float-newlib/float_req_bl_1210.c [2024-11-09 00:14:57,804 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/data/508428f7f/9006d8add5c54f7f917234ad849962ba/FLAG05a48e25e [2024-11-09 00:14:57,818 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/data/508428f7f/9006d8add5c54f7f917234ad849962ba [2024-11-09 00:14:57,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:14:57,823 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:14:57,824 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:14:57,825 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:14:57,831 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:14:57,832 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:14:57" (1/1) ... [2024-11-09 00:14:57,833 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f0c631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:57, skipping insertion in model container [2024-11-09 00:14:57,833 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:14:57" (1/1) ... [2024-11-09 00:14:57,858 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:14:58,089 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_d1e4e423-d390-4890-b14f-7b3b6204c31a/sv-benchmarks/c/float-newlib/float_req_bl_1210.c[2159,2172] [2024-11-09 00:14:58,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:14:58,103 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:14:58,132 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_d1e4e423-d390-4890-b14f-7b3b6204c31a/sv-benchmarks/c/float-newlib/float_req_bl_1210.c[2159,2172] [2024-11-09 00:14:58,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:14:58,149 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:14:58,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:58 WrapperNode [2024-11-09 00:14:58,149 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:14:58,150 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:14:58,150 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:14:58,150 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:14:58,158 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:58" (1/1) ... [2024-11-09 00:14:58,165 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:58" (1/1) ... [2024-11-09 00:14:58,187 INFO L138 Inliner]: procedures = 16, calls = 48, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 170 [2024-11-09 00:14:58,188 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:14:58,188 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:14:58,189 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:14:58,189 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:14:58,199 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:58" (1/1) ... [2024-11-09 00:14:58,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:58" (1/1) ... [2024-11-09 00:14:58,203 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:58" (1/1) ... [2024-11-09 00:14:58,203 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:58" (1/1) ... [2024-11-09 00:14:58,211 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:58" (1/1) ... [2024-11-09 00:14:58,215 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:58" (1/1) ... [2024-11-09 00:14:58,217 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:58" (1/1) ... [2024-11-09 00:14:58,219 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:58" (1/1) ... [2024-11-09 00:14:58,221 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:14:58,222 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:14:58,223 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:14:58,223 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:14:58,224 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:58" (1/1) ... [2024-11-09 00:14:58,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:14:58,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:14:58,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:14:58,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:14:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:14:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:14:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:14:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2024-11-09 00:14:58,291 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2024-11-09 00:14:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-09 00:14:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 00:14:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-09 00:14:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:14:58,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:14:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 00:14:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:14:58,380 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:14:58,382 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:14:58,679 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-09 00:14:58,679 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:14:58,785 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:14:58,787 INFO L316 CfgBuilder]: Removed 14 assume(true) statements. [2024-11-09 00:14:58,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:14:58 BoogieIcfgContainer [2024-11-09 00:14:58,787 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:14:58,788 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:14:58,789 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:14:58,799 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:14:58,800 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:14:58" (1/1) ... [2024-11-09 00:14:58,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:14:58,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:58,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2024-11-09 00:14:58,910 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2024-11-09 00:14:58,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:14:58,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:58,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:59,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:14:59,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:59,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 36 states and 50 transitions. [2024-11-09 00:14:59,129 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2024-11-09 00:14:59,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:14:59,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:59,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:59,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:14:59,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:59,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2024-11-09 00:14:59,253 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2024-11-09 00:14:59,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:14:59,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:59,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:59,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:14:59,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:59,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 36 states and 44 transitions. [2024-11-09 00:14:59,375 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2024-11-09 00:14:59,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:14:59,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:59,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:59,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:14:59,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:59,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 37 states and 45 transitions. [2024-11-09 00:14:59,526 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2024-11-09 00:14:59,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 00:14:59,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:59,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:14:59,605 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:14:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:14:59,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:14:59,765 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:14:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:14:59,830 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2024-11-09 00:14:59,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:14:59 ImpRootNode [2024-11-09 00:14:59,871 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:14:59,873 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:14:59,873 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:14:59,873 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:14:59,874 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:14:58" (3/4) ... [2024-11-09 00:14:59,876 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:14:59,877 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:14:59,878 INFO L158 Benchmark]: Toolchain (without parser) took 2055.14ms. Allocated memory is still 165.7MB. Free memory was 133.3MB in the beginning and 88.9MB in the end (delta: 44.4MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2024-11-09 00:14:59,879 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:14:59,879 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.04ms. Allocated memory is still 165.7MB. Free memory was 133.3MB in the beginning and 119.6MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:14:59,881 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.96ms. Allocated memory is still 165.7MB. Free memory was 119.6MB in the beginning and 117.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:14:59,882 INFO L158 Benchmark]: Boogie Preprocessor took 33.31ms. Allocated memory is still 165.7MB. Free memory was 117.6MB in the beginning and 116.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:14:59,883 INFO L158 Benchmark]: RCFGBuilder took 565.13ms. Allocated memory is still 165.7MB. Free memory was 115.9MB in the beginning and 91.9MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-09 00:14:59,884 INFO L158 Benchmark]: CodeCheck took 1082.99ms. Allocated memory is still 165.7MB. Free memory was 91.9MB in the beginning and 90.0MB in the end (delta: 1.9MB). Peak memory consumption was 882.5kB. Max. memory is 16.1GB. [2024-11-09 00:14:59,885 INFO L158 Benchmark]: Witness Printer took 4.72ms. Allocated memory is still 165.7MB. Free memory was 90.0MB in the beginning and 88.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:14:59,890 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 2 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 250 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 114 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 114 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 424 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 2 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, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 61 ConstructedInterpolants, 0 QuantifiedInterpolants, 62 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 88]: 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 75, overapproximation of someBinaryArithmeticFLOAToperation at line 82. Possible FailurePath: [L13] static const float one_modf = 1.0; [L82] float x = 0.0f / 0.0f; [L83] float iptr; [L84] CALL, EXPR modf_float(x, &iptr) [L16] __int32_t i0, j0; [L17] __uint32_t i; VAL [iptr={13748:0}, one_modf=1] [L19] ieee_float_shape_type gf_u; [L20] gf_u.value = (x) [L21] EXPR gf_u.word [L21] (i0) = gf_u.word [L23] j0 = ((i0 >> 23) & 0xff) - 0x7f VAL [i0=0, iptr={13748:0}, j0=-127, one_modf=1, x=7] [L24] COND TRUE j0 < 23 VAL [i0=0, iptr={13748:0}, j0=-127, one_modf=1, x=7] [L25] COND TRUE j0 < 0 VAL [i0=0, iptr={13748:0}, one_modf=1, x=7] [L27] ieee_float_shape_type sf_u; [L28] sf_u.word = (i0 & 0x80000000) [L29] EXPR sf_u.value [L29] (*iptr) = sf_u.value [L31] return x; VAL [\result=7, i0=0, iptr={13748:0}, one_modf=1] [L84] RET, EXPR modf_float(x, &iptr) [L84] float res = modf_float(x, &iptr); [L87] EXPR \read(iptr) VAL [one_modf=1, res=7] [L87] CALL, EXPR isnan_float(iptr) VAL [\old(x)=2, one_modf=1] [L75] return x != x; [L87] RET, EXPR isnan_float(iptr) VAL [one_modf=1, res=7] [L87] isnan_float(iptr) && !isnan_float(res) VAL [one_modf=1, res=7] [L87] CALL, EXPR isnan_float(res) VAL [\old(x)=7, one_modf=1] [L75] return x != x; [L87] RET, EXPR isnan_float(res) VAL [one_modf=1, res=7] [L87] isnan_float(iptr) && !isnan_float(res) VAL [one_modf=1, res=7] [L87] COND TRUE isnan_float(iptr) && !isnan_float(res) [L88] reach_error() VAL [one_modf=1, res=7] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.04ms. Allocated memory is still 165.7MB. Free memory was 133.3MB in the beginning and 119.6MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.96ms. Allocated memory is still 165.7MB. Free memory was 119.6MB in the beginning and 117.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.31ms. Allocated memory is still 165.7MB. Free memory was 117.6MB in the beginning and 116.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 565.13ms. Allocated memory is still 165.7MB. Free memory was 115.9MB in the beginning and 91.9MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 1082.99ms. Allocated memory is still 165.7MB. Free memory was 91.9MB in the beginning and 90.0MB in the end (delta: 1.9MB). Peak memory consumption was 882.5kB. Max. memory is 16.1GB. * Witness Printer took 4.72ms. Allocated memory is still 165.7MB. Free memory was 90.0MB in the beginning and 88.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:14:59,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/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_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1210.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/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_d1e4e423-d390-4890-b14f-7b3b6204c31a/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 72a09b82a82aabea0c4a084a3d99a9a83ff3f66f3965fc10414482ebb802703c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:15:02,300 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:15:02,373 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 00:15:02,405 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:15:02,406 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:15:02,406 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:15:02,407 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:15:02,407 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:15:02,408 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:15:02,408 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:15:02,409 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:15:02,409 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:15:02,409 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:15:02,410 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:15:02,410 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:15:02,410 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:15:02,411 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:15:02,411 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:15:02,411 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:15:02,412 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:15:02,412 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:15:02,413 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:15:02,413 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:15:02,413 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:15:02,414 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:15:02,414 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:15:02,414 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:02,414 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:15:02,415 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:15:02,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:15:02,416 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:15:02,416 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:15:02,416 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:15:02,416 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:15:02,417 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:02,417 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:15:02,417 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_d1e4e423-d390-4890-b14f-7b3b6204c31a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72a09b82a82aabea0c4a084a3d99a9a83ff3f66f3965fc10414482ebb802703c [2024-11-09 00:15:02,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:15:02,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:15:02,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:15:02,836 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:15:02,837 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:15:02,839 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-newlib/float_req_bl_1210.c Unable to find full path for "g++" [2024-11-09 00:15:05,019 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:15:05,248 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:15:05,249 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/sv-benchmarks/c/float-newlib/float_req_bl_1210.c [2024-11-09 00:15:05,259 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/data/873645344/b2fa0c16922d4d1a9a2e83d77cd3225e/FLAGf9a01bc51 [2024-11-09 00:15:05,597 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/data/873645344/b2fa0c16922d4d1a9a2e83d77cd3225e [2024-11-09 00:15:05,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:15:05,600 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:15:05,601 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:15:05,602 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:15:05,607 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:15:05,608 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:15:05" (1/1) ... [2024-11-09 00:15:05,609 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@560ff7ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:05, skipping insertion in model container [2024-11-09 00:15:05,609 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:15:05" (1/1) ... [2024-11-09 00:15:05,633 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:15:05,847 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_d1e4e423-d390-4890-b14f-7b3b6204c31a/sv-benchmarks/c/float-newlib/float_req_bl_1210.c[2159,2172] [2024-11-09 00:15:05,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:15:05,877 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:15:05,922 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_d1e4e423-d390-4890-b14f-7b3b6204c31a/sv-benchmarks/c/float-newlib/float_req_bl_1210.c[2159,2172] [2024-11-09 00:15:05,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:15:05,951 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:15:05,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:05 WrapperNode [2024-11-09 00:15:05,952 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:15:05,953 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:15:05,953 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:15:05,953 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:15:05,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:05" (1/1) ... [2024-11-09 00:15:05,977 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:05" (1/1) ... [2024-11-09 00:15:06,009 INFO L138 Inliner]: procedures = 19, calls = 48, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 146 [2024-11-09 00:15:06,009 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:15:06,010 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:15:06,010 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:15:06,011 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:15:06,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:05" (1/1) ... [2024-11-09 00:15:06,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:05" (1/1) ... [2024-11-09 00:15:06,028 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:05" (1/1) ... [2024-11-09 00:15:06,028 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:05" (1/1) ... [2024-11-09 00:15:06,043 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:05" (1/1) ... [2024-11-09 00:15:06,050 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:05" (1/1) ... [2024-11-09 00:15:06,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:05" (1/1) ... [2024-11-09 00:15:06,061 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:05" (1/1) ... [2024-11-09 00:15:06,064 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:15:06,069 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:15:06,069 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:15:06,069 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:15:06,070 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:05" (1/1) ... [2024-11-09 00:15:06,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:15:06,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:15:06,107 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:15:06,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:15:06,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:15:06,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:15:06,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:15:06,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-09 00:15:06,169 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2024-11-09 00:15:06,169 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2024-11-09 00:15:06,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 00:15:06,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:15:06,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:15:06,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-09 00:15:06,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 00:15:06,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:15:06,303 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:15:06,305 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:15:06,692 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-09 00:15:06,692 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:15:06,725 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:15:06,726 INFO L316 CfgBuilder]: Removed 14 assume(true) statements. [2024-11-09 00:15:06,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:15:06 BoogieIcfgContainer [2024-11-09 00:15:06,726 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:15:06,727 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:15:06,727 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:15:06,737 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:15:06,738 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:15:06" (1/1) ... [2024-11-09 00:15:06,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:15:06,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:06,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2024-11-09 00:15:06,802 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2024-11-09 00:15:06,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:15:06,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:06,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:06,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:06,811 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:06,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:15:06,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:06,956 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:07,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:07,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 00:15:07,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:07,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:15:07,063 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:15:07,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-09 00:15:07,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:07,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 36 states and 50 transitions. [2024-11-09 00:15:07,106 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2024-11-09 00:15:07,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:15:07,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:07,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:07,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:07,111 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:07,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:15:07,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:07,258 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:07,315 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 00:15:07,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:07,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:15:07,323 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:15:07,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-09 00:15:07,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:07,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2024-11-09 00:15:07,341 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2024-11-09 00:15:07,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:15:07,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:07,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:07,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:07,345 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:07,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 00:15:07,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:07,478 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:07,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:07,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 00:15:07,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:07,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:15:07,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 00:15:07,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:07,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 36 states and 44 transitions. [2024-11-09 00:15:07,538 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2024-11-09 00:15:07,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:15:07,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:07,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:07,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:07,547 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:07,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 00:15:07,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:07,703 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:07,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:15:07,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:07,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:15:07,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-09 00:15:07,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:07,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 37 states and 45 transitions. [2024-11-09 00:15:07,824 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2024-11-09 00:15:07,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 00:15:07,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:07,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:07,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:07,829 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:07,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 00:15:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:08,052 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:08,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:08,111 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:15:08,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:08,320 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 [2024-11-09 00:15:08,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2024-11-09 00:15:08,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 32 [2024-11-09 00:15:08,386 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:15:08,389 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2024-11-09 00:15:08,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2024-11-09 00:15:08,618 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 55 treesize of output 31 [2024-11-09 00:15:08,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:15:08,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-09 00:15:10,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:10,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 41 states and 53 transitions. [2024-11-09 00:15:10,054 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 53 transitions. [2024-11-09 00:15:10,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 00:15:10,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:10,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:10,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:10,058 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:10,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 00:15:10,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:10,205 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:10,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 00:15:10,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:10,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:15:10,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-09 00:15:10,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:10,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 49 transitions. [2024-11-09 00:15:10,276 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2024-11-09 00:15:10,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 00:15:10,278 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:10,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:10,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:10,281 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:10,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-09 00:15:10,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:10,567 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:10,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:10,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 00:15:10,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:10,666 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 [2024-11-09 00:15:11,363 INFO L349 Elim1Store]: treesize reduction 77, result has 28.0 percent of original size [2024-11-09 00:15:11,363 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 2 case distinctions, treesize of input 149 treesize of output 109 [2024-11-09 00:15:11,509 INFO L349 Elim1Store]: treesize reduction 70, result has 20.5 percent of original size [2024-11-09 00:15:11,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 143 treesize of output 147 [2024-11-09 00:15:11,520 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:15:11,522 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2024-11-09 00:15:11,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 68 treesize of output 52 [2024-11-09 00:15:11,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-09 00:15:11,697 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:467) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-09 00:15:11,703 INFO L158 Benchmark]: Toolchain (without parser) took 6102.85ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 56.2MB in the beginning and 50.8MB in the end (delta: 5.5MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2024-11-09 00:15:11,704 INFO L158 Benchmark]: CDTParser took 1.04ms. Allocated memory is still 79.7MB. Free memory was 55.7MB in the beginning and 55.5MB in the end (delta: 141.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:15:11,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.98ms. Allocated memory is still 79.7MB. Free memory was 56.2MB in the beginning and 41.9MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:15:11,706 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.41ms. Allocated memory is still 79.7MB. Free memory was 41.9MB in the beginning and 39.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:15:11,707 INFO L158 Benchmark]: Boogie Preprocessor took 58.29ms. Allocated memory is still 79.7MB. Free memory was 39.9MB in the beginning and 38.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:15:11,708 INFO L158 Benchmark]: RCFGBuilder took 657.52ms. Allocated memory is still 79.7MB. Free memory was 38.1MB in the beginning and 42.7MB in the end (delta: -4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:15:11,710 INFO L158 Benchmark]: CodeCheck took 4975.41ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 42.7MB in the beginning and 50.8MB in the end (delta: -8.1MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2024-11-09 00:15:11,712 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.04ms. Allocated memory is still 79.7MB. Free memory was 55.7MB in the beginning and 55.5MB in the end (delta: 141.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.98ms. Allocated memory is still 79.7MB. Free memory was 56.2MB in the beginning and 41.9MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.41ms. Allocated memory is still 79.7MB. Free memory was 41.9MB in the beginning and 39.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.29ms. Allocated memory is still 79.7MB. Free memory was 39.9MB in the beginning and 38.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 657.52ms. Allocated memory is still 79.7MB. Free memory was 38.1MB in the beginning and 42.7MB in the end (delta: -4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * CodeCheck took 4975.41ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 42.7MB in the beginning and 50.8MB in the end (delta: -8.1MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:15:11,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1e4e423-d390-4890-b14f-7b3b6204c31a/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: No Interpolants