./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1072b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm --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 be73f52cb7fef2aadd52631c6570f78c982923e81de6f6701c226e9332c8fefa --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:10:48,558 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:10:48,642 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:10:48,651 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:10:48,652 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:10:48,688 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:10:48,689 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:10:48,689 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:10:48,689 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:10:48,689 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:10:48,690 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:10:48,690 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:10:48,690 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:10:48,692 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:10:48,693 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:10:48,693 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:10:48,693 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:10:48,693 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:10:48,693 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:10:48,693 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:10:48,694 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:10:48,694 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:10:48,694 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:10:48,694 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:10:48,694 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:10:48,694 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:10:48,695 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:10:48,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:10:48,695 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:10:48,695 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:10:48,695 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:10:48,695 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:10:48,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:10:48,695 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm 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 -> be73f52cb7fef2aadd52631c6570f78c982923e81de6f6701c226e9332c8fefa [2024-11-13 23:10:49,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:10:49,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:10:49,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:10:49,047 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:10:49,047 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:10:49,048 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/float_req_bl_1072b.c Unable to find full path for "g++" [2024-11-13 23:10:50,953 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:10:51,193 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:10:51,194 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/sv-benchmarks/c/float-newlib/float_req_bl_1072b.c [2024-11-13 23:10:51,201 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/data/a5be0d3de/6cb13bf2a5de4cdf9b86a5a23d909284/FLAG1d0215b6e [2024-11-13 23:10:51,215 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/data/a5be0d3de/6cb13bf2a5de4cdf9b86a5a23d909284 [2024-11-13 23:10:51,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:10:51,223 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:10:51,224 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:10:51,224 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:10:51,229 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:10:51,230 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:10:51" (1/1) ... [2024-11-13 23:10:51,231 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1358952c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:51, skipping insertion in model container [2024-11-13 23:10:51,231 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:10:51" (1/1) ... [2024-11-13 23:10:51,247 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:10:51,477 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_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/sv-benchmarks/c/float-newlib/float_req_bl_1072b.c[1610,1623] [2024-11-13 23:10:51,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:10:51,493 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:10:51,528 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_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/sv-benchmarks/c/float-newlib/float_req_bl_1072b.c[1610,1623] [2024-11-13 23:10:51,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:10:51,548 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:10:51,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:51 WrapperNode [2024-11-13 23:10:51,549 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:10:51,551 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:10:51,552 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:10:51,552 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:10:51,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:51" (1/1) ... [2024-11-13 23:10:51,571 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:51" (1/1) ... [2024-11-13 23:10:51,606 INFO L138 Inliner]: procedures = 16, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 115 [2024-11-13 23:10:51,607 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:10:51,607 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:10:51,607 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:10:51,608 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:10:51,620 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:51" (1/1) ... [2024-11-13 23:10:51,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:51" (1/1) ... [2024-11-13 23:10:51,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:51" (1/1) ... [2024-11-13 23:10:51,626 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:51" (1/1) ... [2024-11-13 23:10:51,640 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:51" (1/1) ... [2024-11-13 23:10:51,646 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:51" (1/1) ... [2024-11-13 23:10:51,648 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:51" (1/1) ... [2024-11-13 23:10:51,649 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:51" (1/1) ... [2024-11-13 23:10:51,654 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:10:51,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:10:51,655 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:10:51,655 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:10:51,659 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:51" (1/1) ... [2024-11-13 23:10:51,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:10:51,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:10:51,699 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:10:51,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:10:51,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:10:51,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:10:51,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 23:10:51,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-13 23:10:51,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 23:10:51,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-13 23:10:51,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:10:51,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:10:51,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 23:10:51,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:10:51,838 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:10:51,840 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:10:52,172 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 23:10:52,172 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:10:52,378 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:10:52,378 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-13 23:10:52,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:10:52 BoogieIcfgContainer [2024-11-13 23:10:52,379 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:10:52,379 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:10:52,379 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:10:52,390 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:10:52,391 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:10:52" (1/1) ... [2024-11-13 23:10:52,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:10:52,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:52,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 32 transitions. [2024-11-13 23:10:52,464 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 32 transitions. [2024-11-13 23:10:52,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 23:10:52,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:52,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:52,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:52,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:52,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:52,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-11-13 23:10:52,652 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-11-13 23:10:52,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:10:52,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:52,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:53,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:53,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:53,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2024-11-13 23:10:53,177 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-11-13 23:10:53,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 23:10:53,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:53,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:10:53,250 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:10:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:10:53,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:10:53,352 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:10:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:10:53,415 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-13 23:10:53,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:10:53 ImpRootNode [2024-11-13 23:10:53,452 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:10:53,453 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:10:53,454 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:10:53,454 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:10:53,455 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:10:52" (3/4) ... [2024-11-13 23:10:53,457 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:10:53,458 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:10:53,459 INFO L158 Benchmark]: Toolchain (without parser) took 2236.17ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 59.7MB in the end (delta: 33.2MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2024-11-13 23:10:53,462 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:10:53,463 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.10ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 81.3MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:10:53,463 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.58ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 79.7MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:10:53,464 INFO L158 Benchmark]: Boogie Preprocessor took 46.76ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:10:53,464 INFO L158 Benchmark]: RCFGBuilder took 723.86ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 54.8MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 23:10:53,464 INFO L158 Benchmark]: CodeCheck took 1073.09ms. Allocated memory is still 117.4MB. Free memory was 54.8MB in the beginning and 60.3MB in the end (delta: -5.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:10:53,465 INFO L158 Benchmark]: Witness Printer took 5.28ms. Allocated memory is still 117.4MB. Free memory was 59.7MB in the beginning and 59.7MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:10:53,467 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 66 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 26 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 133 GetRequests, 131 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, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 68]: 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 bitwiseAnd at line 21, overapproximation of someBinaryArithmeticFLOAToperation at line 63. Possible FailurePath: [L63] float x = -1.0f / 0.0f; [L64] CALL, EXPR trunc_float(x) [L14] __int32_t signbit, w, exponent_less_127; [L16] ieee_float_shape_type gf_u; [L17] gf_u.value = (x) [L18] EXPR gf_u.word [L18] (w) = gf_u.word [L20] signbit = w & 0x80000000 [L21] EXPR w & 0x7f800000 [L21] exponent_less_127 = ((w & 0x7f800000) >> 23) - 127 [L22] COND FALSE !(exponent_less_127 < 23) VAL [exponent_less_127=128, signbit=0, w=2139095040, x=2] [L38] COND FALSE !(exponent_less_127 == 255) VAL [signbit=0, w=2139095040, x=2] [L41] return x; VAL [\result=2, signbit=0, w=2139095040] [L64] RET, EXPR trunc_float(x) [L64] float res = trunc_float(x); [L67] CALL, EXPR isinf_float(res) [L46] __int32_t ix; VAL [x=2] [L48] ieee_float_shape_type gf_u; [L49] gf_u.value = (x) [L50] EXPR gf_u.word [L50] (ix) = gf_u.word [L52] ix &= 0x7fffffff [L53] return ((ix) == 0x7f800000L); [L67] RET, EXPR isinf_float(res) [L67] COND TRUE !isinf_float(res) [L68] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.10ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 81.3MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.58ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 79.7MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.76ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 723.86ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 54.8MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 1073.09ms. Allocated memory is still 117.4MB. Free memory was 54.8MB in the beginning and 60.3MB in the end (delta: -5.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.28ms. Allocated memory is still 117.4MB. Free memory was 59.7MB in the beginning and 59.7MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:10:53,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm --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 be73f52cb7fef2aadd52631c6570f78c982923e81de6f6701c226e9332c8fefa --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:10:56,225 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:10:56,373 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 23:10:56,420 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:10:56,421 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:10:56,421 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:10:56,421 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:10:56,421 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:10:56,422 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:10:56,422 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:10:56,422 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:10:56,422 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:10:56,422 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:10:56,422 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:10:56,422 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:10:56,422 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:10:56,422 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:10:56,423 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:10:56,423 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:10:56,423 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:10:56,423 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:10:56,423 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:10:56,423 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:10:56,423 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:10:56,423 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:10:56,423 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:10:56,424 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:10:56,424 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:10:56,426 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:10:56,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:10:56,426 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:10:56,426 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:10:56,426 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:10:56,426 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:10:56,427 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:10:56,427 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:10:56,427 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm 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 -> be73f52cb7fef2aadd52631c6570f78c982923e81de6f6701c226e9332c8fefa [2024-11-13 23:10:56,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:10:56,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:10:56,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:10:56,776 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:10:56,777 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:10:56,780 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/float_req_bl_1072b.c Unable to find full path for "g++" [2024-11-13 23:10:58,706 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:10:58,983 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:10:58,984 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/sv-benchmarks/c/float-newlib/float_req_bl_1072b.c [2024-11-13 23:10:58,996 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/data/1a3264a82/ad7c23bcbe4342a1943f2a56f7f43f30/FLAGbf608c0c8 [2024-11-13 23:10:59,025 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/data/1a3264a82/ad7c23bcbe4342a1943f2a56f7f43f30 [2024-11-13 23:10:59,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:10:59,032 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:10:59,035 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:10:59,035 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:10:59,041 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:10:59,042 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:10:59" (1/1) ... [2024-11-13 23:10:59,043 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fd8abd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:59, skipping insertion in model container [2024-11-13 23:10:59,043 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:10:59" (1/1) ... [2024-11-13 23:10:59,063 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:10:59,266 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_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/sv-benchmarks/c/float-newlib/float_req_bl_1072b.c[1610,1623] [2024-11-13 23:10:59,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:10:59,284 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:10:59,307 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_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/sv-benchmarks/c/float-newlib/float_req_bl_1072b.c[1610,1623] [2024-11-13 23:10:59,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:10:59,327 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:10:59,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:59 WrapperNode [2024-11-13 23:10:59,328 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:10:59,329 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:10:59,329 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:10:59,329 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:10:59,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:59" (1/1) ... [2024-11-13 23:10:59,352 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:59" (1/1) ... [2024-11-13 23:10:59,376 INFO L138 Inliner]: procedures = 19, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 85 [2024-11-13 23:10:59,378 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:10:59,379 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:10:59,379 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:10:59,379 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:10:59,387 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:59" (1/1) ... [2024-11-13 23:10:59,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:59" (1/1) ... [2024-11-13 23:10:59,392 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:59" (1/1) ... [2024-11-13 23:10:59,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:59" (1/1) ... [2024-11-13 23:10:59,413 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:59" (1/1) ... [2024-11-13 23:10:59,425 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:59" (1/1) ... [2024-11-13 23:10:59,427 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:59" (1/1) ... [2024-11-13 23:10:59,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:59" (1/1) ... [2024-11-13 23:10:59,434 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:10:59,435 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:10:59,439 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:10:59,439 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:10:59,440 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:59" (1/1) ... [2024-11-13 23:10:59,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:10:59,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:10:59,478 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:10:59,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:10:59,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:10:59,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:10:59,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 23:10:59,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-13 23:10:59,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 23:10:59,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:10:59,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:10:59,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-13 23:10:59,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 23:10:59,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:10:59,633 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:10:59,636 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:10:59,960 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-13 23:10:59,961 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:10:59,991 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:10:59,992 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-13 23:10:59,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:10:59 BoogieIcfgContainer [2024-11-13 23:10:59,992 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:10:59,993 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:10:59,993 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:11:00,005 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:11:00,006 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:10:59" (1/1) ... [2024-11-13 23:11:00,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:11:00,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:00,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 32 transitions. [2024-11-13 23:11:00,071 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 32 transitions. [2024-11-13 23:11:00,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 23:11:00,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:00,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:11:00,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:11:00,078 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:11:00,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:11:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:00,255 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:11:00,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:00,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 23:11:00,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:00,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:11:00,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 23:11:00,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:00,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-11-13 23:11:00,356 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-11-13 23:11:00,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:11:00,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:00,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:11:00,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:11:00,383 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:11:00,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 23:11:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:00,534 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:11:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:00,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 23:11:00,583 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:00,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:11:00,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 23:11:00,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:00,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2024-11-13 23:11:00,892 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-11-13 23:11:00,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 23:11:00,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:00,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:11:00,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:11:00,895 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:11:00,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 23:11:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:01,066 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:11:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:01,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:11:01,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:01,335 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:11:01,337 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2024-11-13 23:11:01,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:11:01,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 23:11:03,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:03,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2024-11-13 23:11:03,195 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2024-11-13 23:11:03,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 23:11:03,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:03,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:11:03,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:11:03,201 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:11:03,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 23:11:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:03,366 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:11:03,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:03,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 23:11:03,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:03,432 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:11:03,433 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2024-11-13 23:11:03,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:11:03,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 23:11:05,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:05,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 14 states and 13 transitions. [2024-11-13 23:11:05,839 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2024-11-13 23:11:05,839 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 23:11:05,840 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-13 23:11:05,847 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 23:11:05,979 INFO L75 FloydHoareUtils]: For program point L31-1(lines 31 35) no Hoare annotation was computed. [2024-11-13 23:11:05,979 INFO L75 FloydHoareUtils]: For program point L31-2(lines 31 35) no Hoare annotation was computed. [2024-11-13 23:11:05,979 INFO L75 FloydHoareUtils]: For program point L23(lines 23 36) no Hoare annotation was computed. [2024-11-13 23:11:05,979 INFO L77 FloydHoareUtils]: At program point L15-1(lines 15 19) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_trunc_float_~x#1|)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) |ULTIMATE.start_trunc_float_~w~0#1|) ((_ extract 30 23) |ULTIMATE.start_trunc_float_~w~0#1|) ((_ extract 22 0) |ULTIMATE.start_trunc_float_~w~0#1|))))) [2024-11-13 23:11:05,980 INFO L77 FloydHoareUtils]: At program point L15-2(lines 15 19) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_trunc_float_~x#1|)) [2024-11-13 23:11:05,980 INFO L77 FloydHoareUtils]: At program point L15-3(lines 15 19) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_trunc_float_~x#1|)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) |ULTIMATE.start_trunc_float_~w~0#1|) ((_ extract 30 23) |ULTIMATE.start_trunc_float_~w~0#1|) ((_ extract 22 0) |ULTIMATE.start_trunc_float_~w~0#1|))))) [2024-11-13 23:11:05,980 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 56 73) the Hoare annotation is: true [2024-11-13 23:11:05,980 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 68) no Hoare annotation was computed. [2024-11-13 23:11:05,980 INFO L77 FloydHoareUtils]: At program point trunc_float_returnLabel#1(lines 13 42) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_trunc_float_#res#1|)) [2024-11-13 23:11:05,981 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 23:11:05,981 INFO L75 FloydHoareUtils]: For program point L25-1(lines 25 29) no Hoare annotation was computed. [2024-11-13 23:11:05,981 INFO L75 FloydHoareUtils]: For program point L25-2(lines 25 29) no Hoare annotation was computed. [2024-11-13 23:11:05,981 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 23:11:05,981 INFO L77 FloydHoareUtils]: At program point L38(lines 38 39) the Hoare annotation is: (and (exists ((|ULTIMATE.start_trunc_float_~w~0#1| (_ BitVec 32))) (= (bvashr (bvand (_ bv2139095040 32) |ULTIMATE.start_trunc_float_~w~0#1|) (_ bv23 32)) (bvadd (_ bv127 32) |ULTIMATE.start_trunc_float_~exponent_less_127~0#1|))) (not (bvslt |ULTIMATE.start_trunc_float_~exponent_less_127~0#1| (_ bv23 32))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_trunc_float_~x#1|))) [2024-11-13 23:11:05,981 INFO L77 FloydHoareUtils]: At program point L67(lines 67 70) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start_main_#t~ret9#1|) [2024-11-13 23:11:05,981 INFO L77 FloydHoareUtils]: At program point L22(lines 22 40) the Hoare annotation is: (and (exists ((|ULTIMATE.start_trunc_float_~w~0#1| (_ BitVec 32))) (and (= (bvashr (bvand (_ bv2139095040 32) |ULTIMATE.start_trunc_float_~w~0#1|) (_ bv23 32)) (bvadd (_ bv127 32) |ULTIMATE.start_trunc_float_~exponent_less_127~0#1|)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) |ULTIMATE.start_trunc_float_~w~0#1|) ((_ extract 30 23) |ULTIMATE.start_trunc_float_~w~0#1|) ((_ extract 22 0) |ULTIMATE.start_trunc_float_~w~0#1|)))))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_trunc_float_~x#1|))) [2024-11-13 23:11:05,982 INFO L77 FloydHoareUtils]: At program point L22-1(lines 22 40) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_trunc_float_~x#1|)) [2024-11-13 23:11:05,982 INFO L77 FloydHoareUtils]: At program point L47-1(lines 47 51) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) |ULTIMATE.start_isinf_float_~ix~0#1|) ((_ extract 30 23) |ULTIMATE.start_isinf_float_~ix~0#1|) ((_ extract 22 0) |ULTIMATE.start_isinf_float_~ix~0#1|)))) [2024-11-13 23:11:05,982 INFO L77 FloydHoareUtils]: At program point L47-2(lines 47 51) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_isinf_float_~x#1|)) [2024-11-13 23:11:05,982 INFO L77 FloydHoareUtils]: At program point L47-3(lines 47 51) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) |ULTIMATE.start_isinf_float_~ix~0#1|) ((_ extract 30 23) |ULTIMATE.start_isinf_float_~ix~0#1|) ((_ extract 22 0) |ULTIMATE.start_isinf_float_~ix~0#1|)))) [2024-11-13 23:11:05,982 INFO L75 FloydHoareUtils]: For program point L68(line 68) no Hoare annotation was computed. [2024-11-13 23:11:05,990 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 23:11:05,992 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 23:11:05,992 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 23:11:05,992 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 23:11:05,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:11:05 ImpRootNode [2024-11-13 23:11:05,993 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:11:05,994 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:11:05,994 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:11:05,994 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:11:05,995 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:10:59" (3/4) ... [2024-11-13 23:11:05,998 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 23:11:06,005 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-11-13 23:11:06,005 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-13 23:11:06,005 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 23:11:06,005 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 23:11:06,080 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 23:11:06,080 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 23:11:06,080 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:11:06,081 INFO L158 Benchmark]: Toolchain (without parser) took 7049.84ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 41.5MB in the end (delta: 19.2MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2024-11-13 23:11:06,081 INFO L158 Benchmark]: CDTParser took 2.50ms. Allocated memory is still 83.9MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:11:06,082 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.38ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 48.4MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:11:06,082 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.61ms. Allocated memory is still 83.9MB. Free memory was 48.4MB in the beginning and 47.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:11:06,083 INFO L158 Benchmark]: Boogie Preprocessor took 55.78ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 45.8MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:11:06,083 INFO L158 Benchmark]: RCFGBuilder took 557.08ms. Allocated memory is still 83.9MB. Free memory was 45.5MB in the beginning and 31.7MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:11:06,083 INFO L158 Benchmark]: CodeCheck took 6000.30ms. Allocated memory is still 83.9MB. Free memory was 31.7MB in the beginning and 46.3MB in the end (delta: -14.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:11:06,084 INFO L158 Benchmark]: Witness Printer took 86.16ms. Allocated memory is still 83.9MB. Free memory was 46.3MB in the beginning and 41.5MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:11:06,085 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 184 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 133 IncrementalHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 67 mSDtfsCounter, 133 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 379 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 46 ConstructedInterpolants, 16 QuantifiedInterpolants, 238 SizeOfPredicates, 8 NumberOfNonLiveVariables, 192 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 68]: 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 2.50ms. Allocated memory is still 83.9MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.38ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 48.4MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.61ms. Allocated memory is still 83.9MB. Free memory was 48.4MB in the beginning and 47.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 55.78ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 45.8MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 557.08ms. Allocated memory is still 83.9MB. Free memory was 45.5MB in the beginning and 31.7MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 6000.30ms. Allocated memory is still 83.9MB. Free memory was 31.7MB in the beginning and 46.3MB in the end (delta: -14.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 86.16ms. Allocated memory is still 83.9MB. Free memory was 46.3MB in the beginning and 41.5MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. 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 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression RESULT: Ultimate proved your program to be correct! [2024-11-13 23:11:06,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4819f7-0b09-4b54-a8f1-c3840a3b7e40/bin/ukojak-verify-EEHR8qb7sm/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: TRUE