./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1250.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1250.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9 --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 b1947c2cfa9d661d99206b001fd8998d6aae9b547d6aa58efd3f1b0fdfd07645 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:17:54,688 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:17:54,753 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:17:54,757 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:17:54,758 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:17:54,780 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:17:54,781 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:17:54,782 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:17:54,782 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:17:54,783 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:17:54,784 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:17:54,784 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:17:54,785 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:17:54,785 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:17:54,785 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:17:54,786 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:17:54,786 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:17:54,787 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:17:54,787 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:17:54,788 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:17:54,788 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:17:54,789 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:17:54,789 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:17:54,790 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:17:54,790 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:17:54,791 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:17:54,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:17:54,791 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:17:54,792 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:17:54,792 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:17:54,792 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:17:54,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:17:54,793 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:17:54,793 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_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1947c2cfa9d661d99206b001fd8998d6aae9b547d6aa58efd3f1b0fdfd07645 [2023-12-03 02:17:55,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:17:55,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:17:55,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:17:55,061 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:17:55,061 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:17:55,062 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/float_req_bl_1250.c [2023-12-03 02:17:57,848 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:17:58,012 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:17:58,012 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/sv-benchmarks/c/float-newlib/float_req_bl_1250.c [2023-12-03 02:17:58,021 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/data/3977febea/734eace642bc44878d989e040141b7ac/FLAG6d14b35a5 [2023-12-03 02:17:58,037 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/data/3977febea/734eace642bc44878d989e040141b7ac [2023-12-03 02:17:58,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:17:58,041 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:17:58,043 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:17:58,043 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:17:58,048 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:17:58,049 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:17:58" (1/1) ... [2023-12-03 02:17:58,050 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e96aa3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:58, skipping insertion in model container [2023-12-03 02:17:58,051 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:17:58" (1/1) ... [2023-12-03 02:17:58,075 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:17:58,239 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/sv-benchmarks/c/float-newlib/float_req_bl_1250.c[1719,1732] [2023-12-03 02:17:58,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:17:58,251 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:17:58,272 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/sv-benchmarks/c/float-newlib/float_req_bl_1250.c[1719,1732] [2023-12-03 02:17:58,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:17:58,286 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:17:58,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:58 WrapperNode [2023-12-03 02:17:58,287 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:17:58,288 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:17:58,288 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:17:58,288 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:17:58,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:58" (1/1) ... [2023-12-03 02:17:58,304 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:58" (1/1) ... [2023-12-03 02:17:58,324 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2023-12-03 02:17:58,325 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:17:58,325 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:17:58,326 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:17:58,326 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:17:58,333 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:58" (1/1) ... [2023-12-03 02:17:58,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:58" (1/1) ... [2023-12-03 02:17:58,336 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:58" (1/1) ... [2023-12-03 02:17:58,336 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:58" (1/1) ... [2023-12-03 02:17:58,343 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:58" (1/1) ... [2023-12-03 02:17:58,347 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:58" (1/1) ... [2023-12-03 02:17:58,348 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:58" (1/1) ... [2023-12-03 02:17:58,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:58" (1/1) ... [2023-12-03 02:17:58,353 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:17:58,354 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:17:58,354 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:17:58,354 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:17:58,355 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:58" (1/1) ... [2023-12-03 02:17:58,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:17:58,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:17:58,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:17:58,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:17:58,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:17:58,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:17:58,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:17:58,422 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2023-12-03 02:17:58,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2023-12-03 02:17:58,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-03 02:17:58,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:17:58,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:17:58,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 02:17:58,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:17:58,513 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:17:58,516 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:17:58,696 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:17:58,812 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:17:58,812 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 02:17:58,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:17:58 BoogieIcfgContainer [2023-12-03 02:17:58,814 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:17:58,815 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:17:58,815 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:17:58,826 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:17:58,826 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:17:58" (1/1) ... [2023-12-03 02:17:58,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:17:58,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:58,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-12-03 02:17:58,888 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-12-03 02:17:58,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 02:17:58,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:58,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:17:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:59,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:17:59,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:59,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2023-12-03 02:17:59,086 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2023-12-03 02:17:59,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 02:17:59,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:59,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:17:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:17:59,133 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:17:59,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:17:59,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:17:59,225 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:17:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:17:59,255 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-03 02:17:59,277 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret5 could not be translated [2023-12-03 02:17:59,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:17:59 ImpRootNode [2023-12-03 02:17:59,281 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:17:59,281 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:17:59,282 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:17:59,282 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:17:59,282 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:17:58" (3/4) ... [2023-12-03 02:17:59,284 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:17:59,284 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:17:59,285 INFO L158 Benchmark]: Toolchain (without parser) took 1244.07ms. Allocated memory is still 151.0MB. Free memory was 108.1MB in the beginning and 94.3MB in the end (delta: 13.7MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2023-12-03 02:17:59,286 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 102.8MB. Free memory was 71.2MB in the beginning and 71.2MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:17:59,286 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.52ms. Allocated memory is still 151.0MB. Free memory was 107.7MB in the beginning and 96.8MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 02:17:59,287 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.09ms. Allocated memory is still 151.0MB. Free memory was 96.8MB in the beginning and 95.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:17:59,287 INFO L158 Benchmark]: Boogie Preprocessor took 27.38ms. Allocated memory is still 151.0MB. Free memory was 95.0MB in the beginning and 93.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:17:59,288 INFO L158 Benchmark]: RCFGBuilder took 460.50ms. Allocated memory is still 151.0MB. Free memory was 93.9MB in the beginning and 117.4MB in the end (delta: -23.5MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2023-12-03 02:17:59,288 INFO L158 Benchmark]: CodeCheck took 466.05ms. Allocated memory is still 151.0MB. Free memory was 117.4MB in the beginning and 94.3MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-03 02:17:59,289 INFO L158 Benchmark]: Witness Printer took 3.03ms. Allocated memory is still 151.0MB. Free memory is still 94.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:17:59,292 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, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 13 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 67]: 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 56, overapproximation of someBinaryArithmeticFLOAToperation at line 62. Possible FailurePath: [L62] float x = 0.0f / 0.0f; [L63] float y = 0.0f / 0.0f; [L64] CALL, EXPR fmax_float(x, y) [L45] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=2] [L22] __uint32_t w; VAL [\old(x)=2, x=2] [L25] ieee_float_shape_type gf_u; [L26] EXPR gf_u.value = (x) [L27] EXPR gf_u.word [L27] EXPR (w) = gf_u.word [L24-L28] { ieee_float_shape_type gf_u; gf_u.value = (x); (w) = gf_u.word; } VAL [\old(x)=2, w=2139095041, x=2] [L30] COND FALSE !(w == 0x00000000 || w == 0x80000000) [L32-L33] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) [L35-L36] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) [L38] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L41] return 0; [L45] RET, EXPR __fpclassify_float(x) VAL [\old(x)=2, \old(y)=3, x=2, y=3] [L45] COND TRUE __fpclassify_float(x) == 0 [L46] return y; VAL [\old(x)=2, \old(y)=3, \result=3, x=2, y=3] [L64] RET, EXPR fmax_float(x, y) [L64] float res = fmax_float(x, y); [L66] CALL, EXPR isnan_float(res) [L56] return x != x; [L66] RET, EXPR isnan_float(res) [L66] COND TRUE !isnan_float(res) [L67] reach_error() VAL [res=3, x=2, y=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 102.8MB. Free memory was 71.2MB in the beginning and 71.2MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.52ms. Allocated memory is still 151.0MB. Free memory was 107.7MB in the beginning and 96.8MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.09ms. Allocated memory is still 151.0MB. Free memory was 96.8MB in the beginning and 95.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.38ms. Allocated memory is still 151.0MB. Free memory was 95.0MB in the beginning and 93.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 460.50ms. Allocated memory is still 151.0MB. Free memory was 93.9MB in the beginning and 117.4MB in the end (delta: -23.5MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * CodeCheck took 466.05ms. Allocated memory is still 151.0MB. Free memory was 117.4MB in the beginning and 94.3MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 3.03ms. Allocated memory is still 151.0MB. Free memory is still 94.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret5 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 02:17:59,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1250.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9 --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 b1947c2cfa9d661d99206b001fd8998d6aae9b547d6aa58efd3f1b0fdfd07645 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:18:01,277 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:18:01,363 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 02:18:01,397 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:18:01,398 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:18:01,399 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:18:01,400 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:18:01,400 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:18:01,401 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:18:01,402 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:18:01,402 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:18:01,403 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:18:01,403 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:18:01,404 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:18:01,404 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:18:01,405 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:18:01,405 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:18:01,406 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:18:01,406 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:18:01,407 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:18:01,407 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:18:01,408 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:18:01,408 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:18:01,409 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:18:01,409 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:18:01,410 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:18:01,410 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:18:01,411 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:18:01,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:18:01,412 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:18:01,412 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:18:01,413 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:18:01,413 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:18:01,414 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:18:01,414 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:18:01,414 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:18:01,414 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:18:01,414 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1947c2cfa9d661d99206b001fd8998d6aae9b547d6aa58efd3f1b0fdfd07645 [2023-12-03 02:18:01,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:18:01,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:18:01,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:18:01,730 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:18:01,730 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:18:01,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/float_req_bl_1250.c [2023-12-03 02:18:04,559 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:18:04,760 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:18:04,760 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/sv-benchmarks/c/float-newlib/float_req_bl_1250.c [2023-12-03 02:18:04,769 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/data/33655e248/08fa6e4fe0ad440f8ef11b1684b5903a/FLAG041899d32 [2023-12-03 02:18:04,781 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/data/33655e248/08fa6e4fe0ad440f8ef11b1684b5903a [2023-12-03 02:18:04,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:18:04,785 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:18:04,786 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:18:04,786 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:18:04,790 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:18:04,791 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:18:04" (1/1) ... [2023-12-03 02:18:04,792 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f389dbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:04, skipping insertion in model container [2023-12-03 02:18:04,792 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:18:04" (1/1) ... [2023-12-03 02:18:04,816 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:18:04,996 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/sv-benchmarks/c/float-newlib/float_req_bl_1250.c[1719,1732] [2023-12-03 02:18:05,001 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:18:05,016 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:18:05,038 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/sv-benchmarks/c/float-newlib/float_req_bl_1250.c[1719,1732] [2023-12-03 02:18:05,039 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:18:05,057 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:18:05,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:05 WrapperNode [2023-12-03 02:18:05,057 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:18:05,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:18:05,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:18:05,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:18:05,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:05" (1/1) ... [2023-12-03 02:18:05,079 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:05" (1/1) ... [2023-12-03 02:18:05,100 INFO L138 Inliner]: procedures = 20, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2023-12-03 02:18:05,101 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:18:05,101 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:18:05,102 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:18:05,102 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:18:05,111 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:05" (1/1) ... [2023-12-03 02:18:05,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:05" (1/1) ... [2023-12-03 02:18:05,116 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:05" (1/1) ... [2023-12-03 02:18:05,117 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:05" (1/1) ... [2023-12-03 02:18:05,127 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:05" (1/1) ... [2023-12-03 02:18:05,131 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:05" (1/1) ... [2023-12-03 02:18:05,133 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:05" (1/1) ... [2023-12-03 02:18:05,135 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:05" (1/1) ... [2023-12-03 02:18:05,138 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:18:05,139 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:18:05,140 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:18:05,140 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:18:05,141 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:18:05" (1/1) ... [2023-12-03 02:18:05,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:18:05,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:18:05,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:18:05,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:18:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:18:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:18:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:18:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2023-12-03 02:18:05,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2023-12-03 02:18:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:18:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:18:05,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:18:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-03 02:18:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:18:05,302 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:18:05,304 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:18:05,515 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:18:05,612 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:18:05,613 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 02:18:05,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:18:05 BoogieIcfgContainer [2023-12-03 02:18:05,615 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:18:05,616 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:18:05,616 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:18:05,627 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:18:05,627 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:18:05" (1/1) ... [2023-12-03 02:18:05,646 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:18:05,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:18:05,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2023-12-03 02:18:05,712 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-12-03 02:18:05,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:18:05,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:18:05,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:18:05,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:18:05,720 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:18:05,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:18:05,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:05,871 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:18:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:05,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:18:05,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:18:05,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:18:05,929 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:18:05,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:18:05,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:18:05,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2023-12-03 02:18:05,985 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2023-12-03 02:18:05,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 02:18:05,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:18:05,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:18:05,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:18:05,987 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:18:05,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:18:06,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:06,189 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:18:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:06,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 02:18:06,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:18:06,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:18:06,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:18:06,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:18:06,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 20 transitions. [2023-12-03 02:18:06,617 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2023-12-03 02:18:06,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 02:18:06,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:18:06,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:18:06,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:18:06,619 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:18:06,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:18:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:06,843 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:18:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:06,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:18:06,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:18:07,057 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 02:18:07,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-03 02:18:07,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:18:07,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 14 states and 15 transitions. [2023-12-03 02:18:07,602 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 02:18:07,603 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 02:18:07,603 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-12-03 02:18:07,610 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 02:18:07,640 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 02:18:07,646 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 02:18:07,646 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 02:18:07,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:18:07 ImpRootNode [2023-12-03 02:18:07,647 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:18:07,648 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:18:07,648 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:18:07,648 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:18:07,648 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:18:05" (3/4) ... [2023-12-03 02:18:07,651 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 02:18:07,655 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __fpclassify_float [2023-12-03 02:18:07,659 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-12-03 02:18:07,660 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-12-03 02:18:07,660 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 02:18:07,660 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 02:18:07,756 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 02:18:07,757 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 02:18:07,757 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:18:07,758 INFO L158 Benchmark]: Toolchain (without parser) took 2973.28ms. Allocated memory is still 109.1MB. Free memory was 85.5MB in the beginning and 79.8MB in the end (delta: 5.7MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2023-12-03 02:18:07,758 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 62.9MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:18:07,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.60ms. Allocated memory is still 109.1MB. Free memory was 85.5MB in the beginning and 73.9MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 02:18:07,759 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.19ms. Allocated memory is still 109.1MB. Free memory was 73.9MB in the beginning and 72.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:18:07,760 INFO L158 Benchmark]: Boogie Preprocessor took 37.15ms. Allocated memory is still 109.1MB. Free memory was 72.2MB in the beginning and 70.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:18:07,760 INFO L158 Benchmark]: RCFGBuilder took 475.24ms. Allocated memory is still 109.1MB. Free memory was 70.5MB in the beginning and 86.2MB in the end (delta: -15.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 02:18:07,761 INFO L158 Benchmark]: CodeCheck took 2031.41ms. Allocated memory is still 109.1MB. Free memory was 86.2MB in the beginning and 84.8MB in the end (delta: 1.4MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. [2023-12-03 02:18:07,761 INFO L158 Benchmark]: Witness Printer took 109.66ms. Allocated memory is still 109.1MB. Free memory was 84.8MB in the beginning and 79.8MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 02:18:07,764 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, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 97 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 59 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56 IncrementalHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 56 mSDtfsCounter, 56 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 272 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 36 ConstructedInterpolants, 8 QuantifiedInterpolants, 116 SizeOfPredicates, 17 NumberOfNonLiveVariables, 158 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 5/5 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: 67]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 62.9MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.60ms. Allocated memory is still 109.1MB. Free memory was 85.5MB in the beginning and 73.9MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.19ms. Allocated memory is still 109.1MB. Free memory was 73.9MB in the beginning and 72.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.15ms. Allocated memory is still 109.1MB. Free memory was 72.2MB in the beginning and 70.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 475.24ms. Allocated memory is still 109.1MB. Free memory was 70.5MB in the beginning and 86.2MB in the end (delta: -15.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 2031.41ms. Allocated memory is still 109.1MB. Free memory was 86.2MB in the beginning and 84.8MB in the end (delta: 1.4MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. * Witness Printer took 109.66ms. Allocated memory is still 109.1MB. Free memory was 84.8MB in the beginning and 79.8MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 02:18:07,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f817237-8641-443a-8181-0cdb9b732f4d/bin/ukojak-verify-Qdu7aM0XO9/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