./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1232a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/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_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1232a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/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_6532c841-6d3a-4255-b68e-300e5792ab3c/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 f5978e6794574f24e5282dc6c0759b72c8b7ad9dd0acf1cc3c9d6f2352537904 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:48:21,687 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:48:21,765 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 04:48:21,770 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:48:21,771 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:48:21,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:48:21,797 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:48:21,798 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:48:21,799 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:48:21,800 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:48:21,800 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:48:21,801 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:48:21,802 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:48:21,802 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:48:21,803 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:48:21,803 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:48:21,804 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:48:21,805 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:48:21,805 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:48:21,806 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:48:21,807 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:48:21,809 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:48:21,809 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:48:21,810 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:48:21,810 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:48:21,811 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:48:21,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:48:21,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:48:21,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:48:21,813 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:48:21,813 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:48:21,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:48:21,814 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:48:21,814 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_6532c841-6d3a-4255-b68e-300e5792ab3c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5978e6794574f24e5282dc6c0759b72c8b7ad9dd0acf1cc3c9d6f2352537904 [2023-12-03 04:48:22,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:48:22,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:48:22,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:48:22,119 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:48:22,120 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:48:22,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_1232a.c [2023-12-03 04:48:25,509 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:48:25,753 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:48:25,754 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/sv-benchmarks/c/float-newlib/double_req_bl_1232a.c [2023-12-03 04:48:25,762 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/data/6fbfd6472/99ec8d13283d43f6ae9d002da856f32c/FLAG2ebf2f814 [2023-12-03 04:48:25,781 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/data/6fbfd6472/99ec8d13283d43f6ae9d002da856f32c [2023-12-03 04:48:25,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:48:25,786 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:48:25,788 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:48:25,788 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:48:25,794 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:48:25,795 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:48:25" (1/1) ... [2023-12-03 04:48:25,797 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4d73be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:25, skipping insertion in model container [2023-12-03 04:48:25,797 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:48:25" (1/1) ... [2023-12-03 04:48:25,826 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:48:26,037 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_6532c841-6d3a-4255-b68e-300e5792ab3c/sv-benchmarks/c/float-newlib/double_req_bl_1232a.c[1957,1970] [2023-12-03 04:48:26,043 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:48:26,055 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:48:26,085 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_6532c841-6d3a-4255-b68e-300e5792ab3c/sv-benchmarks/c/float-newlib/double_req_bl_1232a.c[1957,1970] [2023-12-03 04:48:26,086 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:48:26,105 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:48:26,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:26 WrapperNode [2023-12-03 04:48:26,106 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:48:26,107 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:48:26,107 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:48:26,108 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:48:26,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:26" (1/1) ... [2023-12-03 04:48:26,128 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:26" (1/1) ... [2023-12-03 04:48:26,147 INFO L138 Inliner]: procedures = 19, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2023-12-03 04:48:26,148 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:48:26,149 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:48:26,149 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:48:26,149 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:48:26,161 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:26" (1/1) ... [2023-12-03 04:48:26,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:26" (1/1) ... [2023-12-03 04:48:26,164 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:26" (1/1) ... [2023-12-03 04:48:26,164 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:26" (1/1) ... [2023-12-03 04:48:26,171 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:26" (1/1) ... [2023-12-03 04:48:26,174 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:26" (1/1) ... [2023-12-03 04:48:26,176 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:26" (1/1) ... [2023-12-03 04:48:26,177 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:26" (1/1) ... [2023-12-03 04:48:26,179 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:48:26,180 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:48:26,181 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:48:26,181 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:48:26,181 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:26" (1/1) ... [2023-12-03 04:48:26,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:48:26,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:48:26,215 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:48:26,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:48:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:48:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:48:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:48:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2023-12-03 04:48:26,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2023-12-03 04:48:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-03 04:48:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:48:26,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:48:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 04:48:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:48:26,366 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:48:26,369 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:48:26,586 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:48:26,698 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:48:26,699 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-03 04:48:26,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:48:26 BoogieIcfgContainer [2023-12-03 04:48:26,701 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:48:26,702 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:48:26,703 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:48:26,715 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:48:26,715 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:48:26" (1/1) ... [2023-12-03 04:48:26,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:48:26,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:26,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2023-12-03 04:48:26,788 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2023-12-03 04:48:26,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 04:48:26,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:26,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:48:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:26,955 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 04:48:26,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:26,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2023-12-03 04:48:26,990 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2023-12-03 04:48:26,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 04:48:26,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:26,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:48:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:48:27,045 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:48:27,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:48:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:48:27,149 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:48:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:48:27,186 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-03 04:48:27,216 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated [2023-12-03 04:48:27,218 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short11 could not be translated [2023-12-03 04:48:27,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:48:27 ImpRootNode [2023-12-03 04:48:27,224 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:48:27,225 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:48:27,225 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:48:27,225 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:48:27,226 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:48:26" (3/4) ... [2023-12-03 04:48:27,229 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:48:27,230 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:48:27,231 INFO L158 Benchmark]: Toolchain (without parser) took 1444.94ms. Allocated memory is still 167.8MB. Free memory was 134.6MB in the beginning and 77.0MB in the end (delta: 57.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2023-12-03 04:48:27,232 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 167.8MB. Free memory is still 142.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:48:27,233 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.20ms. Allocated memory is still 167.8MB. Free memory was 134.1MB in the beginning and 123.1MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 04:48:27,234 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.19ms. Allocated memory is still 167.8MB. Free memory was 122.6MB in the beginning and 121.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:48:27,235 INFO L158 Benchmark]: Boogie Preprocessor took 30.57ms. Allocated memory is still 167.8MB. Free memory was 121.2MB in the beginning and 120.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:48:27,235 INFO L158 Benchmark]: RCFGBuilder took 520.94ms. Allocated memory is still 167.8MB. Free memory was 119.6MB in the beginning and 100.2MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 04:48:27,236 INFO L158 Benchmark]: CodeCheck took 521.68ms. Allocated memory is still 167.8MB. Free memory was 100.0MB in the beginning and 77.4MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-03 04:48:27,237 INFO L158 Benchmark]: Witness Printer took 5.37ms. Allocated memory is still 167.8MB. Free memory was 77.4MB in the beginning and 77.0MB in the end (delta: 460.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:48:27,241 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, 21 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, 34 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 16 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, 16 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 79 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, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 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: 82]: 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 someBinaryDOUBLEComparisonOperation at line 81, overapproximation of someUnaryDOUBLEoperation at line 77. Possible FailurePath: [L76] double x = 0.0; [L77] double y = -0.0; [L78] CALL, EXPR fmin_double(x, y) [L48] CALL, EXPR __fpclassify_double(x) VAL [\old(x)=0] [L21] __uint32_t msw, lsw; VAL [\old(x)=0, x=0] [L24] ieee_double_shape_type ew_u; [L25] EXPR ew_u.value = (x) [L26] EXPR ew_u.parts.msw [L26] EXPR (msw) = ew_u.parts.msw [L27] EXPR ew_u.parts.lsw [L27] EXPR (lsw) = ew_u.parts.lsw [L23-L28] { ieee_double_shape_type ew_u; ew_u.value = (x); (msw) = ew_u.parts.msw; (lsw) = ew_u.parts.lsw; } VAL [\old(x)=0, lsw=4294967297, msw=6442450943, x=0] [L30-L31] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) [L33-L34] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) [L36-L37] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) [L40-L41] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) [L44] return 0; [L48] RET, EXPR __fpclassify_double(x) VAL [\old(x)=0, \old(y)=2, x=0, y=2] [L48] COND TRUE __fpclassify_double(x) == 0 [L49] return y; VAL [\old(x)=0, \old(y)=2, \result=2, x=0, y=2] [L78] RET, EXPR fmin_double(x, y) [L78] double res = fmin_double(x, y); [L81] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [res=2, x=0, y=2] [L81] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L82] reach_error() VAL [res=2, x=0, y=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 167.8MB. Free memory is still 142.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.20ms. Allocated memory is still 167.8MB. Free memory was 134.1MB in the beginning and 123.1MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.19ms. Allocated memory is still 167.8MB. Free memory was 122.6MB in the beginning and 121.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.57ms. Allocated memory is still 167.8MB. Free memory was 121.2MB in the beginning and 120.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 520.94ms. Allocated memory is still 167.8MB. Free memory was 119.6MB in the beginning and 100.2MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 521.68ms. Allocated memory is still 167.8MB. Free memory was 100.0MB in the beginning and 77.4MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 5.37ms. Allocated memory is still 167.8MB. Free memory was 77.4MB in the beginning and 77.0MB in the end (delta: 460.1kB). 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~ret6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short11 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 04:48:27,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/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_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1232a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/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_6532c841-6d3a-4255-b68e-300e5792ab3c/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 f5978e6794574f24e5282dc6c0759b72c8b7ad9dd0acf1cc3c9d6f2352537904 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:48:29,589 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:48:29,689 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 04:48:29,731 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:48:29,732 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:48:29,733 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:48:29,734 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:48:29,735 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:48:29,736 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:48:29,736 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:48:29,737 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:48:29,738 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:48:29,738 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:48:29,739 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:48:29,740 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:48:29,740 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:48:29,741 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:48:29,742 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:48:29,742 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:48:29,743 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:48:29,743 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:48:29,744 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:48:29,745 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:48:29,745 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:48:29,746 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:48:29,746 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:29,747 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:48:29,747 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:48:29,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:48:29,749 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:48:29,749 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:48:29,750 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:48:29,750 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:48:29,751 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:29,751 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:48:29,752 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:48:29,752 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:48:29,752 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_6532c841-6d3a-4255-b68e-300e5792ab3c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5978e6794574f24e5282dc6c0759b72c8b7ad9dd0acf1cc3c9d6f2352537904 [2023-12-03 04:48:30,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:48:30,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:48:30,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:48:30,152 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:48:30,153 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:48:30,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_1232a.c [2023-12-03 04:48:33,661 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:48:33,883 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:48:33,884 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/sv-benchmarks/c/float-newlib/double_req_bl_1232a.c [2023-12-03 04:48:33,892 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/data/ec3778b02/0ecbd31ab386474f811fadf6b8bc8cf9/FLAG98e618dc3 [2023-12-03 04:48:33,907 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/data/ec3778b02/0ecbd31ab386474f811fadf6b8bc8cf9 [2023-12-03 04:48:33,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:48:33,911 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:48:33,913 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:48:33,913 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:48:33,917 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:48:33,918 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:48:33" (1/1) ... [2023-12-03 04:48:33,919 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39d02612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:33, skipping insertion in model container [2023-12-03 04:48:33,920 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:48:33" (1/1) ... [2023-12-03 04:48:33,950 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:48:34,178 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_6532c841-6d3a-4255-b68e-300e5792ab3c/sv-benchmarks/c/float-newlib/double_req_bl_1232a.c[1957,1970] [2023-12-03 04:48:34,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:48:34,201 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:48:34,233 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_6532c841-6d3a-4255-b68e-300e5792ab3c/sv-benchmarks/c/float-newlib/double_req_bl_1232a.c[1957,1970] [2023-12-03 04:48:34,234 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:48:34,261 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:48:34,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:34 WrapperNode [2023-12-03 04:48:34,262 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:48:34,264 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:48:34,264 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:48:34,264 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:48:34,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:34" (1/1) ... [2023-12-03 04:48:34,289 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:34" (1/1) ... [2023-12-03 04:48:34,314 INFO L138 Inliner]: procedures = 22, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2023-12-03 04:48:34,315 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:48:34,316 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:48:34,316 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:48:34,316 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:48:34,328 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:34" (1/1) ... [2023-12-03 04:48:34,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:34" (1/1) ... [2023-12-03 04:48:34,333 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:34" (1/1) ... [2023-12-03 04:48:34,334 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:34" (1/1) ... [2023-12-03 04:48:34,346 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:34" (1/1) ... [2023-12-03 04:48:34,351 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:34" (1/1) ... [2023-12-03 04:48:34,354 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:34" (1/1) ... [2023-12-03 04:48:34,356 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:34" (1/1) ... [2023-12-03 04:48:34,361 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:48:34,362 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:48:34,362 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:48:34,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:48:34,364 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:34" (1/1) ... [2023-12-03 04:48:34,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:48:34,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:48:34,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:48:34,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:48:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:48:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-12-03 04:48:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:48:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:48:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2023-12-03 04:48:34,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2023-12-03 04:48:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 04:48:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:48:34,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:48:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:48:34,556 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:48:34,561 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:48:34,875 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:48:34,965 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:48:34,965 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-03 04:48:34,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:48:34 BoogieIcfgContainer [2023-12-03 04:48:34,967 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:48:34,968 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:48:34,969 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:48:34,981 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:48:34,981 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:48:34" (1/1) ... [2023-12-03 04:48:34,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:48:35,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:35,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2023-12-03 04:48:35,063 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2023-12-03 04:48:35,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 04:48:35,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:35,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:35,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:35,100 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:35,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:48:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:35,342 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:35,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:48:35,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:35,408 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 04:48:35,411 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:48:35,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:48:35,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:35,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2023-12-03 04:48:35,467 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-12-03 04:48:35,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 04:48:35,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:35,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:35,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:35,470 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:35,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:48:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:35,824 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:35,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:35,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 04:48:35,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:35,948 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 04:48:35,952 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:48:35,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:48:36,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:36,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 27 transitions. [2023-12-03 04:48:36,103 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2023-12-03 04:48:36,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 04:48:36,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:36,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:36,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:36,106 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:36,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 04:48:36,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:36,300 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:36,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:48:36,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:36,343 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 04:48:36,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 04:48:36,348 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:48:36,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:36,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 25 transitions. [2023-12-03 04:48:36,361 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2023-12-03 04:48:36,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 04:48:36,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:36,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:36,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:36,364 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:36,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 04:48:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:36,758 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:36,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 04:48:36,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:37,061 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 04:48:37,066 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:48:37,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 04:48:37,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:37,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 31 transitions. [2023-12-03 04:48:37,433 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2023-12-03 04:48:37,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 04:48:37,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:37,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:37,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:37,437 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:37,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 04:48:37,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:37,872 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:37,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:37,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-03 04:48:37,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:43,449 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 04:48:43,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 04:48:45,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:45,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 18 states and 18 transitions. [2023-12-03 04:48:45,388 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2023-12-03 04:48:45,389 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 04:48:45,389 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-12-03 04:48:45,398 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 04:48:45,678 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-12-03 04:48:45,683 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:48:45,684 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:48:45,684 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:48:45,684 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:48:45,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:48:45 ImpRootNode [2023-12-03 04:48:45,684 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:48:45,685 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:48:45,685 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:48:45,685 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:48:45,686 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:48:34" (3/4) ... [2023-12-03 04:48:45,687 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 04:48:45,690 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __fpclassify_double [2023-12-03 04:48:45,695 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-12-03 04:48:45,695 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-12-03 04:48:45,696 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 04:48:45,696 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 04:48:45,728 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(x) == x) [2023-12-03 04:48:45,758 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(x) == x) [2023-12-03 04:48:45,813 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 04:48:45,814 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 04:48:45,814 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:48:45,815 INFO L158 Benchmark]: Toolchain (without parser) took 11903.76ms. Allocated memory was 98.6MB in the beginning and 174.1MB in the end (delta: 75.5MB). Free memory was 75.0MB in the beginning and 139.8MB in the end (delta: -64.8MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2023-12-03 04:48:45,815 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 67.1MB. Free memory was 43.6MB in the beginning and 43.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:48:45,816 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.30ms. Allocated memory is still 98.6MB. Free memory was 75.0MB in the beginning and 63.0MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 04:48:45,816 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.01ms. Allocated memory is still 98.6MB. Free memory was 63.0MB in the beginning and 61.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:48:45,817 INFO L158 Benchmark]: Boogie Preprocessor took 45.40ms. Allocated memory is still 98.6MB. Free memory was 61.3MB in the beginning and 59.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:48:45,817 INFO L158 Benchmark]: RCFGBuilder took 605.29ms. Allocated memory is still 98.6MB. Free memory was 59.5MB in the beginning and 67.0MB in the end (delta: -7.5MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2023-12-03 04:48:45,818 INFO L158 Benchmark]: CodeCheck took 10715.88ms. Allocated memory was 98.6MB in the beginning and 174.1MB in the end (delta: 75.5MB). Free memory was 67.0MB in the beginning and 145.0MB in the end (delta: -78.0MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. [2023-12-03 04:48:45,818 INFO L158 Benchmark]: Witness Printer took 129.32ms. Allocated memory is still 174.1MB. Free memory was 145.0MB in the beginning and 139.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 04:48:45,820 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, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.4s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 204 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 122 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 164 IncrementalHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 115 mSDtfsCounter, 164 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 535 GetRequests, 502 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 66 ConstructedInterpolants, 8 QuantifiedInterpolants, 759 SizeOfPredicates, 31 NumberOfNonLiveVariables, 291 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 82]: 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: 23]: Loop Invariant Derived loop invariant: (\old(x) == x) - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 67.1MB. Free memory was 43.6MB in the beginning and 43.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.30ms. Allocated memory is still 98.6MB. Free memory was 75.0MB in the beginning and 63.0MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.01ms. Allocated memory is still 98.6MB. Free memory was 63.0MB in the beginning and 61.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.40ms. Allocated memory is still 98.6MB. Free memory was 61.3MB in the beginning and 59.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 605.29ms. Allocated memory is still 98.6MB. Free memory was 59.5MB in the beginning and 67.0MB in the end (delta: -7.5MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * CodeCheck took 10715.88ms. Allocated memory was 98.6MB in the beginning and 174.1MB in the end (delta: 75.5MB). Free memory was 67.0MB in the beginning and 145.0MB in the end (delta: -78.0MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. * Witness Printer took 129.32ms. Allocated memory is still 174.1MB. Free memory was 145.0MB in the beginning and 139.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 04:48:45,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6532c841-6d3a-4255-b68e-300e5792ab3c/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