./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0660b.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_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/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_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0660b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/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_c61e211a-6fa9-43c0-88b4-2676432b9af1/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 987a617ddfa597b9fd514ac45c30c05d0ba2d1aba473d81a379c621ee06eaca4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:57:47,678 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:57:47,752 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:57:47,758 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:57:47,758 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:57:47,784 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:57:47,785 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:57:47,785 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:57:47,786 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:57:47,787 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:57:47,788 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:57:47,788 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:57:47,789 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:57:47,789 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:57:47,790 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:57:47,790 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:57:47,791 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:57:47,791 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:57:47,792 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:57:47,793 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:57:47,793 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:57:47,794 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:57:47,795 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:57:47,795 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:57:47,795 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:57:47,796 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:57:47,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:57:47,797 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:57:47,798 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:57:47,798 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:57:47,798 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:57:47,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:57:47,799 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:57:47,800 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_c61e211a-6fa9-43c0-88b4-2676432b9af1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 987a617ddfa597b9fd514ac45c30c05d0ba2d1aba473d81a379c621ee06eaca4 [2023-12-03 02:57:48,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:57:48,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:57:48,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:57:48,069 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:57:48,070 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:57:48,071 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/float_req_bl_0660b.c [2023-12-03 02:57:50,955 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:57:51,176 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:57:51,177 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/sv-benchmarks/c/float-newlib/float_req_bl_0660b.c [2023-12-03 02:57:51,186 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/data/77838442a/7a185fbcbd3f47feb2b1a03c03e6e090/FLAGf05404c79 [2023-12-03 02:57:51,203 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/data/77838442a/7a185fbcbd3f47feb2b1a03c03e6e090 [2023-12-03 02:57:51,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:57:51,207 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:57:51,209 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:57:51,209 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:57:51,214 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:57:51,214 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:57:51" (1/1) ... [2023-12-03 02:57:51,216 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f492c8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:51, skipping insertion in model container [2023-12-03 02:57:51,216 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:57:51" (1/1) ... [2023-12-03 02:57:51,250 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:57:51,458 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_c61e211a-6fa9-43c0-88b4-2676432b9af1/sv-benchmarks/c/float-newlib/float_req_bl_0660b.c[5271,5284] [2023-12-03 02:57:51,463 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:57:51,478 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:57:51,531 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_c61e211a-6fa9-43c0-88b4-2676432b9af1/sv-benchmarks/c/float-newlib/float_req_bl_0660b.c[5271,5284] [2023-12-03 02:57:51,532 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:57:51,555 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:57:51,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:51 WrapperNode [2023-12-03 02:57:51,556 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:57:51,557 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:57:51,557 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:57:51,558 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:57:51,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:51" (1/1) ... [2023-12-03 02:57:51,581 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:51" (1/1) ... [2023-12-03 02:57:51,618 INFO L138 Inliner]: procedures = 19, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 236 [2023-12-03 02:57:51,618 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:57:51,619 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:57:51,619 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:57:51,620 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:57:51,629 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:51" (1/1) ... [2023-12-03 02:57:51,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:51" (1/1) ... [2023-12-03 02:57:51,636 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:51" (1/1) ... [2023-12-03 02:57:51,636 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:51" (1/1) ... [2023-12-03 02:57:51,655 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:51" (1/1) ... [2023-12-03 02:57:51,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:51" (1/1) ... [2023-12-03 02:57:51,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:51" (1/1) ... [2023-12-03 02:57:51,669 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:51" (1/1) ... [2023-12-03 02:57:51,675 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:57:51,677 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:57:51,677 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:57:51,677 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:57:51,678 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:51" (1/1) ... [2023-12-03 02:57:51,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:57:51,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:57:51,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:57:51,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:57:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:57:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:57:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:57:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-03 02:57:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 02:57:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-03 02:57:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2023-12-03 02:57:51,754 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2023-12-03 02:57:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:57:51,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:57:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 02:57:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-12-03 02:57:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2023-12-03 02:57:51,755 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2023-12-03 02:57:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:57:51,857 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:57:51,859 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:57:52,254 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:57:52,369 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:57:52,370 INFO L309 CfgBuilder]: Removed 14 assume(true) statements. [2023-12-03 02:57:52,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:57:52 BoogieIcfgContainer [2023-12-03 02:57:52,372 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:57:52,373 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:57:52,373 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:57:52,383 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:57:52,384 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:57:52" (1/1) ... [2023-12-03 02:57:52,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:57:52,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:52,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 69 states and 112 transitions. [2023-12-03 02:57:52,464 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 112 transitions. [2023-12-03 02:57:52,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:57:52,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:52,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:57:52,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:52,656 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 02:57:52,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:52,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 69 states and 107 transitions. [2023-12-03 02:57:52,687 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 107 transitions. [2023-12-03 02:57:52,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 02:57:52,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:52,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:57:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:57:52,768 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:57:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:57:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:57:52,949 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:57:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:57:53,019 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-03 02:57:53,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:57:53 ImpRootNode [2023-12-03 02:57:53,060 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:57:53,061 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:57:53,061 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:57:53,061 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:57:53,062 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:57:52" (3/4) ... [2023-12-03 02:57:53,064 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:57:53,066 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:57:53,067 INFO L158 Benchmark]: Toolchain (without parser) took 1859.15ms. Allocated memory is still 182.5MB. Free memory was 152.3MB in the beginning and 143.7MB in the end (delta: 8.6MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2023-12-03 02:57:53,067 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 113.2MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:57:53,068 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.79ms. Allocated memory is still 182.5MB. Free memory was 152.3MB in the beginning and 138.3MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 02:57:53,069 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.27ms. Allocated memory is still 182.5MB. Free memory was 138.3MB in the beginning and 135.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:57:53,070 INFO L158 Benchmark]: Boogie Preprocessor took 56.59ms. Allocated memory is still 182.5MB. Free memory was 135.9MB in the beginning and 133.4MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 02:57:53,070 INFO L158 Benchmark]: RCFGBuilder took 695.02ms. Allocated memory is still 182.5MB. Free memory was 133.4MB in the beginning and 97.3MB in the end (delta: 36.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-03 02:57:53,071 INFO L158 Benchmark]: CodeCheck took 687.40ms. Allocated memory is still 182.5MB. Free memory was 97.3MB in the beginning and 144.6MB in the end (delta: -47.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:57:53,072 INFO L158 Benchmark]: Witness Printer took 5.11ms. Allocated memory is still 182.5MB. Free memory was 144.6MB in the beginning and 143.7MB in the end (delta: 892.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:57:53,076 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 3 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 46 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 30 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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: 233]: 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 232, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; [L218] float x = __VERIFIER_nondet_float(); [L219] float y = 0.0f; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, y=0, zero_atan2=0] [L226] COND TRUE x < 0.0f [L229] CALL, EXPR __ieee754_atan2f(y, x) [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [\old(x)=3, \old(y)=0, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=3, y=0, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] EXPR gf_u.value = (x) [L127] EXPR gf_u.word [L127] EXPR (hx) = gf_u.word [L124-L128] { ieee_float_shape_type gf_u; gf_u.value = (x); (hx) = gf_u.word; } VAL [\old(x)=3, \old(y)=0, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=17887, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=3, y=0, zero_atan2=0] [L129] ix = hx & 0x7fffffff VAL [\old(x)=3, \old(y)=0, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=17887, ix=17887, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=3, y=0, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] EXPR gf_u.value = (y) [L133] EXPR gf_u.word [L133] EXPR (hy) = gf_u.word [L130-L134] { ieee_float_shape_type gf_u; gf_u.value = (y); (hy) = gf_u.word; } VAL [\old(x)=3, \old(y)=0, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=17887, hy=2139095041, ix=17887, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=3, y=0, zero_atan2=0] [L135] iy = hy & 0x7fffffff VAL [\old(x)=3, \old(y)=0, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=17887, hy=2139095041, ix=17887, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=3, y=0, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [\old(x)=3, \old(y)=0, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=17887, hy=2139095041, ix=17887, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=3, y=0, zero_atan2=0] [L229] RET, EXPR __ieee754_atan2f(y, x) [L229] float res = __ieee754_atan2f(y, x); [L232] COND TRUE res != pi VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=9, tiny_atan2=1/1000000000000000000000000000000, x=3, y=0, zero_atan2=0] [L233] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=9, tiny_atan2=1/1000000000000000000000000000000, x=3, y=0, zero_atan2=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 113.2MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.79ms. Allocated memory is still 182.5MB. Free memory was 152.3MB in the beginning and 138.3MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.27ms. Allocated memory is still 182.5MB. Free memory was 138.3MB in the beginning and 135.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.59ms. Allocated memory is still 182.5MB. Free memory was 135.9MB in the beginning and 133.4MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 695.02ms. Allocated memory is still 182.5MB. Free memory was 133.4MB in the beginning and 97.3MB in the end (delta: 36.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * CodeCheck took 687.40ms. Allocated memory is still 182.5MB. Free memory was 97.3MB in the beginning and 144.6MB in the end (delta: -47.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.11ms. Allocated memory is still 182.5MB. Free memory was 144.6MB in the beginning and 143.7MB in the end (delta: 892.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 02:57:53,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/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_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0660b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/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_c61e211a-6fa9-43c0-88b4-2676432b9af1/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 987a617ddfa597b9fd514ac45c30c05d0ba2d1aba473d81a379c621ee06eaca4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:57:55,291 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:57:55,379 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 02:57:55,416 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:57:55,417 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:57:55,418 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:57:55,419 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:57:55,419 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:57:55,420 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:57:55,420 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:57:55,421 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:57:55,422 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:57:55,422 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:57:55,423 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:57:55,423 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:57:55,424 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:57:55,425 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:57:55,425 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:57:55,426 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:57:55,426 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:57:55,427 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:57:55,428 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:57:55,428 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:57:55,429 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:57:55,429 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:57:55,430 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:55,430 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:57:55,431 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:57:55,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:57:55,432 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:57:55,432 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:57:55,433 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:57:55,433 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:57:55,434 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:55,434 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:57:55,435 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:57:55,435 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:57:55,435 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_c61e211a-6fa9-43c0-88b4-2676432b9af1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 987a617ddfa597b9fd514ac45c30c05d0ba2d1aba473d81a379c621ee06eaca4 [2023-12-03 02:57:55,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:57:55,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:57:55,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:57:55,798 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:57:55,798 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:57:55,800 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/float_req_bl_0660b.c [2023-12-03 02:57:58,702 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:57:58,938 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:57:58,939 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/sv-benchmarks/c/float-newlib/float_req_bl_0660b.c [2023-12-03 02:57:58,950 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/data/e6639e638/acaeb9abe91d4a7abc2ddeb23b8a9c5a/FLAG88f995d55 [2023-12-03 02:57:58,968 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/data/e6639e638/acaeb9abe91d4a7abc2ddeb23b8a9c5a [2023-12-03 02:57:58,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:57:58,973 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:57:58,975 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:57:58,975 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:57:58,981 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:57:58,982 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:57:58" (1/1) ... [2023-12-03 02:57:58,983 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@282f834e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:58, skipping insertion in model container [2023-12-03 02:57:58,983 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:57:58" (1/1) ... [2023-12-03 02:57:59,023 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:57:59,284 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_c61e211a-6fa9-43c0-88b4-2676432b9af1/sv-benchmarks/c/float-newlib/float_req_bl_0660b.c[5271,5284] [2023-12-03 02:57:59,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:57:59,310 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:57:59,370 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_c61e211a-6fa9-43c0-88b4-2676432b9af1/sv-benchmarks/c/float-newlib/float_req_bl_0660b.c[5271,5284] [2023-12-03 02:57:59,371 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:57:59,399 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:57:59,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:59 WrapperNode [2023-12-03 02:57:59,400 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:57:59,402 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:57:59,402 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:57:59,402 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:57:59,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:59" (1/1) ... [2023-12-03 02:57:59,430 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:59" (1/1) ... [2023-12-03 02:57:59,464 INFO L138 Inliner]: procedures = 22, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 217 [2023-12-03 02:57:59,464 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:57:59,465 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:57:59,466 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:57:59,466 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:57:59,478 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:59" (1/1) ... [2023-12-03 02:57:59,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:59" (1/1) ... [2023-12-03 02:57:59,487 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:59" (1/1) ... [2023-12-03 02:57:59,487 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:59" (1/1) ... [2023-12-03 02:57:59,507 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:59" (1/1) ... [2023-12-03 02:57:59,515 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:59" (1/1) ... [2023-12-03 02:57:59,520 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:59" (1/1) ... [2023-12-03 02:57:59,523 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:59" (1/1) ... [2023-12-03 02:57:59,531 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:57:59,532 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:57:59,532 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:57:59,532 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:57:59,533 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:59" (1/1) ... [2023-12-03 02:57:59,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:57:59,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:57:59,568 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:57:59,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:57:59,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:57:59,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-03 02:57:59,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:57:59,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:57:59,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-03 02:57:59,610 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2023-12-03 02:57:59,610 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2023-12-03 02:57:59,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:57:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:57:59,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:57:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-03 02:57:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2023-12-03 02:57:59,611 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2023-12-03 02:57:59,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 02:57:59,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:57:59,735 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:57:59,738 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:58:37,938 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:58:38,030 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:58:38,030 INFO L309 CfgBuilder]: Removed 14 assume(true) statements. [2023-12-03 02:58:38,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:58:38 BoogieIcfgContainer [2023-12-03 02:58:38,033 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:58:38,034 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:58:38,034 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:58:38,046 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:58:38,046 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:58:38" (1/1) ... [2023-12-03 02:58:38,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:58:38,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:38,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 69 states and 112 transitions. [2023-12-03 02:58:38,114 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 112 transitions. [2023-12-03 02:58:38,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:58:38,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:38,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:58:38,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:58:38,153 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:58:38,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:58:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:39,312 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:58:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:39,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:58:39,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:39,451 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 02:58:39,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:58:40,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:40,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 69 states and 107 transitions. [2023-12-03 02:58:40,019 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 107 transitions. [2023-12-03 02:58:40,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 02:58:40,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:40,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:58:40,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:58:40,021 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:58:40,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:58:43,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:43,120 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:58:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:43,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:58:43,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:43,462 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 02:58:43,944 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2023-12-03 02:58:43,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2023-12-03 02:58:44,005 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:58:44,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 28 [2023-12-03 02:58:44,558 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 02:58:44,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-12-03 02:58:46,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:46,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 69 states and 106 transitions. [2023-12-03 02:58:46,424 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 106 transitions. [2023-12-03 02:58:46,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 02:58:46,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:46,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:58:46,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:58:46,430 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:58:46,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:58:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:48,743 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:58:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:48,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 02:58:48,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:49,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 02:58:49,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-12-03 02:58:49,648 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 02:58:49,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 02:58:50,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:50,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 69 states and 105 transitions. [2023-12-03 02:58:50,581 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 105 transitions. [2023-12-03 02:58:50,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 02:58:50,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:50,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:58:50,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:58:50,583 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:58:50,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 02:58:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:55,086 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:58:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:55,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 02:58:55,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:55,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 02:58:55,761 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:58:55,763 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2023-12-03 02:58:55,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-12-03 02:58:57,511 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 02:58:57,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 02:59:33,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:33,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 67 states and 100 transitions. [2023-12-03 02:59:33,344 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 100 transitions. [2023-12-03 02:59:33,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:59:33,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:33,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:59:33,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:59:33,345 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:59:33,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 02:59:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:36,422 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:59:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:36,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 02:59:36,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:42,496 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 02:59:42,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 03:00:25,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:00:27,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:00:31,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:00:37,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:37,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 69 states and 116 transitions. [2023-12-03 03:00:37,144 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 116 transitions. [2023-12-03 03:00:37,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 03:00:37,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:37,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:00:37,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:00:37,146 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:00:37,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 03:00:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:39,559 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:00:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:39,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 03:00:39,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:39,746 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 03:00:39,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-12-03 03:00:41,107 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 03:00:41,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-12-03 03:00:49,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:49,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 69 states and 114 transitions. [2023-12-03 03:00:49,606 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 114 transitions. [2023-12-03 03:00:49,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:00:49,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:49,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:00:49,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:00:49,608 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:00:49,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 03:00:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:52,037 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:00:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:52,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 03:00:52,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:52,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 03:00:52,488 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2023-12-03 03:00:52,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 24 [2023-12-03 03:00:52,555 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 03:00:52,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 28 [2023-12-03 03:01:02,067 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 03:01:02,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 03:02:20,116 WARN L293 SmtUtils]: Spent 50.18s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 03:04:01,254 WARN L293 SmtUtils]: Spent 1.04m on a formula simplification that was a NOOP. DAG size: 53 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 03:04:19,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:04:44,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:04:44,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:04:44,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2023-12-03 03:04:44,408 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2023-12-03 03:04:44,409 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 03:04:44,409 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2023-12-03 03:04:44,417 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 03:04:45,804 INFO L560 CodeCheckObserver]: Invariant with dag size 35 [2023-12-03 03:04:45,810 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_9 : bv32 :: ~hx~1 == #memory_int[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_9][0bv32] && ~fp.lt~32(~fp~32(#memory_int[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_9][0bv32][31:31], #memory_int[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_9][0bv32][30:23], #memory_int[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_9][0bv32][22:0]), ~Pluszero~32())) could not be translated [2023-12-03 03:04:45,812 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2023-12-03 03:04:45,813 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-12-03 03:04:45,814 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 03:04:45,814 INFO L560 CodeCheckObserver]: Invariant with dag size 19 [2023-12-03 03:04:45,814 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2023-12-03 03:04:45,815 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2023-12-03 03:04:45,815 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-12-03 03:04:45,815 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2023-12-03 03:04:45,815 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-12-03 03:04:45,816 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-12-03 03:04:45,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:04:45 ImpRootNode [2023-12-03 03:04:45,816 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:04:45,817 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:04:45,817 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:04:45,817 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:04:45,818 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:58:38" (3/4) ... [2023-12-03 03:04:45,820 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 03:04:45,824 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2023-12-03 03:04:45,824 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2023-12-03 03:04:45,833 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2023-12-03 03:04:45,834 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-12-03 03:04:45,835 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-03 03:04:45,836 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 03:04:45,963 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 03:04:45,964 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 03:04:45,964 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:04:45,965 INFO L158 Benchmark]: Toolchain (without parser) took 406991.88ms. Allocated memory is still 117.4MB. Free memory was 94.2MB in the beginning and 57.9MB in the end (delta: 36.3MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2023-12-03 03:04:45,965 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:04:45,965 INFO L158 Benchmark]: CACSL2BoogieTranslator took 425.73ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 78.9MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 03:04:45,966 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.97ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 76.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:04:45,966 INFO L158 Benchmark]: Boogie Preprocessor took 65.48ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 73.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:04:45,967 INFO L158 Benchmark]: RCFGBuilder took 38500.92ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 69.0MB in the end (delta: 4.3MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2023-12-03 03:04:45,967 INFO L158 Benchmark]: CodeCheck took 367782.92ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 65.3MB in the end (delta: 3.8MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2023-12-03 03:04:45,967 INFO L158 Benchmark]: Witness Printer took 147.11ms. Allocated memory is still 117.4MB. Free memory was 65.3MB in the beginning and 57.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 03:04:45,970 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 3 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 366.3s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 490 SdHoareTripleChecker+Valid, 61.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 139 mSDsluCounter, 357 SdHoareTripleChecker+Invalid, 58.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 74 mSDsCounter, 130 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 674 IncrementalHoareTripleChecker+Invalid, 804 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 130 mSolverCounterUnsat, 283 mSDtfsCounter, 674 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1071 GetRequests, 944 SyntacticMatches, 13 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4249 ImplicationChecksByTransitivity, 320.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 21.8s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 96 ConstructedInterpolants, 22 QuantifiedInterpolants, 1235 SizeOfPredicates, 52 NumberOfNonLiveVariables, 657 ConjunctsInSsa, 87 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 233]: 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: 130]: Loop Invariant Derived loop invariant: (ix == (2147483647 & hx)) - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 425.73ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 78.9MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.97ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 76.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.48ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 73.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 38500.92ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 69.0MB in the end (delta: 4.3MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * CodeCheck took 367782.92ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 65.3MB in the end (delta: 3.8MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * Witness Printer took 147.11ms. Allocated memory is still 117.4MB. Free memory was 65.3MB in the beginning and 57.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_9 : bv32 :: ~hx~1 == #memory_int[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_9][0bv32] && ~fp.lt~32(~fp~32(#memory_int[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_9][0bv32][31:31], #memory_int[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_9][0bv32][30:23], #memory_int[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_9][0bv32][22:0]), ~Pluszero~32())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated RESULT: Ultimate proved your program to be correct! [2023-12-03 03:04:46,182 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 03:04:46,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c61e211a-6fa9-43c0-88b4-2676432b9af1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE