./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0660b.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_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/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_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0660b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/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_2dccb3b5-8782-4410-b1ff-af232662ec13/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 6b6f2248fef0dd5c7754a6fb4a3f6f7201620c77059d6480978fc928d68c4f15 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:20:58,453 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:20:58,528 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:20:58,533 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:20:58,534 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:20:58,557 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:20:58,557 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:20:58,558 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:20:58,559 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:20:58,559 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:20:58,560 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:20:58,560 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:20:58,561 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:20:58,562 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:20:58,562 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:20:58,563 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:20:58,563 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:20:58,564 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:20:58,564 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:20:58,565 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:20:58,565 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:20:58,566 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:20:58,567 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:20:58,567 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:20:58,568 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:20:58,568 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:20:58,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:20:58,569 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:20:58,570 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:20:58,570 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:20:58,570 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:20:58,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:20:58,571 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:20:58,571 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_2dccb3b5-8782-4410-b1ff-af232662ec13/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b6f2248fef0dd5c7754a6fb4a3f6f7201620c77059d6480978fc928d68c4f15 [2023-12-03 01:20:58,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:20:58,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:20:58,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:20:58,795 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:20:58,795 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:20:58,796 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2023-12-03 01:21:01,532 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:21:01,762 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:21:01,763 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2023-12-03 01:21:01,773 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/data/8bf0cf641/84cb292831ac4de3b4566c90beb31db1/FLAGbf5518d6e [2023-12-03 01:21:01,788 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/data/8bf0cf641/84cb292831ac4de3b4566c90beb31db1 [2023-12-03 01:21:01,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:21:01,792 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:21:01,793 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:21:01,794 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:21:01,798 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:21:01,798 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:21:01" (1/1) ... [2023-12-03 01:21:01,799 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@575a8fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:01, skipping insertion in model container [2023-12-03 01:21:01,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:21:01" (1/1) ... [2023-12-03 01:21:01,830 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:21:02,034 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_2dccb3b5-8782-4410-b1ff-af232662ec13/sv-benchmarks/c/float-newlib/double_req_bl_0660b.c[6212,6225] [2023-12-03 01:21:02,038 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:21:02,050 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:21:02,099 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_2dccb3b5-8782-4410-b1ff-af232662ec13/sv-benchmarks/c/float-newlib/double_req_bl_0660b.c[6212,6225] [2023-12-03 01:21:02,099 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:21:02,116 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:21:02,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:02 WrapperNode [2023-12-03 01:21:02,116 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:21:02,117 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:21:02,117 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:21:02,118 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:21:02,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:02" (1/1) ... [2023-12-03 01:21:02,136 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:02" (1/1) ... [2023-12-03 01:21:02,166 INFO L138 Inliner]: procedures = 19, calls = 87, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 313 [2023-12-03 01:21:02,167 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:21:02,167 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:21:02,168 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:21:02,168 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:21:02,177 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:02" (1/1) ... [2023-12-03 01:21:02,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:02" (1/1) ... [2023-12-03 01:21:02,184 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:02" (1/1) ... [2023-12-03 01:21:02,184 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:02" (1/1) ... [2023-12-03 01:21:02,201 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:02" (1/1) ... [2023-12-03 01:21:02,208 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:02" (1/1) ... [2023-12-03 01:21:02,211 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:02" (1/1) ... [2023-12-03 01:21:02,214 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:02" (1/1) ... [2023-12-03 01:21:02,219 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:21:02,220 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:21:02,220 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:21:02,220 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:21:02,221 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:02" (1/1) ... [2023-12-03 01:21:02,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:21:02,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:21:02,252 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:21:02,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:21:02,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:21:02,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:21:02,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:21:02,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-03 01:21:02,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 01:21:02,284 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2023-12-03 01:21:02,284 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2023-12-03 01:21:02,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-03 01:21:02,285 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2023-12-03 01:21:02,285 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2023-12-03 01:21:02,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:21:02,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:21:02,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 01:21:02,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-12-03 01:21:02,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:21:02,390 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:21:02,392 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:21:02,872 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:21:03,074 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:21:03,075 INFO L309 CfgBuilder]: Removed 16 assume(true) statements. [2023-12-03 01:21:03,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:21:03 BoogieIcfgContainer [2023-12-03 01:21:03,076 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:21:03,077 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:21:03,077 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:21:03,086 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:21:03,087 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:21:03" (1/1) ... [2023-12-03 01:21:03,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:21:03,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:21:03,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 73 states and 118 transitions. [2023-12-03 01:21:03,148 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 118 transitions. [2023-12-03 01:21:03,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 01:21:03,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:21:03,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:21:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:21:03,364 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 01:21:03,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:21:03,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 73 states and 113 transitions. [2023-12-03 01:21:03,423 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 113 transitions. [2023-12-03 01:21:03,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 01:21:03,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:21:03,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:21:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:21:03,564 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:21:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:21:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:21:03,797 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:21:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:21:03,926 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-03 01:21:03,957 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet31 could not be translated [2023-12-03 01:21:03,958 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet30 could not be translated [2023-12-03 01:21:03,958 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated [2023-12-03 01:21:03,959 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated [2023-12-03 01:21:03,959 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short34 could not be translated [2023-12-03 01:21:03,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:21:03 ImpRootNode [2023-12-03 01:21:03,966 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:21:03,966 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:21:03,967 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:21:03,967 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:21:03,967 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:21:03" (3/4) ... [2023-12-03 01:21:03,969 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:21:03,970 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:21:03,971 INFO L158 Benchmark]: Toolchain (without parser) took 2179.32ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 101.2MB in the beginning and 86.6MB in the end (delta: 14.7MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2023-12-03 01:21:03,972 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 132.1MB. Free memory is still 91.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:21:03,972 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.21ms. Allocated memory is still 132.1MB. Free memory was 100.9MB in the beginning and 86.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 01:21:03,973 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.58ms. Allocated memory is still 132.1MB. Free memory was 86.2MB in the beginning and 83.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:21:03,974 INFO L158 Benchmark]: Boogie Preprocessor took 51.69ms. Allocated memory is still 132.1MB. Free memory was 83.4MB in the beginning and 80.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:21:03,974 INFO L158 Benchmark]: RCFGBuilder took 856.68ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 80.4MB in the beginning and 88.4MB in the end (delta: -8.0MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2023-12-03 01:21:03,975 INFO L158 Benchmark]: CodeCheck took 888.53ms. Allocated memory is still 163.6MB. Free memory was 88.4MB in the beginning and 86.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:21:03,975 INFO L158 Benchmark]: Witness Printer took 4.07ms. Allocated memory is still 163.6MB. Free memory is still 86.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:21:03,979 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, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 28 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, 28 mSDtfsCounter, 4 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: 261]: 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 bitwiseOr at line 163, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 260. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; [L252] double x = __VERIFIER_nondet_double(); [L253] double y = 0.0; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, y=0, zero_atan2=0] [L255] COND TRUE x < 0.0 [L257] CALL, EXPR __ieee754_atan2(y, x) [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [\old(x)=3, \old(y)=0, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=3, y=0, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] EXPR ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] EXPR (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] EXPR (lx) = ew_u.parts.lsw [L149-L154] { ieee_double_shape_type ew_u; ew_u.value = (x); (hx) = ew_u.parts.msw; (lx) = ew_u.parts.lsw; } VAL [\old(x)=3, \old(y)=0, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435072, lx=-2147483648, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=3, y=0, zero_atan2=0] [L155] ix = hx & 0x7fffffff VAL [\old(x)=3, \old(y)=0, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435072, ix=2146435072, lx=-2147483648, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=3, y=0, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] EXPR ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] EXPR (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] EXPR (ly) = ew_u.parts.lsw [L156-L161] { ieee_double_shape_type ew_u; ew_u.value = (y); (hy) = ew_u.parts.msw; (ly) = ew_u.parts.lsw; } VAL [\old(x)=3, \old(y)=0, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435072, hy=0, ix=2146435072, lx=-2147483648, ly=-2147483647, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=3, y=0, zero_atan2=0] [L162] iy = hy & 0x7fffffff [L163] EXPR lx | -lx [L163] EXPR ix | ((lx | -lx) >> 31) [L163-L164] ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) VAL [\old(x)=3, \old(y)=0, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435072, hy=0, ix=2146435072, iy=0, lx=-2147483648, ly=-2147483647, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=3, y=0, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [\old(x)=3, \old(y)=0, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435072, hy=0, ix=2146435072, iy=0, lx=-2147483648, ly=-2147483647, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=3, y=0, zero_atan2=0] [L257] RET, EXPR __ieee754_atan2(y, x) [L257] double res = __ieee754_atan2(y, x); [L260] COND TRUE res != pi VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=9, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=3, y=0, zero_atan2=0] [L261] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=9, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=3, y=0, zero_atan2=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 132.1MB. Free memory is still 91.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.21ms. Allocated memory is still 132.1MB. Free memory was 100.9MB in the beginning and 86.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.58ms. Allocated memory is still 132.1MB. Free memory was 86.2MB in the beginning and 83.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.69ms. Allocated memory is still 132.1MB. Free memory was 83.4MB in the beginning and 80.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 856.68ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 80.4MB in the beginning and 88.4MB in the end (delta: -8.0MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * CodeCheck took 888.53ms. Allocated memory is still 163.6MB. Free memory was 88.4MB in the beginning and 86.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.07ms. Allocated memory is still 163.6MB. Free memory is still 86.6MB. 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~nondet31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short34 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 01:21:04,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/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_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/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_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0660b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/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_2dccb3b5-8782-4410-b1ff-af232662ec13/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 6b6f2248fef0dd5c7754a6fb4a3f6f7201620c77059d6480978fc928d68c4f15 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:21:05,953 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:21:06,020 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 01:21:06,051 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:21:06,052 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:21:06,052 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:21:06,053 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:21:06,054 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:21:06,054 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:21:06,055 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:21:06,055 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:21:06,056 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:21:06,056 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:21:06,057 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:21:06,057 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:21:06,058 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:21:06,058 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:21:06,059 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:21:06,059 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:21:06,059 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:21:06,060 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:21:06,063 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:21:06,063 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:21:06,064 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:21:06,064 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:21:06,065 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:21:06,065 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:21:06,066 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:21:06,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:21:06,067 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:21:06,067 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:21:06,067 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:21:06,068 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:21:06,068 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:21:06,068 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:21:06,068 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:21:06,068 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:21:06,069 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_2dccb3b5-8782-4410-b1ff-af232662ec13/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b6f2248fef0dd5c7754a6fb4a3f6f7201620c77059d6480978fc928d68c4f15 [2023-12-03 01:21:06,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:21:06,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:21:06,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:21:06,391 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:21:06,391 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:21:06,392 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2023-12-03 01:21:09,153 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:21:09,342 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:21:09,343 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2023-12-03 01:21:09,352 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/data/5c199ca75/191454e5a69b452389475e0a4bc6f7ef/FLAG50ded4cfc [2023-12-03 01:21:09,367 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/data/5c199ca75/191454e5a69b452389475e0a4bc6f7ef [2023-12-03 01:21:09,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:21:09,370 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:21:09,371 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:21:09,371 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:21:09,375 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:21:09,375 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:21:09" (1/1) ... [2023-12-03 01:21:09,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c7d706b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:09, skipping insertion in model container [2023-12-03 01:21:09,377 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:21:09" (1/1) ... [2023-12-03 01:21:09,406 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:21:09,599 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_2dccb3b5-8782-4410-b1ff-af232662ec13/sv-benchmarks/c/float-newlib/double_req_bl_0660b.c[6212,6225] [2023-12-03 01:21:09,603 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:21:09,619 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:21:09,671 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_2dccb3b5-8782-4410-b1ff-af232662ec13/sv-benchmarks/c/float-newlib/double_req_bl_0660b.c[6212,6225] [2023-12-03 01:21:09,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:21:09,693 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:21:09,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:09 WrapperNode [2023-12-03 01:21:09,694 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:21:09,695 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:21:09,695 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:21:09,695 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:21:09,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:09" (1/1) ... [2023-12-03 01:21:09,717 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:09" (1/1) ... [2023-12-03 01:21:09,744 INFO L138 Inliner]: procedures = 22, calls = 87, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 226 [2023-12-03 01:21:09,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:21:09,746 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:21:09,746 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:21:09,746 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:21:09,755 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:09" (1/1) ... [2023-12-03 01:21:09,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:09" (1/1) ... [2023-12-03 01:21:09,763 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:09" (1/1) ... [2023-12-03 01:21:09,763 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:09" (1/1) ... [2023-12-03 01:21:09,793 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:09" (1/1) ... [2023-12-03 01:21:09,800 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:09" (1/1) ... [2023-12-03 01:21:09,803 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:09" (1/1) ... [2023-12-03 01:21:09,806 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:09" (1/1) ... [2023-12-03 01:21:09,812 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:21:09,813 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:21:09,813 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:21:09,813 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:21:09,814 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:09" (1/1) ... [2023-12-03 01:21:09,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:21:09,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:21:09,864 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:21:09,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:21:09,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:21:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-12-03 01:21:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-12-03 01:21:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:21:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:21:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2023-12-03 01:21:09,904 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2023-12-03 01:21:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-12-03 01:21:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2023-12-03 01:21:09,905 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2023-12-03 01:21:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 01:21:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:21:09,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:21:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 01:21:09,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:21:10,022 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:21:10,025 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:22:21,962 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:22:22,044 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:22:22,045 INFO L309 CfgBuilder]: Removed 16 assume(true) statements. [2023-12-03 01:22:22,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:22:22 BoogieIcfgContainer [2023-12-03 01:22:22,046 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:22:22,047 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:22:22,047 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:22:22,054 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:22:22,055 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:22:22" (1/1) ... [2023-12-03 01:22:22,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:22:22,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:22:22,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 72 states and 117 transitions. [2023-12-03 01:22:22,154 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 117 transitions. [2023-12-03 01:22:22,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 01:22:22,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:22:22,157 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:22:22,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:22:22,158 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:22:22,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:22:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:23,093 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:22:23,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:23,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:22:23,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:22:23,196 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 01:22:23,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:22:25,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:22:25,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:22:25,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 72 states and 112 transitions. [2023-12-03 01:22:25,249 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 112 transitions. [2023-12-03 01:22:25,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 01:22:25,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:22:25,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:22:25,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:22:25,251 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:22:25,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 01:22:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:27,672 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:22:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:27,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 01:22:27,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:22:28,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2023-12-03 01:22:30,198 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:22:30,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 17 [2023-12-03 01:22:31,809 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 01:22:31,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 01:22:36,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:22:36,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 72 states and 111 transitions. [2023-12-03 01:22:36,819 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 111 transitions. [2023-12-03 01:22:36,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 01:22:36,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:22:36,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:22:36,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:22:36,821 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:22:36,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 01:22:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:39,124 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:22:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:39,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 01:22:39,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:22:42,549 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 01:22:42,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 01:22:54,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:22:54,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 72 states and 110 transitions. [2023-12-03 01:22:54,465 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 110 transitions. [2023-12-03 01:22:54,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 01:22:54,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:22:54,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:22:54,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:22:54,467 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:22:54,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 01:22:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:57,719 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:22:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:57,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-03 01:22:57,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:22:58,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2023-12-03 01:23:00,396 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:23:00,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 15 [2023-12-03 01:23:07,947 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 01:23:07,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 01:23:21,661 WARN L293 SmtUtils]: Spent 6.52s on a formula simplification. DAG size of input: 50 DAG size of output: 40 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:23:47,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:23:59,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:24:11,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:11,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 70 states and 105 transitions. [2023-12-03 01:24:11,691 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 105 transitions. [2023-12-03 01:24:11,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 01:24:11,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:11,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:11,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:11,715 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:11,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 01:24:14,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:14,242 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:14,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:24:14,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:33,753 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 01:24:33,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 01:25:52,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:26:06,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:26:33,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:26:34,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:26:38,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:26:42,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.87s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:26:43,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:26:44,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:26:49,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.68s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:26:52,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.93s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:26:55,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:26:58,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:27:00,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:27:04,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:27:06,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:27:08,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:27:09,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:27:12,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:27:14,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:27:16,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:27:19,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:27:20,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:27:24,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:27:31,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:31,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 72 states and 121 transitions. [2023-12-03 01:27:31,920 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 121 transitions. [2023-12-03 01:27:31,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 01:27:31,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:31,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:31,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:31,923 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:31,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 01:27:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:34,028 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:34,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 01:27:34,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:43,830 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 01:27:43,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 01:28:18,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:28:19,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:28:19,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:19,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 72 states and 119 transitions. [2023-12-03 01:28:19,990 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 119 transitions. [2023-12-03 01:28:19,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 01:28:19,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:19,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:28:19,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:28:19,992 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:28:19,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 01:28:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:22,651 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:28:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:22,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 01:28:22,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:35,409 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 01:28:35,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 01:29:01,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:29:01,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2023-12-03 01:29:01,548 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2023-12-03 01:29:01,548 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 01:29:01,549 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2023-12-03 01:29:01,559 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 01:29:06,512 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2023-12-03 01:29:06,520 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-12-03 01:29:06,521 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-12-03 01:29:06,521 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-12-03 01:29:06,522 INFO L560 CodeCheckObserver]: Invariant with dag size 42 [2023-12-03 01:29:06,524 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-12-03 01:29:06,525 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_29 : bv64, v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_9 : bv32 :: (((#memory_int[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_9][0bv32] == ~lx~0 && #memory_int[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_9][4bv32] == ~hx~1) && ~fp.lt~64(~fp~64(v_skolemized_q#valueAsBitvector_29[63:63], v_skolemized_q#valueAsBitvector_29[62:52], v_skolemized_q#valueAsBitvector_29[51:0]), ~Pluszero~64())) && #memory_int[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_9][4bv32] == v_skolemized_q#valueAsBitvector_29[63:32]) && #memory_int[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_9][0bv32] == v_skolemized_q#valueAsBitvector_29[31:0]) could not be translated [2023-12-03 01:29:06,525 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-12-03 01:29:06,526 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2023-12-03 01:29:06,526 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-12-03 01:29:06,526 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-12-03 01:29:06,527 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:29:06,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:29:06 ImpRootNode [2023-12-03 01:29:06,528 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:29:06,528 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:29:06,528 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:29:06,529 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:29:06,529 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:22:22" (3/4) ... [2023-12-03 01:29:06,532 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 01:29:06,536 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2023-12-03 01:29:06,536 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_double [2023-12-03 01:29:06,547 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2023-12-03 01:29:06,548 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-12-03 01:29:06,549 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-03 01:29:06,550 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 01:29:06,687 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 01:29:06,687 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 01:29:06,687 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:29:06,688 INFO L158 Benchmark]: Toolchain (without parser) took 477318.15ms. Allocated memory is still 100.7MB. Free memory was 76.7MB in the beginning and 34.3MB in the end (delta: 42.4MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2023-12-03 01:29:06,688 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 69.2MB. Free memory is still 46.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:29:06,688 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.31ms. Allocated memory is still 100.7MB. Free memory was 76.4MB in the beginning and 60.8MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 01:29:06,689 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.11ms. Allocated memory is still 100.7MB. Free memory was 60.6MB in the beginning and 58.3MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 01:29:06,689 INFO L158 Benchmark]: Boogie Preprocessor took 66.32ms. Allocated memory is still 100.7MB. Free memory was 58.3MB in the beginning and 78.3MB in the end (delta: -20.0MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2023-12-03 01:29:06,690 INFO L158 Benchmark]: RCFGBuilder took 72233.43ms. Allocated memory is still 100.7MB. Free memory was 78.3MB in the beginning and 31.5MB in the end (delta: 46.8MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-12-03 01:29:06,690 INFO L158 Benchmark]: CodeCheck took 404480.90ms. Allocated memory is still 100.7MB. Free memory was 31.5MB in the beginning and 41.6MB in the end (delta: -10.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:29:06,690 INFO L158 Benchmark]: Witness Printer took 159.04ms. Allocated memory is still 100.7MB. Free memory was 41.6MB in the beginning and 34.3MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 01:29:06,692 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, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 399.5s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 14 mSolverCounterUnknown, 507 SdHoareTripleChecker+Valid, 354.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 159 mSDsluCounter, 377 SdHoareTripleChecker+Invalid, 344.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 94 mSDsCounter, 136 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 706 IncrementalHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 136 mSolverCounterUnsat, 283 mSDtfsCounter, 706 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1076 GetRequests, 945 SyntacticMatches, 15 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4083 ImplicationChecksByTransitivity, 263.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 58.9s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 96 ConstructedInterpolants, 32 QuantifiedInterpolants, 1230 SizeOfPredicates, 53 NumberOfNonLiveVariables, 947 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: 261]: 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: 149]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: (ix == (2147483647 & hx)) - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 69.2MB. Free memory is still 46.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.31ms. Allocated memory is still 100.7MB. Free memory was 76.4MB in the beginning and 60.8MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.11ms. Allocated memory is still 100.7MB. Free memory was 60.6MB in the beginning and 58.3MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.32ms. Allocated memory is still 100.7MB. Free memory was 58.3MB in the beginning and 78.3MB in the end (delta: -20.0MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * RCFGBuilder took 72233.43ms. Allocated memory is still 100.7MB. Free memory was 78.3MB in the beginning and 31.5MB in the end (delta: 46.8MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * CodeCheck took 404480.90ms. Allocated memory is still 100.7MB. Free memory was 31.5MB in the beginning and 41.6MB in the end (delta: -10.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 159.04ms. Allocated memory is still 100.7MB. Free memory was 41.6MB in the beginning and 34.3MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_29 : bv64, v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_9 : bv32 :: (((#memory_int[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_9][0bv32] == ~lx~0 && #memory_int[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_9][4bv32] == ~hx~1) && ~fp.lt~64(~fp~64(v_skolemized_q#valueAsBitvector_29[63:63], v_skolemized_q#valueAsBitvector_29[62:52], v_skolemized_q#valueAsBitvector_29[51:0]), ~Pluszero~64())) && #memory_int[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_9][4bv32] == v_skolemized_q#valueAsBitvector_29[63:32]) && #memory_int[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_9][0bv32] == v_skolemized_q#valueAsBitvector_29[31:0]) 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 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated RESULT: Ultimate proved your program to be correct! [2023-12-03 01:29:06,903 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 01:29:06,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dccb3b5-8782-4410-b1ff-af232662ec13/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