./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1131b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1131b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL --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 d3f5e2f61d9aede081f1a1ed7366ef26236506b858e1509a8a1bfedbe9950eac --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:59:29,748 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:59:29,814 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:59:29,820 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:59:29,820 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:59:29,844 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:59:29,845 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:59:29,846 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:59:29,847 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:59:29,848 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:59:29,849 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:59:29,849 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:59:29,850 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:59:29,851 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:59:29,851 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:59:29,852 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:59:29,852 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:59:29,853 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:59:29,854 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:59:29,854 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:59:29,855 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:59:29,856 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:59:29,857 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:59:29,857 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:59:29,858 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:59:29,858 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:59:29,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:29,860 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:59:29,860 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:59:29,861 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:59:29,861 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:59:29,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:59:29,862 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:59:29,863 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_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3f5e2f61d9aede081f1a1ed7366ef26236506b858e1509a8a1bfedbe9950eac [2023-11-19 03:59:30,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:59:30,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:59:30,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:59:30,208 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:59:30,209 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:59:30,210 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/double_req_bl_1131b.c [2023-11-19 03:59:33,307 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:59:33,532 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:59:33,533 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/sv-benchmarks/c/float-newlib/double_req_bl_1131b.c [2023-11-19 03:59:33,541 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/data/79fc6111c/ca9149d9bdc84f63b8fa0b67567df629/FLAGd486002ed [2023-11-19 03:59:33,554 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/data/79fc6111c/ca9149d9bdc84f63b8fa0b67567df629 [2023-11-19 03:59:33,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:59:33,557 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:59:33,559 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:33,559 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:59:33,563 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:59:33,564 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:33" (1/1) ... [2023-11-19 03:59:33,565 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a03cf2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:33, skipping insertion in model container [2023-11-19 03:59:33,565 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:33" (1/1) ... [2023-11-19 03:59:33,617 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:59:33,823 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_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/sv-benchmarks/c/float-newlib/double_req_bl_1131b.c[4119,4132] [2023-11-19 03:59:33,827 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:33,837 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:59:33,889 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_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/sv-benchmarks/c/float-newlib/double_req_bl_1131b.c[4119,4132] [2023-11-19 03:59:33,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:33,906 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:59:33,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:33 WrapperNode [2023-11-19 03:59:33,907 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:33,908 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:33,908 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:59:33,908 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:59:33,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:33" (1/1) ... [2023-11-19 03:59:33,928 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:33" (1/1) ... [2023-11-19 03:59:33,975 INFO L138 Inliner]: procedures = 18, calls = 39, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 445 [2023-11-19 03:59:33,976 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:33,976 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:59:33,977 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:59:33,977 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:59:33,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:33" (1/1) ... [2023-11-19 03:59:33,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:33" (1/1) ... [2023-11-19 03:59:33,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:33" (1/1) ... [2023-11-19 03:59:33,993 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:33" (1/1) ... [2023-11-19 03:59:34,016 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:33" (1/1) ... [2023-11-19 03:59:34,031 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:33" (1/1) ... [2023-11-19 03:59:34,039 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:33" (1/1) ... [2023-11-19 03:59:34,042 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:33" (1/1) ... [2023-11-19 03:59:34,048 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:59:34,049 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:59:34,049 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:59:34,049 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:59:34,050 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:33" (1/1) ... [2023-11-19 03:59:34,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:34,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:59:34,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:59:34,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:59:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:59:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:59:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:59:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:59:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 03:59:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 03:59:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:59:34,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:59:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:59:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 03:59:34,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:59:34,285 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:59:34,288 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:59:35,035 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:59:35,514 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:59:35,514 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-19 03:59:35,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:35 BoogieIcfgContainer [2023-11-19 03:59:35,520 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:59:35,521 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:59:35,521 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:59:35,540 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:59:35,540 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:35" (1/1) ... [2023-11-19 03:59:35,553 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:59:35,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:35,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2023-11-19 03:59:35,630 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2023-11-19 03:59:35,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:59:35,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:35,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:35,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:35,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:35,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 44 states and 67 transitions. [2023-11-19 03:59:35,941 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2023-11-19 03:59:35,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:59:35,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:35,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:59:36,306 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:59:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:59:36,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:59:36,622 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:59:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:59:36,739 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:59:36,780 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-19 03:59:36,781 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated [2023-11-19 03:59:36,782 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated [2023-11-19 03:59:36,782 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short12 could not be translated [2023-11-19 03:59:36,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:59:36 ImpRootNode [2023-11-19 03:59:36,793 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:59:36,795 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:59:36,795 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:59:36,795 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:59:36,796 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:35" (3/4) ... [2023-11-19 03:59:36,802 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:59:36,803 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:59:36,805 INFO L158 Benchmark]: Toolchain (without parser) took 3246.72ms. Allocated memory is still 159.4MB. Free memory was 116.3MB in the beginning and 74.3MB in the end (delta: 41.9MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2023-11-19 03:59:36,805 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:59:36,807 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.09ms. Allocated memory is still 159.4MB. Free memory was 115.9MB in the beginning and 101.8MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:59:36,808 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.08ms. Allocated memory is still 159.4MB. Free memory was 101.8MB in the beginning and 98.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:59:36,809 INFO L158 Benchmark]: Boogie Preprocessor took 71.38ms. Allocated memory is still 159.4MB. Free memory was 98.3MB in the beginning and 95.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:59:36,810 INFO L158 Benchmark]: RCFGBuilder took 1471.23ms. Allocated memory is still 159.4MB. Free memory was 95.5MB in the beginning and 75.8MB in the end (delta: 19.6MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2023-11-19 03:59:36,811 INFO L158 Benchmark]: CodeCheck took 1272.01ms. Allocated memory is still 159.4MB. Free memory was 75.7MB in the beginning and 75.4MB in the end (delta: 313.9kB). Peak memory consumption was 313.9kB. Max. memory is 16.1GB. [2023-11-19 03:59:36,816 INFO L158 Benchmark]: Witness Printer took 8.77ms. Allocated memory is still 159.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:59:36,823 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 19 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 82 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, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 188]: 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 39, overapproximation of someUnaryDOUBLEoperation at line 19, overapproximation of someBinaryArithmeticDOUBLEoperation at line 44, overapproximation of someBinaryDOUBLEComparisonOperation at line 187. Possible FailurePath: [L17-L20] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L179] double y = -1.0 / 0.0; [L180] double x = __VERIFIER_nondet_double(); [L182] CALL isfinite_double(x) [L163] __int32_t hx; VAL [Zero_fmod={4:0}, \old(x)=2, one_fmod=1, x=2] [L165] ieee_double_shape_type gh_u; [L166] EXPR gh_u.value = (x) [L167] EXPR gh_u.parts.msw [L167] EXPR (hx) = gh_u.parts.msw [L164-L168] { ieee_double_shape_type gh_u; gh_u.value = (x); (hx) = gh_u.parts.msw; } VAL [Zero_fmod={4:0}, \old(x)=2, hx=0, one_fmod=1, x=2] [L169] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); [L182] RET isfinite_double(x) [L182] COND TRUE isfinite_double(x) [L184] CALL, EXPR fmod_double(x, y) [L23] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L24] __uint32_t lx, ly, lz; VAL [Zero_fmod={4:0}, \old(x)=2, \old(y)=3, one_fmod=1, x=2, y=3] [L27] ieee_double_shape_type ew_u; [L28] EXPR ew_u.value = (x) [L29] EXPR ew_u.parts.msw [L29] EXPR (hx) = ew_u.parts.msw [L30] EXPR ew_u.parts.lsw [L30] EXPR (lx) = ew_u.parts.lsw [L26-L31] { ieee_double_shape_type ew_u; ew_u.value = (x); (hx) = ew_u.parts.msw; (lx) = ew_u.parts.lsw; } VAL [Zero_fmod={4:0}, \old(x)=2, \old(y)=3, hx=-2147483648, lx=13, one_fmod=1, x=2, y=3] [L33] ieee_double_shape_type ew_u; [L34] EXPR ew_u.value = (y) [L35] EXPR ew_u.parts.msw [L35] EXPR (hy) = ew_u.parts.msw [L36] EXPR ew_u.parts.lsw [L36] EXPR (ly) = ew_u.parts.lsw [L32-L37] { ieee_double_shape_type ew_u; ew_u.value = (y); (hy) = ew_u.parts.msw; (ly) = ew_u.parts.lsw; } VAL [Zero_fmod={4:0}, \old(x)=2, \old(y)=3, hx=-2147483648, hy=0, lx=13, ly=175689932210176, one_fmod=1, x=2, y=3] [L38] sx = hx & 0x80000000 [L39] hx ^= sx [L40] hy &= 0x7fffffff [L42] EXPR hy | ly [L42-L43] (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) VAL [Zero_fmod={4:0}, \old(x)=2, \old(y)=3, hx=0, hy=0, lx=13, ly=175689932210176, one_fmod=1, sx=-2147483648, x=2, y=3] [L42-L43] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L44] return (x * y) / (x * y); VAL [Zero_fmod={4:0}, \old(x)=2, \old(y)=3, hx=0, hy=0, lx=13, ly=175689932210176, one_fmod=1, sx=-2147483648, x=2, y=3] [L184] RET, EXPR fmod_double(x, y) [L184] double res = fmod_double(x, y); [L187] COND TRUE res != x VAL [Zero_fmod={4:0}, one_fmod=1, res=4, x=2, y=3] [L188] reach_error() VAL [Zero_fmod={4:0}, one_fmod=1, res=4, x=2, y=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.09ms. Allocated memory is still 159.4MB. Free memory was 115.9MB in the beginning and 101.8MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.08ms. Allocated memory is still 159.4MB. Free memory was 101.8MB in the beginning and 98.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.38ms. Allocated memory is still 159.4MB. Free memory was 98.3MB in the beginning and 95.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1471.23ms. Allocated memory is still 159.4MB. Free memory was 95.5MB in the beginning and 75.8MB in the end (delta: 19.6MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. * CodeCheck took 1272.01ms. Allocated memory is still 159.4MB. Free memory was 75.7MB in the beginning and 75.4MB in the end (delta: 313.9kB). Peak memory consumption was 313.9kB. Max. memory is 16.1GB. * Witness Printer took 8.77ms. Allocated memory is still 159.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short12 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 [2023-11-19 03:59:36,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/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_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1131b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL --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 d3f5e2f61d9aede081f1a1ed7366ef26236506b858e1509a8a1bfedbe9950eac --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:59:39,595 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:59:39,723 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:59:39,768 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:59:39,769 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:59:39,770 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:59:39,771 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:59:39,771 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:59:39,772 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:59:39,777 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:59:39,778 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:59:39,778 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:59:39,779 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:59:39,781 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:59:39,781 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:59:39,781 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:59:39,782 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:59:39,782 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:59:39,783 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:59:39,783 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:59:39,783 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:59:39,784 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:59:39,784 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:59:39,785 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:59:39,785 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:59:39,786 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:59:39,786 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:59:39,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:59:39,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:39,788 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:59:39,789 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:59:39,789 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:59:39,789 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:59:39,790 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:59:39,790 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:59:39,790 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:59:39,791 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:59:39,791 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_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3f5e2f61d9aede081f1a1ed7366ef26236506b858e1509a8a1bfedbe9950eac [2023-11-19 03:59:40,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:59:40,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:59:40,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:59:40,284 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:59:40,285 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:59:40,287 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/double_req_bl_1131b.c [2023-11-19 03:59:43,430 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:59:43,721 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:59:43,721 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/sv-benchmarks/c/float-newlib/double_req_bl_1131b.c [2023-11-19 03:59:43,730 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/data/1c65fd474/eb38b50d5c3f4634b375fe063285adf8/FLAG4fb919220 [2023-11-19 03:59:43,745 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/data/1c65fd474/eb38b50d5c3f4634b375fe063285adf8 [2023-11-19 03:59:43,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:59:43,750 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:59:43,751 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:43,752 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:59:43,757 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:59:43,758 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:43" (1/1) ... [2023-11-19 03:59:43,759 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39df12b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:43, skipping insertion in model container [2023-11-19 03:59:43,759 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:43" (1/1) ... [2023-11-19 03:59:43,789 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:59:43,998 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_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/sv-benchmarks/c/float-newlib/double_req_bl_1131b.c[4119,4132] [2023-11-19 03:59:44,007 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:44,038 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:59:44,132 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_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/sv-benchmarks/c/float-newlib/double_req_bl_1131b.c[4119,4132] [2023-11-19 03:59:44,135 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:44,162 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:59:44,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:44 WrapperNode [2023-11-19 03:59:44,163 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:44,164 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:44,165 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:59:44,165 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:59:44,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:44" (1/1) ... [2023-11-19 03:59:44,200 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:44" (1/1) ... [2023-11-19 03:59:44,254 INFO L138 Inliner]: procedures = 21, calls = 39, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 243 [2023-11-19 03:59:44,256 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:44,257 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:59:44,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:59:44,258 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:59:44,268 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:44" (1/1) ... [2023-11-19 03:59:44,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:44" (1/1) ... [2023-11-19 03:59:44,274 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:44" (1/1) ... [2023-11-19 03:59:44,274 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:44" (1/1) ... [2023-11-19 03:59:44,288 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:44" (1/1) ... [2023-11-19 03:59:44,294 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:44" (1/1) ... [2023-11-19 03:59:44,297 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:44" (1/1) ... [2023-11-19 03:59:44,300 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:44" (1/1) ... [2023-11-19 03:59:44,304 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:59:44,305 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:59:44,306 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:59:44,306 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:59:44,307 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:44" (1/1) ... [2023-11-19 03:59:44,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:44,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:59:44,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:59:44,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:59:44,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:59:44,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-19 03:59:44,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-19 03:59:44,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:59:44,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:59:44,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-19 03:59:44,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:59:44,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:59:44,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:59:44,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:59:44,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:59:44,591 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:59:44,594 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:59:59,021 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:59:59,127 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:59:59,128 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-19 03:59:59,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:59 BoogieIcfgContainer [2023-11-19 03:59:59,140 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:59:59,141 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:59:59,142 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:59:59,153 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:59:59,154 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:59" (1/1) ... [2023-11-19 03:59:59,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:59:59,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:59,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2023-11-19 03:59:59,243 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2023-11-19 03:59:59,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:59:59,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:59,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:59:59,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:59:59,252 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:59:59,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:59:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:59,542 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:59:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:59,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:59:59,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:59,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:59,608 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:59:59,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:59:59,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:59,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 44 states and 67 transitions. [2023-11-19 03:59:59,684 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2023-11-19 03:59:59,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:59:59,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:59,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:59:59,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:59:59,687 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:59:59,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 04:00:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:00,974 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:00:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:01,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 04:00:01,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:02,118 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 [2023-11-19 04:00:04,284 INFO L349 Elim1Store]: treesize reduction 33, result has 36.5 percent of original size [2023-11-19 04:00:04,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 45 [2023-11-19 04:00:06,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2023-11-19 04:00:16,869 WARN L293 SmtUtils]: Spent 10.10s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-19 04:00:18,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:18,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d13fbb42-f6ee-43c3-ab93-59bbe3e00444/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 04:00:32,877 WARN L293 SmtUtils]: Spent 10.11s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)