./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi --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 24b3922e2a9fa0940bc8d5e86bcca27d213def602624d293b414752eb2484499 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:13:00,674 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:13:00,779 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:13:00,785 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:13:00,785 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:13:00,807 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:13:00,808 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:13:00,809 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:13:00,810 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:13:00,811 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:13:00,811 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:13:00,812 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:13:00,813 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:13:00,814 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:13:00,814 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:13:00,815 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:13:00,816 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:13:00,816 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:13:00,817 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:13:00,818 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:13:00,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:13:00,819 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:13:00,820 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:13:00,820 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:13:00,821 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:13:00,821 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:13:00,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:00,823 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:13:00,823 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:13:00,824 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:13:00,824 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:13:00,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:13:00,825 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:13:00,825 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_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24b3922e2a9fa0940bc8d5e86bcca27d213def602624d293b414752eb2484499 [2023-11-24 23:13:01,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:13:01,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:13:01,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:13:01,149 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:13:01,150 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:13:01,151 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2023-11-24 23:13:04,148 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:13:04,393 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:13:04,394 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2023-11-24 23:13:04,403 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/data/c0642579e/001f5f273be34b5b8eebbda29f46f6ae/FLAGee2715480 [2023-11-24 23:13:04,417 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/data/c0642579e/001f5f273be34b5b8eebbda29f46f6ae [2023-11-24 23:13:04,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:13:04,422 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:13:04,423 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:04,423 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:13:04,429 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:13:04,430 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:04" (1/1) ... [2023-11-24 23:13:04,431 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fcb882f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:04, skipping insertion in model container [2023-11-24 23:13:04,432 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:04" (1/1) ... [2023-11-24 23:13:04,464 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:13:04,696 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_a14865be-994c-4b09-bb59-c595ee9e7d58/sv-benchmarks/c/float-newlib/double_req_bl_1122a.c[3905,3918] [2023-11-24 23:13:04,701 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:04,711 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:13:04,763 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_a14865be-994c-4b09-bb59-c595ee9e7d58/sv-benchmarks/c/float-newlib/double_req_bl_1122a.c[3905,3918] [2023-11-24 23:13:04,764 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:04,781 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:13:04,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:04 WrapperNode [2023-11-24 23:13:04,782 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:04,783 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:04,784 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:13:04,784 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:13:04,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:04" (1/1) ... [2023-11-24 23:13:04,805 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:04" (1/1) ... [2023-11-24 23:13:04,854 INFO L138 Inliner]: procedures = 18, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 430 [2023-11-24 23:13:04,854 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:04,855 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:13:04,855 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:13:04,855 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:13:04,868 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:04" (1/1) ... [2023-11-24 23:13:04,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:04" (1/1) ... [2023-11-24 23:13:04,879 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:04" (1/1) ... [2023-11-24 23:13:04,879 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:04" (1/1) ... [2023-11-24 23:13:04,911 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:04" (1/1) ... [2023-11-24 23:13:04,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:04" (1/1) ... [2023-11-24 23:13:04,938 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:04" (1/1) ... [2023-11-24 23:13:04,942 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:04" (1/1) ... [2023-11-24 23:13:04,959 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:13:04,960 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:13:04,960 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:13:04,960 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:13:04,961 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:04" (1/1) ... [2023-11-24 23:13:04,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:04,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:13:04,996 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:13:05,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:13:05,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:13:05,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:13:05,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:13:05,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:13:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-24 23:13:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-24 23:13:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:13:05,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:13:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:13:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-24 23:13:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:13:05,211 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:13:05,213 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:13:05,897 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:13:06,486 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:13:06,486 INFO L309 CfgBuilder]: Removed 14 assume(true) statements. [2023-11-24 23:13:06,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:06 BoogieIcfgContainer [2023-11-24 23:13:06,488 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:13:06,490 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:13:06,490 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:13:06,502 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:13:06,502 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:06" (1/1) ... [2023-11-24 23:13:06,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:13:06,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:06,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 66 transitions. [2023-11-24 23:13:06,592 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2023-11-24 23:13:06,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:13:06,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:06,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:06,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:07,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:07,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 61 transitions. [2023-11-24 23:13:07,243 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2023-11-24 23:13:07,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:13:07,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:07,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:07,446 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:13:07,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:07,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:07,939 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:13:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:08,036 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-24 23:13:08,064 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated [2023-11-24 23:13:08,065 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short12 could not be translated [2023-11-24 23:13:08,066 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated [2023-11-24 23:13:08,066 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-24 23:13:08,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:13:08 ImpRootNode [2023-11-24 23:13:08,075 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:13:08,076 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:13:08,076 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:13:08,076 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:13:08,077 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:06" (3/4) ... [2023-11-24 23:13:08,080 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:13:08,081 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:13:08,083 INFO L158 Benchmark]: Toolchain (without parser) took 3660.40ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 140.1MB in the beginning and 143.6MB in the end (delta: -3.5MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2023-11-24 23:13:08,083 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:13:08,085 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.39ms. Allocated memory is still 172.0MB. Free memory was 140.1MB in the beginning and 125.5MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:13:08,086 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.01ms. Allocated memory is still 172.0MB. Free memory was 125.5MB in the beginning and 122.1MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:13:08,087 INFO L158 Benchmark]: Boogie Preprocessor took 103.89ms. Allocated memory is still 172.0MB. Free memory was 122.1MB in the beginning and 119.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:13:08,088 INFO L158 Benchmark]: RCFGBuilder took 1528.85ms. Allocated memory is still 172.0MB. Free memory was 119.2MB in the beginning and 93.3MB in the end (delta: 26.0MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-24 23:13:08,094 INFO L158 Benchmark]: CodeCheck took 1585.76ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 93.3MB in the beginning and 145.6MB in the end (delta: -52.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:13:08,095 INFO L158 Benchmark]: Witness Printer took 5.41ms. Allocated memory is still 207.6MB. Free memory was 145.6MB in the beginning and 143.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:13:08,102 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, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.4s 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, 14 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 61 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, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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: 178]: 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 42, overapproximation of someUnaryDOUBLEoperation at line 22, overapproximation of someBinaryArithmeticDOUBLEoperation at line 47, overapproximation of someBinaryDOUBLEComparisonOperation at line 18. Possible FailurePath: [L20-L23] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L172] double x = 1.0 / 0.0; [L173] double y = __VERIFIER_nondet_double(); [L174] CALL, EXPR fmod_double(x, y) [L26] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L27] __uint32_t lx, ly, lz; VAL [Zero_fmod={4:0}, \old(x)=6, \old(y)=3, one_fmod=1, x=6, y=3] [L30] ieee_double_shape_type ew_u; [L31] EXPR ew_u.value = (x) [L32] EXPR ew_u.parts.msw [L32] EXPR (hx) = ew_u.parts.msw [L33] EXPR ew_u.parts.lsw [L33] EXPR (lx) = ew_u.parts.lsw [L29-L34] { 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)=6, \old(y)=3, hx=-1, lx=13, one_fmod=1, x=6, y=3] [L36] ieee_double_shape_type ew_u; [L37] EXPR ew_u.value = (y) [L38] EXPR ew_u.parts.msw [L38] EXPR (hy) = ew_u.parts.msw [L39] EXPR ew_u.parts.lsw [L39] EXPR (ly) = ew_u.parts.lsw [L35-L40] { 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)=6, \old(y)=3, hx=-1, hy=0, lx=13, ly=0, one_fmod=1, x=6, y=3] [L41] sx = hx & 0x80000000 [L42] hx ^= sx [L43] hy &= 0x7fffffff [L45] EXPR hy | ly [L45-L46] (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) VAL [Zero_fmod={4:0}, \old(x)=6, \old(y)=3, hx=1, hy=0, lx=13, ly=0, one_fmod=1, sx=-2147483648, x=6, y=3] [L45-L46] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L47] return (x * y) / (x * y); VAL [Zero_fmod={4:0}, \old(x)=6, \old(y)=3, hx=1, hy=0, lx=13, ly=0, one_fmod=1, sx=-2147483648, x=6, y=3] [L174] RET, EXPR fmod_double(x, y) [L174] double res = fmod_double(x, y); [L177] CALL, EXPR isnan_double(res) [L18] return x != x; [L177] RET, EXPR isnan_double(res) [L177] COND TRUE !isnan_double(res) [L178] reach_error() VAL [Zero_fmod={4:0}, one_fmod=1, res=10, x=6, y=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.39ms. Allocated memory is still 172.0MB. Free memory was 140.1MB in the beginning and 125.5MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.01ms. Allocated memory is still 172.0MB. Free memory was 125.5MB in the beginning and 122.1MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 103.89ms. Allocated memory is still 172.0MB. Free memory was 122.1MB in the beginning and 119.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1528.85ms. Allocated memory is still 172.0MB. Free memory was 119.2MB in the beginning and 93.3MB in the end (delta: 26.0MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * CodeCheck took 1585.76ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 93.3MB in the beginning and 145.6MB in the end (delta: -52.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.41ms. Allocated memory is still 207.6MB. Free memory was 145.6MB in the beginning and 143.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 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 [2023-11-24 23:13:08,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi --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 24b3922e2a9fa0940bc8d5e86bcca27d213def602624d293b414752eb2484499 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:13:10,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:13:10,968 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:13:11,039 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:13:11,041 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:13:11,042 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:13:11,043 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:13:11,043 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:13:11,044 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:13:11,050 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:13:11,050 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:13:11,051 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:13:11,051 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:13:11,053 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:13:11,053 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:13:11,054 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:13:11,054 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:13:11,055 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:13:11,055 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:13:11,056 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:13:11,057 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:13:11,057 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:13:11,058 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:13:11,058 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:13:11,058 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:13:11,059 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:13:11,059 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:13:11,060 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:13:11,060 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:11,061 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:13:11,062 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:13:11,062 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:13:11,063 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:13:11,063 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:13:11,063 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:13:11,064 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:13:11,064 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:13:11,064 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_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24b3922e2a9fa0940bc8d5e86bcca27d213def602624d293b414752eb2484499 [2023-11-24 23:13:11,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:13:11,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:13:11,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:13:11,556 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:13:11,557 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:13:11,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2023-11-24 23:13:14,609 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:13:14,956 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:13:14,962 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2023-11-24 23:13:14,976 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/data/0ea364221/45747395be054361a2f179461f7c0d9f/FLAG5fedb6956 [2023-11-24 23:13:14,995 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/data/0ea364221/45747395be054361a2f179461f7c0d9f [2023-11-24 23:13:15,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:13:15,003 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:13:15,008 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:15,008 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:13:15,013 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:13:15,014 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:14" (1/1) ... [2023-11-24 23:13:15,015 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f7091d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:15, skipping insertion in model container [2023-11-24 23:13:15,015 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:14" (1/1) ... [2023-11-24 23:13:15,055 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:13:15,283 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_a14865be-994c-4b09-bb59-c595ee9e7d58/sv-benchmarks/c/float-newlib/double_req_bl_1122a.c[3905,3918] [2023-11-24 23:13:15,291 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:15,305 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:13:15,352 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_a14865be-994c-4b09-bb59-c595ee9e7d58/sv-benchmarks/c/float-newlib/double_req_bl_1122a.c[3905,3918] [2023-11-24 23:13:15,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:15,375 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:13:15,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:15 WrapperNode [2023-11-24 23:13:15,376 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:15,377 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:15,377 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:13:15,378 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:13:15,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:15" (1/1) ... [2023-11-24 23:13:15,401 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:15" (1/1) ... [2023-11-24 23:13:15,436 INFO L138 Inliner]: procedures = 21, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 228 [2023-11-24 23:13:15,437 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:15,438 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:13:15,438 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:13:15,438 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:13:15,448 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:15" (1/1) ... [2023-11-24 23:13:15,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:15" (1/1) ... [2023-11-24 23:13:15,455 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:15" (1/1) ... [2023-11-24 23:13:15,456 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:15" (1/1) ... [2023-11-24 23:13:15,494 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:15" (1/1) ... [2023-11-24 23:13:15,502 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:15" (1/1) ... [2023-11-24 23:13:15,505 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:15" (1/1) ... [2023-11-24 23:13:15,516 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:15" (1/1) ... [2023-11-24 23:13:15,522 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:13:15,535 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:13:15,535 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:13:15,535 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:13:15,536 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:15" (1/1) ... [2023-11-24 23:13:15,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:15,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:13:15,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:13:15,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:13:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:13:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-24 23:13:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-24 23:13:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:13:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:13:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-24 23:13:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:13:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:13:15,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:13:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:13:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:13:15,774 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:13:15,776 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:13:31,895 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:13:32,067 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:13:32,069 INFO L309 CfgBuilder]: Removed 14 assume(true) statements. [2023-11-24 23:13:32,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:32 BoogieIcfgContainer [2023-11-24 23:13:32,071 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:13:32,073 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:13:32,074 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:13:32,085 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:13:32,085 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:32" (1/1) ... [2023-11-24 23:13:32,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:13:32,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:32,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 66 transitions. [2023-11-24 23:13:32,178 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2023-11-24 23:13:32,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:13:32,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:32,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:13:32,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:13:32,183 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:13:32,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:13:32,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:32,394 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:13:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:32,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:13:32,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:32,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:32,467 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:13:32,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-24 23:13:32,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:32,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 61 transitions. [2023-11-24 23:13:32,540 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2023-11-24 23:13:32,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:13:32,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:32,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:13:32,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:13:32,545 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:13:32,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 23:13:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:33,702 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:13:37,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:37,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:13:37,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:56,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:56,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a14865be-994c-4b09-bb59-c595ee9e7d58/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-24 23:14:05,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []