./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1210.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_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/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_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1210.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/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_08d27a6f-aa95-4330-a8f6-436ba329f984/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 72a09b82a82aabea0c4a084a3d99a9a83ff3f66f3965fc10414482ebb802703c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:16:44,201 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:16:44,322 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:16:44,329 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:16:44,330 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:16:44,370 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:16:44,371 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:16:44,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:16:44,373 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:16:44,379 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:16:44,380 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:16:44,381 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:16:44,381 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:16:44,383 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:16:44,384 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:16:44,384 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:16:44,385 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:16:44,385 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:16:44,386 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:16:44,386 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:16:44,387 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:16:44,388 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:16:44,388 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:16:44,389 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:16:44,389 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:16:44,390 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:16:44,390 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:44,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:16:44,392 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:16:44,392 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:16:44,394 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:16:44,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:16:44,394 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:16:44,395 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_08d27a6f-aa95-4330-a8f6-436ba329f984/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72a09b82a82aabea0c4a084a3d99a9a83ff3f66f3965fc10414482ebb802703c [2023-11-24 22:16:44,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:16:44,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:16:44,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:16:44,750 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:16:44,751 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:16:44,752 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/float_req_bl_1210.c [2023-11-24 22:16:47,913 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:16:48,218 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:16:48,219 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/sv-benchmarks/c/float-newlib/float_req_bl_1210.c [2023-11-24 22:16:48,228 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/data/76004f0b9/96288351d3624a3498d6de8931ad98c5/FLAG0a44661af [2023-11-24 22:16:48,247 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/data/76004f0b9/96288351d3624a3498d6de8931ad98c5 [2023-11-24 22:16:48,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:16:48,253 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:16:48,254 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:48,255 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:16:48,263 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:16:48,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:48" (1/1) ... [2023-11-24 22:16:48,266 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@117811ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:48, skipping insertion in model container [2023-11-24 22:16:48,267 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:48" (1/1) ... [2023-11-24 22:16:48,298 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:16:48,493 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_08d27a6f-aa95-4330-a8f6-436ba329f984/sv-benchmarks/c/float-newlib/float_req_bl_1210.c[2159,2172] [2023-11-24 22:16:48,497 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:48,511 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:16:48,538 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_08d27a6f-aa95-4330-a8f6-436ba329f984/sv-benchmarks/c/float-newlib/float_req_bl_1210.c[2159,2172] [2023-11-24 22:16:48,539 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:48,556 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:16:48,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:48 WrapperNode [2023-11-24 22:16:48,556 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:48,558 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:48,558 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:16:48,558 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:16:48,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:48" (1/1) ... [2023-11-24 22:16:48,576 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:48" (1/1) ... [2023-11-24 22:16:48,604 INFO L138 Inliner]: procedures = 16, calls = 48, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 172 [2023-11-24 22:16:48,604 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:48,605 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:16:48,605 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:16:48,605 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:16:48,621 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:48" (1/1) ... [2023-11-24 22:16:48,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:48" (1/1) ... [2023-11-24 22:16:48,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:48" (1/1) ... [2023-11-24 22:16:48,626 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:48" (1/1) ... [2023-11-24 22:16:48,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:48" (1/1) ... [2023-11-24 22:16:48,645 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:48" (1/1) ... [2023-11-24 22:16:48,647 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:48" (1/1) ... [2023-11-24 22:16:48,649 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:48" (1/1) ... [2023-11-24 22:16:48,652 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:16:48,654 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:16:48,654 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:16:48,654 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:16:48,669 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:48" (1/1) ... [2023-11-24 22:16:48,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:48,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:16:48,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:16:48,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:16:48,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:16:48,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:16:48,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:16:48,741 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2023-11-24 22:16:48,742 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2023-11-24 22:16:48,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-24 22:16:48,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:16:48,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-24 22:16:48,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:16:48,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:16:48,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:16:48,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:16:48,839 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:16:48,842 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:16:49,149 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:16:49,334 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:16:49,334 INFO L309 CfgBuilder]: Removed 14 assume(true) statements. [2023-11-24 22:16:49,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:49 BoogieIcfgContainer [2023-11-24 22:16:49,338 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:16:49,339 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:16:49,339 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:16:49,349 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:16:49,349 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:49" (1/1) ... [2023-11-24 22:16:49,359 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:16:49,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:49,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2023-11-24 22:16:49,425 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2023-11-24 22:16:49,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:16:49,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:49,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:49,607 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 22:16:49,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:49,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 36 states and 48 transitions. [2023-11-24 22:16:49,636 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions. [2023-11-24 22:16:49,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:16:49,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:49,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:49,699 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 22:16:49,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:49,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2023-11-24 22:16:49,729 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2023-11-24 22:16:49,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:16:49,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:49,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:49,854 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 22:16:49,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:49,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 36 states and 44 transitions. [2023-11-24 22:16:49,893 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2023-11-24 22:16:49,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:16:49,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:49,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:50,055 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 22:16:50,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:50,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 37 states and 45 transitions. [2023-11-24 22:16:50,117 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2023-11-24 22:16:50,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:16:50,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:50,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:16:50,211 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:16:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:16:50,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:16:50,355 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:16:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:16:50,428 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2023-11-24 22:16:50,477 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated [2023-11-24 22:16:50,478 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated [2023-11-24 22:16:50,478 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret17 could not be translated [2023-11-24 22:16:50,478 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated [2023-11-24 22:16:50,478 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated [2023-11-24 22:16:50,479 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret17 could not be translated [2023-11-24 22:16:50,479 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret18 could not be translated [2023-11-24 22:16:50,479 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated [2023-11-24 22:16:50,480 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated [2023-11-24 22:16:50,480 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret17 could not be translated [2023-11-24 22:16:50,480 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated [2023-11-24 22:16:50,480 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret17 could not be translated [2023-11-24 22:16:50,481 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated [2023-11-24 22:16:50,481 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret18 could not be translated [2023-11-24 22:16:50,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:16:50 ImpRootNode [2023-11-24 22:16:50,487 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:16:50,488 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:16:50,488 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:16:50,488 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:16:50,488 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:49" (3/4) ... [2023-11-24 22:16:50,491 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:16:50,492 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:16:50,493 INFO L158 Benchmark]: Toolchain (without parser) took 2240.08ms. Allocated memory is still 174.1MB. Free memory was 140.1MB in the beginning and 125.1MB in the end (delta: 15.0MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2023-11-24 22:16:50,493 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 138.4MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:16:50,494 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.49ms. Allocated memory is still 174.1MB. Free memory was 140.1MB in the beginning and 128.7MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:16:50,495 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.75ms. Allocated memory is still 174.1MB. Free memory was 128.7MB in the beginning and 126.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:16:50,495 INFO L158 Benchmark]: Boogie Preprocessor took 47.71ms. Allocated memory is still 174.1MB. Free memory was 126.6MB in the beginning and 124.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:16:50,496 INFO L158 Benchmark]: RCFGBuilder took 685.04ms. Allocated memory is still 174.1MB. Free memory was 124.5MB in the beginning and 102.2MB in the end (delta: 22.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 22:16:50,497 INFO L158 Benchmark]: CodeCheck took 1147.63ms. Allocated memory is still 174.1MB. Free memory was 102.2MB in the beginning and 126.1MB in the end (delta: -24.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:16:50,497 INFO L158 Benchmark]: Witness Printer took 4.44ms. Allocated memory is still 174.1MB. Free memory was 126.1MB in the beginning and 125.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:16:50,501 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 253 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 115 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 115 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 424 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 2 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, 0.3s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 61 ConstructedInterpolants, 0 QuantifiedInterpolants, 62 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 88]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 75, overapproximation of someBinaryArithmeticFLOAToperation at line 82. Possible FailurePath: [L13] static const float one_modf = 1.0; [L82] float x = 0.0f / 0.0f; [L83] float iptr; [L84] CALL, EXPR modf_float(x, &iptr) [L16] __int32_t i0, j0; [L17] __uint32_t i; VAL [\old(x)=2, iptr={28873:0}, iptr={28873:0}, one_modf=1, x=2] [L19] ieee_float_shape_type gf_u; [L20] EXPR gf_u.value = (x) [L21] EXPR gf_u.word [L21] EXPR (i0) = gf_u.word [L18-L22] { ieee_float_shape_type gf_u; gf_u.value = (x); (i0) = gf_u.word; } VAL [\old(x)=2, i0=0, iptr={28873:0}, iptr={28873:0}, one_modf=1, x=2] [L23] j0 = ((i0 >> 23) & 0xff) - 0x7f VAL [\old(x)=2, i0=0, iptr={28873:0}, iptr={28873:0}, j0=-127, one_modf=1, x=2] [L24] COND TRUE j0 < 23 VAL [\old(x)=2, i0=0, iptr={28873:0}, iptr={28873:0}, j0=-127, one_modf=1, x=2] [L25] COND TRUE j0 < 0 VAL [\old(x)=2, i0=0, iptr={28873:0}, iptr={28873:0}, j0=-127, one_modf=1, x=2] [L27] ieee_float_shape_type sf_u; [L28] EXPR sf_u.word = (i0 & 0x80000000) [L29] EXPR sf_u.value [L29] EXPR (*iptr) = sf_u.value [L26-L30] { ieee_float_shape_type sf_u; sf_u.word = (i0 & 0x80000000); (*iptr) = sf_u.value; } VAL [\old(x)=2, i0=0, iptr={28873:0}, iptr={28873:0}, j0=-127, one_modf=1, x=2] [L31] return x; VAL [\old(x)=2, \result=2, i0=0, iptr={28873:0}, iptr={28873:0}, j0=-127, one_modf=1, x=2] [L84] RET, EXPR modf_float(x, &iptr) [L84] float res = modf_float(x, &iptr); [L87] EXPR \read(iptr) VAL [iptr={28873:0}, one_modf=1, res=2, x=2] [L87] CALL, EXPR isnan_float(iptr) VAL [\old(x)=4, one_modf=1] [L75] return x != x; [L87] RET, EXPR isnan_float(iptr) VAL [iptr={28873:0}, one_modf=1, res=2, x=2] [L87] isnan_float(iptr) && !isnan_float(res) VAL [iptr={28873:0}, one_modf=1, res=2, x=2] [L87] CALL, EXPR isnan_float(res) VAL [\old(x)=2, one_modf=1] [L75] return x != x; [L87] RET, EXPR isnan_float(res) VAL [iptr={28873:0}, one_modf=1, res=2, x=2] [L87] isnan_float(iptr) && !isnan_float(res) VAL [iptr={28873:0}, one_modf=1, res=2, x=2] [L87] COND TRUE isnan_float(iptr) && !isnan_float(res) [L88] reach_error() VAL [iptr={28873:0}, one_modf=1, res=2, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 138.4MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.49ms. Allocated memory is still 174.1MB. Free memory was 140.1MB in the beginning and 128.7MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.75ms. Allocated memory is still 174.1MB. Free memory was 128.7MB in the beginning and 126.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.71ms. Allocated memory is still 174.1MB. Free memory was 126.6MB in the beginning and 124.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 685.04ms. Allocated memory is still 174.1MB. Free memory was 124.5MB in the beginning and 102.2MB in the end (delta: 22.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 1147.63ms. Allocated memory is still 174.1MB. Free memory was 102.2MB in the beginning and 126.1MB in the end (delta: -24.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.44ms. Allocated memory is still 174.1MB. Free memory was 126.1MB in the beginning and 125.1MB in the end (delta: 1.0MB). 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~mem16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret18 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 22:16:50,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/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_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/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_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1210.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/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_08d27a6f-aa95-4330-a8f6-436ba329f984/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 72a09b82a82aabea0c4a084a3d99a9a83ff3f66f3965fc10414482ebb802703c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:16:53,288 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:16:53,415 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:16:53,468 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:16:53,470 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:16:53,471 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:16:53,472 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:16:53,472 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:16:53,474 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:16:53,479 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:16:53,479 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:16:53,480 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:16:53,480 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:16:53,482 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:16:53,482 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:16:53,483 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:16:53,483 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:16:53,484 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:16:53,484 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:16:53,485 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:16:53,486 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:16:53,486 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:16:53,487 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:16:53,487 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:16:53,487 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:16:53,488 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:16:53,488 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:16:53,489 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:16:53,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:53,490 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:16:53,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:16:53,491 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:16:53,492 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:16:53,492 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:16:53,492 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:16:53,493 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:16:53,493 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:16:53,493 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_08d27a6f-aa95-4330-a8f6-436ba329f984/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72a09b82a82aabea0c4a084a3d99a9a83ff3f66f3965fc10414482ebb802703c [2023-11-24 22:16:53,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:16:53,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:16:53,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:16:53,922 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:16:53,922 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:16:53,924 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/float_req_bl_1210.c [2023-11-24 22:16:57,002 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:16:57,230 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:16:57,231 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/sv-benchmarks/c/float-newlib/float_req_bl_1210.c [2023-11-24 22:16:57,239 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/data/7148c38f4/ee15eb0dfa364e96a4a3ce2312f9a60c/FLAG86cc6fac1 [2023-11-24 22:16:57,256 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/data/7148c38f4/ee15eb0dfa364e96a4a3ce2312f9a60c [2023-11-24 22:16:57,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:16:57,264 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:16:57,269 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:57,269 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:16:57,275 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:16:57,275 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:57" (1/1) ... [2023-11-24 22:16:57,277 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2910b8d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:57, skipping insertion in model container [2023-11-24 22:16:57,277 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:57" (1/1) ... [2023-11-24 22:16:57,307 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:16:57,522 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_08d27a6f-aa95-4330-a8f6-436ba329f984/sv-benchmarks/c/float-newlib/float_req_bl_1210.c[2159,2172] [2023-11-24 22:16:57,526 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:57,547 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:16:57,605 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_08d27a6f-aa95-4330-a8f6-436ba329f984/sv-benchmarks/c/float-newlib/float_req_bl_1210.c[2159,2172] [2023-11-24 22:16:57,606 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:57,642 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:16:57,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:57 WrapperNode [2023-11-24 22:16:57,643 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:57,644 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:57,644 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:16:57,644 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:16:57,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:57" (1/1) ... [2023-11-24 22:16:57,679 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:57" (1/1) ... [2023-11-24 22:16:57,722 INFO L138 Inliner]: procedures = 19, calls = 48, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 152 [2023-11-24 22:16:57,725 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:57,726 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:16:57,726 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:16:57,727 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:16:57,737 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:57" (1/1) ... [2023-11-24 22:16:57,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:57" (1/1) ... [2023-11-24 22:16:57,759 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:57" (1/1) ... [2023-11-24 22:16:57,759 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:57" (1/1) ... [2023-11-24 22:16:57,768 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:57" (1/1) ... [2023-11-24 22:16:57,780 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:57" (1/1) ... [2023-11-24 22:16:57,783 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:57" (1/1) ... [2023-11-24 22:16:57,785 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:57" (1/1) ... [2023-11-24 22:16:57,797 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:16:57,801 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:16:57,801 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:16:57,803 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:16:57,804 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:57" (1/1) ... [2023-11-24 22:16:57,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:57,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:16:57,843 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:16:57,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:16:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:16:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:16:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:16:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-24 22:16:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2023-11-24 22:16:57,889 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2023-11-24 22:16:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:16:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:16:57,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:16:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-24 22:16:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:16:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:16:57,991 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:16:57,994 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:16:58,418 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:16:58,449 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:16:58,450 INFO L309 CfgBuilder]: Removed 14 assume(true) statements. [2023-11-24 22:16:58,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:58 BoogieIcfgContainer [2023-11-24 22:16:58,452 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:16:58,452 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:16:58,453 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:16:58,464 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:16:58,465 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:58" (1/1) ... [2023-11-24 22:16:58,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:16:58,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:58,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2023-11-24 22:16:58,572 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2023-11-24 22:16:58,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:16:58,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:58,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:16:58,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:16:58,585 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:16:58,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:16:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:58,803 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:16:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:58,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:16:58,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:58,883 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 22:16:58,885 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:16:58,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:16:58,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:58,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 36 states and 48 transitions. [2023-11-24 22:16:58,936 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions. [2023-11-24 22:16:58,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:16:58,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:58,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:16:58,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:16:58,940 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:16:58,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 22:16:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:59,138 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:16:59,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:59,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:16:59,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:59,191 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 22:16:59,193 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:16:59,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-24 22:16:59,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:59,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2023-11-24 22:16:59,209 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2023-11-24 22:16:59,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:16:59,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:59,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:16:59,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:16:59,216 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:16:59,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 22:16:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:59,383 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:16:59,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:59,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:16:59,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:59,422 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 22:16:59,425 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:16:59,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-24 22:16:59,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:59,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 36 states and 44 transitions. [2023-11-24 22:16:59,444 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2023-11-24 22:16:59,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:16:59,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:59,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:16:59,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:16:59,457 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:16:59,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-24 22:16:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:59,633 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:16:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:59,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:16:59,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:59,703 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 22:16:59,705 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:16:59,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-24 22:16:59,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:59,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 37 states and 45 transitions. [2023-11-24 22:16:59,755 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2023-11-24 22:16:59,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:16:59,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:59,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:16:59,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:16:59,758 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:16:59,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-24 22:17:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:00,063 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:17:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:00,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 22:17:00,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:00,265 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:17:00,267 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2023-11-24 22:17:00,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:17:00,462 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:17:00,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-24 22:17:01,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:01,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 24 states and 25 transitions. [2023-11-24 22:17:01,816 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2023-11-24 22:17:01,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:17:01,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:01,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:17:01,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:17:01,825 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:17:01,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08d27a6f-aa95-4330-a8f6-436ba329f984/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-24 22:17:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:17:02,442 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:17:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat