./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1091.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1091.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7ead6fe7830da205228466fa2d47f2a018c45d096ed1f821ce96b27193830e65 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:00:53,952 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:00:54,040 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 12:00:54,048 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:00:54,049 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:00:54,092 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:00:54,093 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:00:54,094 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:00:54,095 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:00:54,100 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:00:54,101 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:00:54,101 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:00:54,102 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:00:54,104 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:00:54,104 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:00:54,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:00:54,105 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:00:54,105 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:00:54,106 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:00:54,106 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:00:54,107 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:00:54,107 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:00:54,108 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:00:54,108 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:00:54,108 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:00:54,109 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:00:54,109 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:00:54,110 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:00:54,111 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:00:54,111 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:00:54,112 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:00:54,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:00:54,113 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:00:54,113 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:00:54,113 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:00:54,114 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:00:54,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 12:00:54,114 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:00:54,115 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:00:54,115 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:00:54,115 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:00:54,116 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:00:54,116 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ead6fe7830da205228466fa2d47f2a018c45d096ed1f821ce96b27193830e65 [2023-11-26 12:00:54,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:00:54,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:00:54,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:00:54,499 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:00:54,500 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:00:54,502 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/float-newlib/double_req_bl_1091.c [2023-11-26 12:00:57,765 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:00:57,968 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:00:57,969 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/sv-benchmarks/c/float-newlib/double_req_bl_1091.c [2023-11-26 12:00:57,977 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/data/1b4ec8f77/ba421288bc0a4fbf9b82a6c1f25d3303/FLAG5053b9575 [2023-11-26 12:00:57,993 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/data/1b4ec8f77/ba421288bc0a4fbf9b82a6c1f25d3303 [2023-11-26 12:00:57,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:00:57,997 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:00:57,998 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:00:57,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:00:58,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:00:58,009 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:57" (1/1) ... [2023-11-26 12:00:58,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ba4e28d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:58, skipping insertion in model container [2023-11-26 12:00:58,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:57" (1/1) ... [2023-11-26 12:00:58,042 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:00:58,234 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_4e10367d-7771-4d24-b385-54a1e1b29777/sv-benchmarks/c/float-newlib/double_req_bl_1091.c[2108,2121] [2023-11-26 12:00:58,238 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:00:58,247 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:00:58,275 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_4e10367d-7771-4d24-b385-54a1e1b29777/sv-benchmarks/c/float-newlib/double_req_bl_1091.c[2108,2121] [2023-11-26 12:00:58,276 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:00:58,291 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:00:58,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:58 WrapperNode [2023-11-26 12:00:58,292 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:00:58,293 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:00:58,293 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:00:58,293 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:00:58,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:58" (1/1) ... [2023-11-26 12:00:58,309 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:58" (1/1) ... [2023-11-26 12:00:58,337 INFO L138 Inliner]: procedures = 16, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 167 [2023-11-26 12:00:58,337 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:00:58,338 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:00:58,338 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:00:58,338 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:00:58,349 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:58" (1/1) ... [2023-11-26 12:00:58,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:58" (1/1) ... [2023-11-26 12:00:58,353 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:58" (1/1) ... [2023-11-26 12:00:58,369 INFO L175 MemorySlicer]: Split 8 memory accesses to 3 slices as follows [2, 3, 3]. 38 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 3 writes are split as follows [0, 1, 2]. [2023-11-26 12:00:58,369 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:58" (1/1) ... [2023-11-26 12:00:58,370 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:58" (1/1) ... [2023-11-26 12:00:58,381 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:58" (1/1) ... [2023-11-26 12:00:58,387 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:58" (1/1) ... [2023-11-26 12:00:58,389 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:58" (1/1) ... [2023-11-26 12:00:58,391 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:58" (1/1) ... [2023-11-26 12:00:58,395 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:00:58,396 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:00:58,396 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:00:58,397 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:00:58,398 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:58" (1/1) ... [2023-11-26 12:00:58,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:00:58,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:58,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:58,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:00:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:00:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 12:00:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 12:00:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 12:00:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 12:00:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-26 12:00:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-26 12:00:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-11-26 12:00:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 12:00:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 12:00:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 12:00:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-26 12:00:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-26 12:00:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-11-26 12:00:58,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:00:58,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:00:58,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 12:00:58,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 12:00:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 12:00:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 12:00:58,598 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:00:58,601 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:00:59,021 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:00:59,051 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:00:59,051 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-26 12:00:59,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:59 BoogieIcfgContainer [2023-11-26 12:00:59,052 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:00:59,055 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:00:59,055 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:00:59,059 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:00:59,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:00:57" (1/3) ... [2023-11-26 12:00:59,060 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48a7607d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:00:59, skipping insertion in model container [2023-11-26 12:00:59,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:58" (2/3) ... [2023-11-26 12:00:59,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48a7607d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:00:59, skipping insertion in model container [2023-11-26 12:00:59,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:59" (3/3) ... [2023-11-26 12:00:59,062 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1091.c [2023-11-26 12:00:59,083 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:00:59,083 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 12:00:59,135 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:00:59,143 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@9947baa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:00:59,143 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 12:00:59,148 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 49 states have (on average 1.7551020408163265) internal successors, (86), 50 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:00:59,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-26 12:00:59,155 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:59,156 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:00:59,156 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:59,162 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:59,163 INFO L85 PathProgramCache]: Analyzing trace with hash -531103353, now seen corresponding path program 1 times [2023-11-26 12:00:59,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:59,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046015670] [2023-11-26 12:00:59,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:59,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:59,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:59,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:00:59,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:59,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046015670] [2023-11-26 12:00:59,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046015670] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:59,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:59,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:00:59,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059800817] [2023-11-26 12:00:59,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:59,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 12:00:59,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:59,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 12:00:59,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:00:59,369 INFO L87 Difference]: Start difference. First operand has 51 states, 49 states have (on average 1.7551020408163265) internal successors, (86), 50 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:00:59,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:59,401 INFO L93 Difference]: Finished difference Result 101 states and 171 transitions. [2023-11-26 12:00:59,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 12:00:59,404 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-26 12:00:59,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:59,413 INFO L225 Difference]: With dead ends: 101 [2023-11-26 12:00:59,414 INFO L226 Difference]: Without dead ends: 49 [2023-11-26 12:00:59,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:00:59,421 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:59,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:00:59,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-26 12:00:59,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-26 12:00:59,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.6458333333333333) internal successors, (79), 48 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:00:59,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 79 transitions. [2023-11-26 12:00:59,463 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 79 transitions. Word has length 9 [2023-11-26 12:00:59,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:59,464 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 79 transitions. [2023-11-26 12:00:59,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:00:59,465 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 79 transitions. [2023-11-26 12:00:59,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-26 12:00:59,466 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:59,466 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:00:59,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 12:00:59,467 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:59,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:59,468 INFO L85 PathProgramCache]: Analyzing trace with hash -951308078, now seen corresponding path program 1 times [2023-11-26 12:00:59,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:59,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709958054] [2023-11-26 12:00:59,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:59,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:59,528 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:00:59,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:59,607 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:00:59,608 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 12:00:59,611 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 12:00:59,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 12:00:59,617 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-26 12:00:59,623 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 12:00:59,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:00:59 BoogieIcfgContainer [2023-11-26 12:00:59,651 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 12:00:59,652 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 12:00:59,652 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 12:00:59,690 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 12:00:59,691 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:59" (3/4) ... [2023-11-26 12:00:59,694 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 12:00:59,695 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 12:00:59,696 INFO L158 Benchmark]: Toolchain (without parser) took 1698.96ms. Allocated memory is still 155.2MB. Free memory was 116.9MB in the beginning and 125.0MB in the end (delta: -8.1MB). Peak memory consumption was 71.1MB. Max. memory is 16.1GB. [2023-11-26 12:00:59,697 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 100.7MB. Free memory was 66.7MB in the beginning and 66.7MB in the end (delta: 25.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:00:59,697 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.83ms. Allocated memory is still 155.2MB. Free memory was 116.9MB in the beginning and 105.1MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 12:00:59,698 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.54ms. Allocated memory is still 155.2MB. Free memory was 105.1MB in the beginning and 103.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:00:59,699 INFO L158 Benchmark]: Boogie Preprocessor took 57.40ms. Allocated memory is still 155.2MB. Free memory was 103.0MB in the beginning and 100.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 12:00:59,699 INFO L158 Benchmark]: RCFGBuilder took 655.90ms. Allocated memory is still 155.2MB. Free memory was 100.1MB in the beginning and 80.5MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-26 12:00:59,700 INFO L158 Benchmark]: TraceAbstraction took 596.59ms. Allocated memory is still 155.2MB. Free memory was 79.9MB in the beginning and 52.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-26 12:00:59,701 INFO L158 Benchmark]: Witness Printer took 42.91ms. Allocated memory is still 155.2MB. Free memory was 52.7MB in the beginning and 125.0MB in the end (delta: -72.3MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2023-11-26 12:00:59,704 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 100.7MB. Free memory was 66.7MB in the beginning and 66.7MB in the end (delta: 25.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.83ms. Allocated memory is still 155.2MB. Free memory was 116.9MB in the beginning and 105.1MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.54ms. Allocated memory is still 155.2MB. Free memory was 105.1MB in the beginning and 103.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.40ms. Allocated memory is still 155.2MB. Free memory was 103.0MB in the beginning and 100.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 655.90ms. Allocated memory is still 155.2MB. Free memory was 100.1MB in the beginning and 80.5MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 596.59ms. Allocated memory is still 155.2MB. Free memory was 79.9MB in the beginning and 52.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 42.91ms. Allocated memory is still 155.2MB. Free memory was 52.7MB in the beginning and 125.0MB in the end (delta: -72.3MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 97]: 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 someBinaryDOUBLEComparisonOperation at line 17, overapproximation of someBinaryArithmeticDOUBLEoperation at line 55. Possible FailurePath: [L19] static const double huge_ceil = 1.0e300; [L92] double x = 0.0 / 0.0; [L93] CALL, EXPR ceil_double(x) [L22] __int32_t i0, i1, j0; [L23] __uint32_t i, j; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008] [L25] ieee_double_shape_type ew_u; [L26] EXPR ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] EXPR (i0) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] EXPR (i1) = ew_u.parts.lsw [L24-L29] { ieee_double_shape_type ew_u; ew_u.value = (x); (i0) = ew_u.parts.msw; (i1) = ew_u.parts.lsw; } VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=2147483647, i1=0, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008] [L30] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=2147483647, i1=0, j0=1024, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008] [L31] COND FALSE !(j0 < 20) VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=2147483647, i1=0, j0=1024, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008] [L53] COND TRUE j0 > 51 VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=2147483647, i1=0, j0=1024, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008] [L54] COND TRUE j0 == 0x400 [L55] return x + x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=2147483647, i1=0, j0=1024, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008] [L93] RET, EXPR ceil_double(x) [L93] double res = ceil_double(x); [L96] CALL, EXPR isnan_double(res) [L17] return x != x; [L96] RET, EXPR isnan_double(res) [L96] COND TRUE !isnan_double(res) [L97] reach_error() VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 78 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 78 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-26 12:00:59,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1091.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7ead6fe7830da205228466fa2d47f2a018c45d096ed1f821ce96b27193830e65 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:01:02,715 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:01:02,852 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 12:01:02,872 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:01:02,877 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:01:02,930 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:01:02,931 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:01:02,932 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:01:02,933 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:01:02,939 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:01:02,940 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:01:02,940 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:01:02,941 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:01:02,943 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:01:02,944 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:01:02,945 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:01:02,945 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:01:02,946 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:01:02,946 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:01:02,947 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:01:02,947 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:01:02,948 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:01:02,949 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:01:02,949 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 12:01:02,949 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 12:01:02,950 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 12:01:02,950 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:01:02,951 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:01:02,951 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:01:02,952 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:01:02,954 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:01:02,954 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:01:02,954 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:01:02,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:01:02,955 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:01:02,955 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:01:02,957 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:01:02,957 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 12:01:02,957 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 12:01:02,958 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:01:02,958 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:01:02,958 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:01:02,958 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:01:02,959 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:01:02,959 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 12:01:02,959 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ead6fe7830da205228466fa2d47f2a018c45d096ed1f821ce96b27193830e65 [2023-11-26 12:01:03,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:01:03,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:01:03,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:01:03,412 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:01:03,416 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:01:03,419 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/float-newlib/double_req_bl_1091.c [2023-11-26 12:01:06,858 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:01:07,136 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:01:07,137 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/sv-benchmarks/c/float-newlib/double_req_bl_1091.c [2023-11-26 12:01:07,147 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/data/cff0703ed/ba62cc48ef104bc5a7f4632dbb383869/FLAGed22dfed2 [2023-11-26 12:01:07,163 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/data/cff0703ed/ba62cc48ef104bc5a7f4632dbb383869 [2023-11-26 12:01:07,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:01:07,168 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:01:07,169 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:01:07,169 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:01:07,175 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:01:07,176 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:01:07" (1/1) ... [2023-11-26 12:01:07,177 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@661db64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:07, skipping insertion in model container [2023-11-26 12:01:07,177 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:01:07" (1/1) ... [2023-11-26 12:01:07,201 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:01:07,452 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_4e10367d-7771-4d24-b385-54a1e1b29777/sv-benchmarks/c/float-newlib/double_req_bl_1091.c[2108,2121] [2023-11-26 12:01:07,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:01:07,479 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:01:07,538 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_4e10367d-7771-4d24-b385-54a1e1b29777/sv-benchmarks/c/float-newlib/double_req_bl_1091.c[2108,2121] [2023-11-26 12:01:07,538 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:01:07,565 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:01:07,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:07 WrapperNode [2023-11-26 12:01:07,565 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:01:07,567 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:01:07,567 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:01:07,567 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:01:07,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:07" (1/1) ... [2023-11-26 12:01:07,601 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:07" (1/1) ... [2023-11-26 12:01:07,642 INFO L138 Inliner]: procedures = 19, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 101 [2023-11-26 12:01:07,642 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:01:07,644 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:01:07,644 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:01:07,644 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:01:07,657 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:07" (1/1) ... [2023-11-26 12:01:07,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:07" (1/1) ... [2023-11-26 12:01:07,670 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:07" (1/1) ... [2023-11-26 12:01:07,700 INFO L175 MemorySlicer]: Split 8 memory accesses to 3 slices as follows [2, 3, 3]. 38 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 3 writes are split as follows [0, 1, 2]. [2023-11-26 12:01:07,701 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:07" (1/1) ... [2023-11-26 12:01:07,701 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:07" (1/1) ... [2023-11-26 12:01:07,719 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:07" (1/1) ... [2023-11-26 12:01:07,724 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:07" (1/1) ... [2023-11-26 12:01:07,726 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:07" (1/1) ... [2023-11-26 12:01:07,728 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:07" (1/1) ... [2023-11-26 12:01:07,732 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:01:07,733 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:01:07,734 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:01:07,734 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:01:07,735 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:07" (1/1) ... [2023-11-26 12:01:07,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:01:07,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:07,774 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:01:07,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:01:07,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:01:07,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2023-11-26 12:01:07,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2023-11-26 12:01:07,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2023-11-26 12:01:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2023-11-26 12:01:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2023-11-26 12:01:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2023-11-26 12:01:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 12:01:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-26 12:01:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-26 12:01:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 12:01:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-26 12:01:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-26 12:01:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-26 12:01:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:01:07,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:01:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-26 12:01:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-26 12:01:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-26 12:01:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 12:01:07,934 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:01:07,937 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:01:09,520 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:01:09,553 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:01:09,554 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-26 12:01:09,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:01:09 BoogieIcfgContainer [2023-11-26 12:01:09,555 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:01:09,558 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:01:09,559 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:01:09,562 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:01:09,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:01:07" (1/3) ... [2023-11-26 12:01:09,563 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ef18cc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:01:09, skipping insertion in model container [2023-11-26 12:01:09,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:07" (2/3) ... [2023-11-26 12:01:09,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ef18cc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:01:09, skipping insertion in model container [2023-11-26 12:01:09,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:01:09" (3/3) ... [2023-11-26 12:01:09,567 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1091.c [2023-11-26 12:01:09,589 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:01:09,589 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 12:01:09,639 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:01:09,644 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@729ba402, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:01:09,645 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 12:01:09,649 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 29 states have (on average 1.7241379310344827) internal successors, (50), 30 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:09,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-26 12:01:09,656 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:01:09,657 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:01:09,657 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:01:09,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:09,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1074335089, now seen corresponding path program 1 times [2023-11-26 12:01:09,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:01:09,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [98201939] [2023-11-26 12:01:09,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:09,677 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 12:01:09,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:01:09,684 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 12:01:09,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-26 12:01:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:09,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 12:01:09,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:01:09,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:01:09,839 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:01:09,840 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 12:01:09,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [98201939] [2023-11-26 12:01:09,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [98201939] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:01:09,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:01:09,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:01:09,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897771735] [2023-11-26 12:01:09,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:01:09,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 12:01:09,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 12:01:09,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 12:01:09,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:01:09,889 INFO L87 Difference]: Start difference. First operand has 31 states, 29 states have (on average 1.7241379310344827) internal successors, (50), 30 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:09,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:01:09,925 INFO L93 Difference]: Finished difference Result 61 states and 99 transitions. [2023-11-26 12:01:09,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 12:01:09,927 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-26 12:01:09,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:01:09,937 INFO L225 Difference]: With dead ends: 61 [2023-11-26 12:01:09,938 INFO L226 Difference]: Without dead ends: 29 [2023-11-26 12:01:09,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:01:09,945 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:01:09,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:01:09,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2023-11-26 12:01:10,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2023-11-26 12:01:10,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 28 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:10,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 43 transitions. [2023-11-26 12:01:10,008 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 43 transitions. Word has length 9 [2023-11-26 12:01:10,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:01:10,008 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 43 transitions. [2023-11-26 12:01:10,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:10,009 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2023-11-26 12:01:10,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-26 12:01:10,009 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:01:10,010 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:01:10,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-26 12:01:10,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 12:01:10,214 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:01:10,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:10,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1695832790, now seen corresponding path program 1 times [2023-11-26 12:01:10,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:01:10,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2121943957] [2023-11-26 12:01:10,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:10,219 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 12:01:10,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:01:10,221 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 12:01:10,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-26 12:01:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:10,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 12:01:10,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:01:10,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:01:10,596 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:01:10,596 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 12:01:10,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2121943957] [2023-11-26 12:01:10,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2121943957] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:01:10,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:01:10,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:01:10,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384507623] [2023-11-26 12:01:10,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:01:10,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 12:01:10,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 12:01:10,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 12:01:10,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:01:10,601 INFO L87 Difference]: Start difference. First operand 29 states and 43 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:11,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:01:11,723 INFO L93 Difference]: Finished difference Result 38 states and 51 transitions. [2023-11-26 12:01:11,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:01:11,724 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-11-26 12:01:11,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:01:11,724 INFO L225 Difference]: With dead ends: 38 [2023-11-26 12:01:11,724 INFO L226 Difference]: Without dead ends: 19 [2023-11-26 12:01:11,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-26 12:01:11,727 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 14 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:01:11,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 46 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-26 12:01:11,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2023-11-26 12:01:11,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-11-26 12:01:11,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 18 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:11,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2023-11-26 12:01:11,732 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 10 [2023-11-26 12:01:11,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:01:11,733 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2023-11-26 12:01:11,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:11,734 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2023-11-26 12:01:11,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-26 12:01:11,734 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:01:11,735 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:01:11,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-26 12:01:11,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 12:01:11,939 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:01:11,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:11,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1627662100, now seen corresponding path program 1 times [2023-11-26 12:01:11,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:01:11,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1048657107] [2023-11-26 12:01:11,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:11,941 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 12:01:11,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:01:11,943 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 12:01:11,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-26 12:01:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:12,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-26 12:01:12,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:01:12,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:01:12,522 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:01:12,522 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 12:01:12,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1048657107] [2023-11-26 12:01:12,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1048657107] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:01:12,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:01:12,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:01:12,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133528016] [2023-11-26 12:01:12,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:01:12,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 12:01:12,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 12:01:12,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 12:01:12,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:01:12,526 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:12,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:01:12,852 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2023-11-26 12:01:12,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:01:12,856 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-11-26 12:01:12,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:01:12,856 INFO L225 Difference]: With dead ends: 19 [2023-11-26 12:01:12,856 INFO L226 Difference]: Without dead ends: 0 [2023-11-26 12:01:12,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-26 12:01:12,858 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 7 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 12:01:12,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 2 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 12:01:12,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-26 12:01:12,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-26 12:01:12,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:12,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-26 12:01:12,861 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2023-11-26 12:01:12,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:01:12,861 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 12:01:12,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:12,862 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-26 12:01:12,862 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-26 12:01:12,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 12:01:12,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-26 12:01:13,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 12:01:13,076 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-26 12:01:13,092 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 61) no Hoare annotation was computed. [2023-11-26 12:01:13,093 INFO L899 garLoopResultBuilder]: For program point L44(lines 44 45) no Hoare annotation was computed. [2023-11-26 12:01:13,093 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 85 102) no Hoare annotation was computed. [2023-11-26 12:01:13,093 INFO L899 garLoopResultBuilder]: For program point L53(lines 53 75) no Hoare annotation was computed. [2023-11-26 12:01:13,093 INFO L899 garLoopResultBuilder]: For program point L37(lines 37 40) no Hoare annotation was computed. [2023-11-26 12:01:13,093 INFO L899 garLoopResultBuilder]: For program point L62(lines 62 74) no Hoare annotation was computed. [2023-11-26 12:01:13,093 INFO L899 garLoopResultBuilder]: For program point L54(lines 54 57) no Hoare annotation was computed. [2023-11-26 12:01:13,093 INFO L899 garLoopResultBuilder]: For program point L46(lines 46 51) no Hoare annotation was computed. [2023-11-26 12:01:13,094 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-26 12:01:13,094 INFO L899 garLoopResultBuilder]: For program point L96(lines 96 99) no Hoare annotation was computed. [2023-11-26 12:01:13,094 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 72) no Hoare annotation was computed. [2023-11-26 12:01:13,094 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 63 72) no Hoare annotation was computed. [2023-11-26 12:01:13,094 INFO L899 garLoopResultBuilder]: For program point ceil_double_returnLabel#1(lines 21 83) no Hoare annotation was computed. [2023-11-26 12:01:13,094 INFO L899 garLoopResultBuilder]: For program point L47(lines 47 48) no Hoare annotation was computed. [2023-11-26 12:01:13,094 INFO L899 garLoopResultBuilder]: For program point L47-2(lines 47 48) no Hoare annotation was computed. [2023-11-26 12:01:13,095 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2023-11-26 12:01:13,095 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 71) no Hoare annotation was computed. [2023-11-26 12:01:13,095 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 75) no Hoare annotation was computed. [2023-11-26 12:01:13,095 INFO L899 garLoopResultBuilder]: For program point L32(lines 32 52) no Hoare annotation was computed. [2023-11-26 12:01:13,095 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 97) no Hoare annotation was computed. [2023-11-26 12:01:13,096 INFO L899 garLoopResultBuilder]: For program point L24-1(lines 24 29) no Hoare annotation was computed. [2023-11-26 12:01:13,096 INFO L895 garLoopResultBuilder]: At program point L24-2(lines 24 29) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_ceil_double_~x#1| (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)))) [2023-11-26 12:01:13,096 INFO L899 garLoopResultBuilder]: For program point L24-3(lines 24 29) no Hoare annotation was computed. [2023-11-26 12:01:13,096 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 41) no Hoare annotation was computed. [2023-11-26 12:01:13,096 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-26 12:01:13,097 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 40) no Hoare annotation was computed. [2023-11-26 12:01:13,097 INFO L899 garLoopResultBuilder]: For program point L76(lines 76 81) no Hoare annotation was computed. [2023-11-26 12:01:13,097 INFO L895 garLoopResultBuilder]: At program point L76-1(lines 76 81) the Hoare annotation is: false [2023-11-26 12:01:13,097 INFO L899 garLoopResultBuilder]: For program point L76-2(lines 76 81) no Hoare annotation was computed. [2023-11-26 12:01:13,097 INFO L899 garLoopResultBuilder]: For program point L68(lines 68 69) no Hoare annotation was computed. [2023-11-26 12:01:13,097 INFO L899 garLoopResultBuilder]: For program point L68-2(lines 68 69) no Hoare annotation was computed. [2023-11-26 12:01:13,101 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-26 12:01:13,104 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 12:01:13,115 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~64(currentRoundingMode, ~Pluszero~64(), ~Pluszero~64())) could not be translated [2023-11-26 12:01:13,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:01:13 BoogieIcfgContainer [2023-11-26 12:01:13,118 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 12:01:13,119 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 12:01:13,120 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 12:01:13,120 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 12:01:13,120 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:01:09" (3/4) ... [2023-11-26 12:01:13,123 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 12:01:13,134 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-26 12:01:13,134 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-26 12:01:13,135 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 12:01:13,135 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 12:01:13,250 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 12:01:13,251 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 12:01:13,251 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 12:01:13,251 INFO L158 Benchmark]: Toolchain (without parser) took 6084.01ms. Allocated memory is still 86.0MB. Free memory was 62.9MB in the beginning and 50.3MB in the end (delta: 12.6MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2023-11-26 12:01:13,252 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 65.0MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:01:13,252 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.72ms. Allocated memory is still 86.0MB. Free memory was 62.7MB in the beginning and 50.7MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 12:01:13,252 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.88ms. Allocated memory is still 86.0MB. Free memory was 50.5MB in the beginning and 48.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:01:13,253 INFO L158 Benchmark]: Boogie Preprocessor took 88.40ms. Allocated memory is still 86.0MB. Free memory was 48.9MB in the beginning and 46.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 12:01:13,253 INFO L158 Benchmark]: RCFGBuilder took 1822.29ms. Allocated memory is still 86.0MB. Free memory was 46.0MB in the beginning and 51.0MB in the end (delta: -5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 12:01:13,253 INFO L158 Benchmark]: TraceAbstraction took 3560.80ms. Allocated memory is still 86.0MB. Free memory was 50.3MB in the beginning and 55.1MB in the end (delta: -4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:01:13,254 INFO L158 Benchmark]: Witness Printer took 131.48ms. Allocated memory is still 86.0MB. Free memory was 55.1MB in the beginning and 50.3MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 12:01:13,256 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 65.0MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 396.72ms. Allocated memory is still 86.0MB. Free memory was 62.7MB in the beginning and 50.7MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.88ms. Allocated memory is still 86.0MB. Free memory was 50.5MB in the beginning and 48.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 88.40ms. Allocated memory is still 86.0MB. Free memory was 48.9MB in the beginning and 46.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1822.29ms. Allocated memory is still 86.0MB. Free memory was 46.0MB in the beginning and 51.0MB in the end (delta: -5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 3560.80ms. Allocated memory is still 86.0MB. Free memory was 50.3MB in the beginning and 55.1MB in the end (delta: -4.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 131.48ms. Allocated memory is still 86.0MB. Free memory was 55.1MB in the beginning and 50.3MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~64(currentRoundingMode, ~Pluszero~64(), ~Pluszero~64())) could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 97]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 90 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 58 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 3 NumberOfFragments, 8 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 29 ConstructedInterpolants, 11 QuantifiedInterpolants, 136 SizeOfPredicates, 14 NumberOfNonLiveVariables, 127 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-26 12:01:13,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e10367d-7771-4d24-b385-54a1e1b29777/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE