./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0480.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0480.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU --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 f90b1d640a2990a6a85e9cd8b829ad481f01a2281537af5797be61836c0e0f27 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:58:00,246 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:58:00,348 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 21:58:00,353 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:58:00,354 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:58:00,403 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:58:00,403 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:58:00,404 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:58:00,404 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:58:00,405 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:58:00,405 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:58:00,406 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:58:00,407 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:58:00,409 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:58:00,409 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:58:00,410 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:58:00,410 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:58:00,415 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:58:00,415 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:58:00,415 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:58:00,416 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:58:00,416 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:58:00,417 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:58:00,417 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:58:00,417 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:58:00,417 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:58:00,418 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:58:00,418 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:58:00,418 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:58:00,419 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:58:00,419 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:58:00,419 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:58:00,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:58:00,422 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:58:00,423 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:58:00,423 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:58:00,423 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:58:00,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:58:00,424 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:58:00,424 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:58:00,424 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:58:00,425 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:58:00,425 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_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f90b1d640a2990a6a85e9cd8b829ad481f01a2281537af5797be61836c0e0f27 [2024-10-31 21:58:00,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:58:00,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:58:00,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:58:00,770 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:58:00,771 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:58:00,772 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/float-newlib/double_req_bl_0480.c Unable to find full path for "g++" [2024-10-31 21:58:02,767 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:58:03,012 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:58:03,014 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2024-10-31 21:58:03,028 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU/data/d37ba53dc/dd5eeba283104d17846ebc4900f27e1f/FLAGf4903fd6c [2024-10-31 21:58:03,356 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU/data/d37ba53dc/dd5eeba283104d17846ebc4900f27e1f [2024-10-31 21:58:03,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:58:03,363 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:58:03,364 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:03,364 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:58:03,371 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:58:03,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:03" (1/1) ... [2024-10-31 21:58:03,375 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7384c34b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:03, skipping insertion in model container [2024-10-31 21:58:03,375 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:03" (1/1) ... [2024-10-31 21:58:03,448 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:58:03,827 WARN L251 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_1feb87dd-230e-4429-9e27-4f3910d92094/sv-benchmarks/c/float-newlib/double_req_bl_0480.c[5882,5895] [2024-10-31 21:58:03,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:03,857 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:58:03,972 WARN L251 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_1feb87dd-230e-4429-9e27-4f3910d92094/sv-benchmarks/c/float-newlib/double_req_bl_0480.c[5882,5895] [2024-10-31 21:58:03,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:03,996 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:58:03,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:03 WrapperNode [2024-10-31 21:58:03,997 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:03,998 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:58:03,999 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:58:03,999 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:58:04,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:03" (1/1) ... [2024-10-31 21:58:04,024 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:03" (1/1) ... [2024-10-31 21:58:04,053 INFO L138 Inliner]: procedures = 17, calls = 38, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 162 [2024-10-31 21:58:04,053 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:58:04,054 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:58:04,054 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:58:04,055 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:58:04,068 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:03" (1/1) ... [2024-10-31 21:58:04,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:03" (1/1) ... [2024-10-31 21:58:04,073 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:03" (1/1) ... [2024-10-31 21:58:04,095 INFO L175 MemorySlicer]: Split 17 memory accesses to 7 slices as follows [2, 2, 3, 3, 3, 2, 2]. 18 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0]. The 8 writes are split as follows [0, 1, 1, 2, 2, 1, 1]. [2024-10-31 21:58:04,096 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:03" (1/1) ... [2024-10-31 21:58:04,096 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:03" (1/1) ... [2024-10-31 21:58:04,113 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:03" (1/1) ... [2024-10-31 21:58:04,128 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:03" (1/1) ... [2024-10-31 21:58:04,136 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:03" (1/1) ... [2024-10-31 21:58:04,139 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:03" (1/1) ... [2024-10-31 21:58:04,145 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:58:04,146 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:58:04,146 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:58:04,146 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:58:04,148 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:03" (1/1) ... [2024-10-31 21:58:04,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:58:04,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:04,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:04,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:58:04,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:58:04,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 21:58:04,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 21:58:04,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 21:58:04,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 21:58:04,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 21:58:04,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 21:58:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-31 21:58:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 21:58:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-10-31 21:58:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-10-31 21:58:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-10-31 21:58:04,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-10-31 21:58:04,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-10-31 21:58:04,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-10-31 21:58:04,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-10-31 21:58:04,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 21:58:04,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 21:58:04,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 21:58:04,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 21:58:04,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 21:58:04,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 21:58:04,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-31 21:58:04,242 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2024-10-31 21:58:04,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2024-10-31 21:58:04,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-10-31 21:58:04,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-10-31 21:58:04,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-10-31 21:58:04,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-10-31 21:58:04,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-10-31 21:58:04,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-10-31 21:58:04,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-10-31 21:58:04,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:58:04,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:58:04,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 21:58:04,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 21:58:04,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 21:58:04,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 21:58:04,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 21:58:04,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 21:58:04,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-31 21:58:04,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 21:58:04,438 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:58:04,442 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:58:05,251 INFO L? ?]: Removed 77 outVars from TransFormulas that were not future-live. [2024-10-31 21:58:05,251 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:58:05,273 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:58:05,274 INFO L316 CfgBuilder]: Removed 16 assume(true) statements. [2024-10-31 21:58:05,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:58:05 BoogieIcfgContainer [2024-10-31 21:58:05,276 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:58:05,290 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:58:05,290 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:58:05,295 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:58:05,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:58:03" (1/3) ... [2024-10-31 21:58:05,296 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff3e61e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:58:05, skipping insertion in model container [2024-10-31 21:58:05,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:03" (2/3) ... [2024-10-31 21:58:05,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff3e61e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:58:05, skipping insertion in model container [2024-10-31 21:58:05,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:58:05" (3/3) ... [2024-10-31 21:58:05,298 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0480.c [2024-10-31 21:58:05,327 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:58:05,327 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 21:58:05,416 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:58:05,421 INFO L333 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, 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;@783edf63, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:58:05,421 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 21:58:05,425 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 131 states have (on average 1.6106870229007633) internal successors, (211), 132 states have internal predecessors, (211), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 21:58:05,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-31 21:58:05,432 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:05,433 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:05,434 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:58:05,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:05,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1264916430, now seen corresponding path program 1 times [2024-10-31 21:58:05,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:05,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960781945] [2024-10-31 21:58:05,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:05,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:05,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:05,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:05,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:05,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960781945] [2024-10-31 21:58:05,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960781945] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:05,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:05,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:58:05,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273745336] [2024-10-31 21:58:05,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:05,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 21:58:05,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:05,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 21:58:05,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 21:58:05,681 INFO L87 Difference]: Start difference. First operand has 136 states, 131 states have (on average 1.6106870229007633) internal successors, (211), 132 states have internal predecessors, (211), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2024-10-31 21:58:05,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:05,734 INFO L93 Difference]: Finished difference Result 270 states and 430 transitions. [2024-10-31 21:58:05,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 21:58:05,739 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2024-10-31 21:58:05,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:05,749 INFO L225 Difference]: With dead ends: 270 [2024-10-31 21:58:05,750 INFO L226 Difference]: Without dead ends: 133 [2024-10-31 21:58:05,755 INFO L431 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 [2024-10-31 21:58:05,759 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:05,760 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:58:05,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-10-31 21:58:05,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2024-10-31 21:58:05,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 129 states have (on average 1.4728682170542635) internal successors, (190), 129 states have internal predecessors, (190), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 21:58:05,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 194 transitions. [2024-10-31 21:58:05,827 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 194 transitions. Word has length 11 [2024-10-31 21:58:05,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:05,827 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 194 transitions. [2024-10-31 21:58:05,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2024-10-31 21:58:05,829 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 194 transitions. [2024-10-31 21:58:05,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-31 21:58:05,833 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:05,833 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:05,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 21:58:05,834 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:58:05,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:05,835 INFO L85 PathProgramCache]: Analyzing trace with hash 300242056, now seen corresponding path program 1 times [2024-10-31 21:58:05,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:05,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283800987] [2024-10-31 21:58:05,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:05,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:05,912 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:05,993 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:05,995 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 21:58:05,997 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 21:58:05,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 21:58:06,003 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-31 21:58:06,031 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 21:58:06,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 09:58:06 BoogieIcfgContainer [2024-10-31 21:58:06,041 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 21:58:06,042 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 21:58:06,042 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 21:58:06,042 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 21:58:06,043 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:58:05" (3/4) ... [2024-10-31 21:58:06,047 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 21:58:06,049 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 21:58:06,052 INFO L158 Benchmark]: Toolchain (without parser) took 2687.48ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 117.0MB in the beginning and 113.0MB in the end (delta: 4.0MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2024-10-31 21:58:06,052 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:58:06,053 INFO L158 Benchmark]: CACSL2BoogieTranslator took 633.27ms. Allocated memory is still 146.8MB. Free memory was 116.4MB in the beginning and 108.3MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-31 21:58:06,056 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.22ms. Allocated memory is still 146.8MB. Free memory was 108.3MB in the beginning and 105.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 21:58:06,057 INFO L158 Benchmark]: Boogie Preprocessor took 90.95ms. Allocated memory is still 146.8MB. Free memory was 105.5MB in the beginning and 100.7MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 21:58:06,057 INFO L158 Benchmark]: RCFGBuilder took 1130.34ms. Allocated memory is still 146.8MB. Free memory was 100.7MB in the beginning and 62.8MB in the end (delta: 37.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-10-31 21:58:06,058 INFO L158 Benchmark]: TraceAbstraction took 751.21ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 114.8MB in the beginning and 114.0MB in the end (delta: 746.4kB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-10-31 21:58:06,058 INFO L158 Benchmark]: Witness Printer took 7.64ms. Allocated memory is still 176.2MB. Free memory was 114.0MB in the beginning and 113.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 21:58:06,064 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 633.27ms. Allocated memory is still 146.8MB. Free memory was 116.4MB in the beginning and 108.3MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.22ms. Allocated memory is still 146.8MB. Free memory was 108.3MB in the beginning and 105.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.95ms. Allocated memory is still 146.8MB. Free memory was 105.5MB in the beginning and 100.7MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1130.34ms. Allocated memory is still 146.8MB. Free memory was 100.7MB in the beginning and 62.8MB in the end (delta: 37.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 751.21ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 114.8MB in the beginning and 114.0MB in the end (delta: 746.4kB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * Witness Printer took 7.64ms. Allocated memory is still 176.2MB. Free memory was 114.0MB in the beginning and 113.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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: 239]: 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 238, overapproximation of someUnaryDOUBLEoperation at line 147, overapproximation of someBinaryArithmeticDOUBLEoperation at line 184. Possible FailurePath: [L30] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L142-L155] static const double one_acos = 1.00000000000000000000e+00, pi = 3.14159265358979311600e+00, pio2_hi_acos = 1.57079632679489655800e+00, pio2_lo_acos = 6.12323399573676603587e-17, pS0_acos = 1.66666666666666657415e-01, pS1_acos = -3.25565818622400915405e-01, pS2_acos = 2.01212532134862925881e-01, pS3_acos = -4.00555345006794114027e-02, pS4_acos = 7.91534994289814532176e-04, pS5_acos = 3.47933107596021167570e-05, qS1_acos = -2.40339491173441421878e+00, qS2_acos = 2.02094576023350569471e+00, qS3_acos = -6.88283971605453293030e-01, qS4_acos = 7.70381505559019352791e-02; VAL [one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L234] double x = 1.0; [L235] CALL, EXPR __ieee754_acos(x) [L158] double z, p, q, r, w, s, c, df; [L159] __int32_t hx, ix; VAL [one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1] [L161] ieee_double_shape_type gh_u; [L162] gh_u.value = (x) [L163] EXPR gh_u.parts.msw [L163] (hx) = gh_u.parts.msw [L165] ix = hx & 0x7fffffff VAL [hx=-1134559231, ix=1012924417, one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1] [L166] COND FALSE !(ix >= 0x3ff00000) VAL [one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L181] COND TRUE ix < 0x3fe00000 VAL [one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L182] COND FALSE !(ix <= 0x3c600000) [L184] z = x * x [L185-L188] p = z * (pS0_acos + z * (pS1_acos + z * (pS2_acos + z * (pS3_acos + z * (pS4_acos + z * pS5_acos))))) [L189-L190] q = one_acos + z * (qS1_acos + z * (qS2_acos + z * (qS3_acos + z * qS4_acos))) [L191] r = p / q [L192] return pio2_hi_acos - (x - (pio2_lo_acos - x * r)); VAL [hx=-1134559231, one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1] [L235] RET, EXPR __ieee754_acos(x) [L235] double res = __ieee754_acos(x); [L238] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, res=3160408075, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L238] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L238] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L239] reach_error() VAL [one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, res=3160408075, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 136 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 197 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 197 mSDtfsCounter, 0 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=136occurred 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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 [2024-10-31 21:58:06,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0480.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU --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 f90b1d640a2990a6a85e9cd8b829ad481f01a2281537af5797be61836c0e0f27 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:58:08,692 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:58:08,795 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-31 21:58:08,803 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:58:08,805 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:58:08,841 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:58:08,842 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:58:08,843 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:58:08,844 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:58:08,845 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:58:08,845 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:58:08,846 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:58:08,847 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:58:08,847 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:58:08,849 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:58:08,850 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:58:08,850 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:58:08,850 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:58:08,851 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:58:08,851 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:58:08,851 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:58:08,854 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:58:08,854 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:58:08,854 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 21:58:08,855 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 21:58:08,855 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:58:08,855 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 21:58:08,856 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:58:08,856 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:58:08,856 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:58:08,857 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:58:08,857 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:58:08,858 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:58:08,858 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:58:08,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:58:08,859 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:58:08,859 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:58:08,860 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:58:08,860 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 21:58:08,860 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 21:58:08,861 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:58:08,861 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:58:08,861 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:58:08,861 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:58:08,862 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 21:58:08,862 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_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f90b1d640a2990a6a85e9cd8b829ad481f01a2281537af5797be61836c0e0f27 [2024-10-31 21:58:09,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:58:09,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:58:09,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:58:09,322 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:58:09,323 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:58:09,325 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/float-newlib/double_req_bl_0480.c Unable to find full path for "g++" [2024-10-31 21:58:11,394 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:58:11,626 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:58:11,627 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2024-10-31 21:58:11,637 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU/data/053494744/785dcbd4803148c4a6847d4193d1c018/FLAG5997cd249 [2024-10-31 21:58:11,653 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU/data/053494744/785dcbd4803148c4a6847d4193d1c018 [2024-10-31 21:58:11,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:58:11,658 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:58:11,659 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:11,659 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:58:11,670 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:58:11,671 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:11" (1/1) ... [2024-10-31 21:58:11,672 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e1188a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:11, skipping insertion in model container [2024-10-31 21:58:11,673 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:11" (1/1) ... [2024-10-31 21:58:11,710 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:58:11,990 WARN L251 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_1feb87dd-230e-4429-9e27-4f3910d92094/sv-benchmarks/c/float-newlib/double_req_bl_0480.c[5882,5895] [2024-10-31 21:58:11,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:12,029 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:58:12,127 WARN L251 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_1feb87dd-230e-4429-9e27-4f3910d92094/sv-benchmarks/c/float-newlib/double_req_bl_0480.c[5882,5895] [2024-10-31 21:58:12,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:12,160 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:58:12,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:12 WrapperNode [2024-10-31 21:58:12,161 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:12,163 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:58:12,164 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:58:12,164 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:58:12,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:12" (1/1) ... [2024-10-31 21:58:12,193 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:12" (1/1) ... [2024-10-31 21:58:12,237 INFO L138 Inliner]: procedures = 20, calls = 38, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 153 [2024-10-31 21:58:12,238 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:58:12,238 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:58:12,240 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:58:12,241 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:58:12,255 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:12" (1/1) ... [2024-10-31 21:58:12,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:12" (1/1) ... [2024-10-31 21:58:12,264 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:12" (1/1) ... [2024-10-31 21:58:12,299 INFO L175 MemorySlicer]: Split 17 memory accesses to 7 slices as follows [3, 2, 2, 2, 3, 3, 2]. 18 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [0, 2, 0, 0, 0, 0, 0]. The 8 writes are split as follows [1, 0, 1, 1, 2, 2, 1]. [2024-10-31 21:58:12,303 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:12" (1/1) ... [2024-10-31 21:58:12,303 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:12" (1/1) ... [2024-10-31 21:58:12,330 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:12" (1/1) ... [2024-10-31 21:58:12,344 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:12" (1/1) ... [2024-10-31 21:58:12,370 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:12" (1/1) ... [2024-10-31 21:58:12,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:12" (1/1) ... [2024-10-31 21:58:12,391 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:58:12,392 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:58:12,392 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:58:12,392 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:58:12,393 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:12" (1/1) ... [2024-10-31 21:58:12,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:58:12,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:12,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:12,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:58:12,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:58:12,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-10-31 21:58:12,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-10-31 21:58:12,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-10-31 21:58:12,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-10-31 21:58:12,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-10-31 21:58:12,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-10-31 21:58:12,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-10-31 21:58:12,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-10-31 21:58:12,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-10-31 21:58:12,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-10-31 21:58:12,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-10-31 21:58:12,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-10-31 21:58:12,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-10-31 21:58:12,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-10-31 21:58:12,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 21:58:12,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-31 21:58:12,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-31 21:58:12,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-10-31 21:58:12,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-10-31 21:58:12,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-10-31 21:58:12,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-10-31 21:58:12,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 21:58:12,517 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2024-10-31 21:58:12,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2024-10-31 21:58:12,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-31 21:58:12,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-31 21:58:12,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-10-31 21:58:12,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-10-31 21:58:12,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-10-31 21:58:12,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-10-31 21:58:12,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-10-31 21:58:12,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:58:12,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:58:12,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-31 21:58:12,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-31 21:58:12,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-10-31 21:58:12,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-10-31 21:58:12,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-10-31 21:58:12,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-10-31 21:58:12,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-10-31 21:58:12,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 21:58:12,672 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:58:12,675 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:58:37,925 INFO L? ?]: Removed 70 outVars from TransFormulas that were not future-live. [2024-10-31 21:58:37,929 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:58:37,965 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:58:37,965 INFO L316 CfgBuilder]: Removed 16 assume(true) statements. [2024-10-31 21:58:37,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:58:37 BoogieIcfgContainer [2024-10-31 21:58:37,966 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:58:37,974 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:58:37,975 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:58:37,980 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:58:37,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:58:11" (1/3) ... [2024-10-31 21:58:37,982 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb82185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:58:37, skipping insertion in model container [2024-10-31 21:58:37,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:12" (2/3) ... [2024-10-31 21:58:37,985 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb82185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:58:37, skipping insertion in model container [2024-10-31 21:58:37,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:58:37" (3/3) ... [2024-10-31 21:58:37,990 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0480.c [2024-10-31 21:58:38,010 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:58:38,010 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 21:58:38,099 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:58:38,109 INFO L333 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, 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;@34718a0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:58:38,110 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 21:58:38,117 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 69 states have (on average 1.6521739130434783) internal successors, (114), 70 states have internal predecessors, (114), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 21:58:38,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-31 21:58:38,130 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:38,131 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:38,131 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:58:38,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:38,143 INFO L85 PathProgramCache]: Analyzing trace with hash 807618303, now seen corresponding path program 1 times [2024-10-31 21:58:38,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 21:58:38,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2118385550] [2024-10-31 21:58:38,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:38,168 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 [2024-10-31 21:58:38,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 21:58:38,172 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 21:58:38,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:58:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:39,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-31 21:58:39,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:39,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:39,426 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:58:39,427 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 21:58:39,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2118385550] [2024-10-31 21:58:39,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2118385550] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:39,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:39,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:58:39,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658471891] [2024-10-31 21:58:39,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:39,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 21:58:39,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 21:58:39,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 21:58:39,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 21:58:39,465 INFO L87 Difference]: Start difference. First operand has 74 states, 69 states have (on average 1.6521739130434783) internal successors, (114), 70 states have internal predecessors, (114), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2024-10-31 21:58:39,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:39,499 INFO L93 Difference]: Finished difference Result 146 states and 236 transitions. [2024-10-31 21:58:39,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 21:58:39,502 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2024-10-31 21:58:39,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:39,512 INFO L225 Difference]: With dead ends: 146 [2024-10-31 21:58:39,513 INFO L226 Difference]: Without dead ends: 71 [2024-10-31 21:58:39,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 21:58:39,523 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:39,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:58:39,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-10-31 21:58:39,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-10-31 21:58:39,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 67 states have (on average 1.4029850746268657) internal successors, (94), 67 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 21:58:39,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 98 transitions. [2024-10-31 21:58:39,587 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 98 transitions. Word has length 11 [2024-10-31 21:58:39,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:39,589 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 98 transitions. [2024-10-31 21:58:39,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2024-10-31 21:58:39,590 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2024-10-31 21:58:39,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-31 21:58:39,591 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:39,591 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:39,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU/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)] Ended with exit code 0 [2024-10-31 21:58:39,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:58:39,793 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:58:39,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:39,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1074834118, now seen corresponding path program 1 times [2024-10-31 21:58:39,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 21:58:39,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [436488035] [2024-10-31 21:58:39,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:39,796 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 [2024-10-31 21:58:39,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 21:58:39,800 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 21:58:39,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feb87dd-230e-4429-9e27-4f3910d92094/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:58:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:40,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 21:58:40,137 INFO L278 TraceCheckSpWp]: Computing forward predicates...