./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1131a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1131a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya --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 1b31ce7f7c4676859cda30df478f5c182e9a7ecf5b09749c2174b3af169f370c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:19:53,230 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:19:53,293 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 05:19:53,299 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:19:53,300 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:19:53,326 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:19:53,327 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:19:53,328 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:19:53,328 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:19:53,329 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:19:53,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:19:53,330 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:19:53,331 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:19:53,331 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:19:53,332 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:19:53,332 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:19:53,333 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:19:53,333 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:19:53,334 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:19:53,334 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:19:53,335 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:19:53,335 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:19:53,339 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:19:53,340 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:19:53,340 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:19:53,340 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:19:53,341 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:19:53,341 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:19:53,341 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:19:53,342 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:19:53,342 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:19:53,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:19:53,343 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:19:53,343 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:19:53,343 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:19:53,343 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:19:53,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:19:53,344 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:19:53,344 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:19:53,344 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:19:53,344 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:19:53,345 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:19:53,345 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_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b31ce7f7c4676859cda30df478f5c182e9a7ecf5b09749c2174b3af169f370c [2023-11-29 05:19:53,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:19:53,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:19:53,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:19:53,604 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:19:53,604 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:19:53,605 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/float-newlib/double_req_bl_1131a.c [2023-11-29 05:19:56,340 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:19:56,526 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:19:56,526 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/sv-benchmarks/c/float-newlib/double_req_bl_1131a.c [2023-11-29 05:19:56,534 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/data/6bd8633ef/63a42904258a452faf393825ebd8a173/FLAGbc21979b9 [2023-11-29 05:19:56,549 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/data/6bd8633ef/63a42904258a452faf393825ebd8a173 [2023-11-29 05:19:56,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:19:56,553 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:19:56,554 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:19:56,554 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:19:56,559 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:19:56,560 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:19:56" (1/1) ... [2023-11-29 05:19:56,561 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b8c2cbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:56, skipping insertion in model container [2023-11-29 05:19:56,561 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:19:56" (1/1) ... [2023-11-29 05:19:56,589 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:19:56,761 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/sv-benchmarks/c/float-newlib/double_req_bl_1131a.c[4189,4202] [2023-11-29 05:19:56,766 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:19:56,776 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:19:56,820 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/sv-benchmarks/c/float-newlib/double_req_bl_1131a.c[4189,4202] [2023-11-29 05:19:56,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:19:56,838 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:19:56,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:56 WrapperNode [2023-11-29 05:19:56,839 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:19:56,840 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:19:56,840 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:19:56,840 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:19:56,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:56" (1/1) ... [2023-11-29 05:19:56,862 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:56" (1/1) ... [2023-11-29 05:19:56,903 INFO L138 Inliner]: procedures = 19, calls = 39, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 445 [2023-11-29 05:19:56,904 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:19:56,905 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:19:56,905 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:19:56,905 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:19:56,917 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:56" (1/1) ... [2023-11-29 05:19:56,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:56" (1/1) ... [2023-11-29 05:19:56,924 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:56" (1/1) ... [2023-11-29 05:19:56,946 INFO L175 MemorySlicer]: Split 21 memory accesses to 7 slices as follows [2, 3, 3, 5, 3, 3, 2]. 24 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 0, 0, 2, 0, 0, 0]. The 7 writes are split as follows [0, 2, 2, 0, 1, 1, 1]. [2023-11-29 05:19:56,947 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:56" (1/1) ... [2023-11-29 05:19:56,947 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:56" (1/1) ... [2023-11-29 05:19:56,965 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:56" (1/1) ... [2023-11-29 05:19:56,973 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:56" (1/1) ... [2023-11-29 05:19:56,977 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:56" (1/1) ... [2023-11-29 05:19:56,981 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:56" (1/1) ... [2023-11-29 05:19:56,987 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:19:56,988 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:19:56,989 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:19:56,989 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:19:56,990 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:56" (1/1) ... [2023-11-29 05:19:57,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:19:57,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:19:57,041 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:19:57,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:19:57,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:19:57,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:19:57,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 05:19:57,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 05:19:57,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 05:19:57,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 05:19:57,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-29 05:19:57,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-29 05:19:57,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 05:19:57,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 05:19:57,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 05:19:57,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 05:19:57,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 05:19:57,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 05:19:57,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-29 05:19:57,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-29 05:19:57,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-29 05:19:57,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-29 05:19:57,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-11-29 05:19:57,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-11-29 05:19:57,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2023-11-29 05:19:57,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2023-11-29 05:19:57,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2023-11-29 05:19:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-29 05:19:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-29 05:19:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-11-29 05:19:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2023-11-29 05:19:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2023-11-29 05:19:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2023-11-29 05:19:57,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2023-11-29 05:19:57,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:19:57,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:19:57,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 05:19:57,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 05:19:57,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 05:19:57,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 05:19:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 05:19:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-29 05:19:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-29 05:19:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-29 05:19:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-29 05:19:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2023-11-29 05:19:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2023-11-29 05:19:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2023-11-29 05:19:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2023-11-29 05:19:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2023-11-29 05:19:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 05:19:57,230 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:19:57,232 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:19:57,762 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:19:57,791 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:19:57,791 INFO L309 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-29 05:19:57,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:19:57 BoogieIcfgContainer [2023-11-29 05:19:57,791 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:19:57,795 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:19:57,795 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:19:57,798 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:19:57,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:19:56" (1/3) ... [2023-11-29 05:19:57,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@535cc5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:19:57, skipping insertion in model container [2023-11-29 05:19:57,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:56" (2/3) ... [2023-11-29 05:19:57,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@535cc5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:19:57, skipping insertion in model container [2023-11-29 05:19:57,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:19:57" (3/3) ... [2023-11-29 05:19:57,801 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1131a.c [2023-11-29 05:19:57,819 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:19:57,819 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:19:57,859 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:19:57,865 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1ffc57e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:19:57,865 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:19:57,870 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 115 states have (on average 1.8) internal successors, (207), 116 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:19:57,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-29 05:19:57,875 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:19:57,876 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:19:57,876 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:19:57,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:19:57,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1711798358, now seen corresponding path program 1 times [2023-11-29 05:19:57,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:19:57,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049591520] [2023-11-29 05:19:57,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:19:57,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:19:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:19:58,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:19:58,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:19:58,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049591520] [2023-11-29 05:19:58,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049591520] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:19:58,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:19:58,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:19:58,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883876251] [2023-11-29 05:19:58,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:19:58,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 05:19:58,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:19:58,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 05:19:58,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:19:58,077 INFO L87 Difference]: Start difference. First operand has 117 states, 115 states have (on average 1.8) internal successors, (207), 116 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:19:58,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:19:58,121 INFO L93 Difference]: Finished difference Result 233 states and 413 transitions. [2023-11-29 05:19:58,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 05:19:58,124 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16 [2023-11-29 05:19:58,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:19:58,134 INFO L225 Difference]: With dead ends: 233 [2023-11-29 05:19:58,134 INFO L226 Difference]: Without dead ends: 114 [2023-11-29 05:19:58,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:19:58,141 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:19:58,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 181 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:19:58,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-29 05:19:58,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2023-11-29 05:19:58,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 113 states have (on average 1.6283185840707965) internal successors, (184), 113 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:19:58,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 184 transitions. [2023-11-29 05:19:58,184 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 184 transitions. Word has length 16 [2023-11-29 05:19:58,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:19:58,184 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 184 transitions. [2023-11-29 05:19:58,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:19:58,185 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 184 transitions. [2023-11-29 05:19:58,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-29 05:19:58,186 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:19:58,186 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:19:58,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 05:19:58,186 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:19:58,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:19:58,187 INFO L85 PathProgramCache]: Analyzing trace with hash -387427676, now seen corresponding path program 1 times [2023-11-29 05:19:58,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:19:58,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454267548] [2023-11-29 05:19:58,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:19:58,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:19:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:19:58,291 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:19:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:19:58,379 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:19:58,379 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 05:19:58,381 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 05:19:58,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 05:19:58,386 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-29 05:19:58,390 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 05:19:58,411 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-29 05:19:58,412 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-29 05:19:58,412 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short12 could not be translated [2023-11-29 05:19:58,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:19:58 BoogieIcfgContainer [2023-11-29 05:19:58,423 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:19:58,424 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:19:58,424 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:19:58,424 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:19:58,425 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:19:57" (3/4) ... [2023-11-29 05:19:58,427 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 05:19:58,428 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:19:58,429 INFO L158 Benchmark]: Toolchain (without parser) took 1876.24ms. Allocated memory was 144.7MB in the beginning and 188.7MB in the end (delta: 44.0MB). Free memory was 98.1MB in the beginning and 82.0MB in the end (delta: 16.1MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. [2023-11-29 05:19:58,430 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 144.7MB. Free memory was 114.4MB in the beginning and 114.4MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:19:58,430 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.33ms. Allocated memory is still 144.7MB. Free memory was 98.1MB in the beginning and 83.8MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 05:19:58,431 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.80ms. Allocated memory is still 144.7MB. Free memory was 83.8MB in the beginning and 80.0MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 05:19:58,431 INFO L158 Benchmark]: Boogie Preprocessor took 82.98ms. Allocated memory is still 144.7MB. Free memory was 80.0MB in the beginning and 75.4MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 05:19:58,432 INFO L158 Benchmark]: RCFGBuilder took 803.26ms. Allocated memory was 144.7MB in the beginning and 188.7MB in the end (delta: 44.0MB). Free memory was 75.4MB in the beginning and 121.9MB in the end (delta: -46.4MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2023-11-29 05:19:58,433 INFO L158 Benchmark]: TraceAbstraction took 628.72ms. Allocated memory is still 188.7MB. Free memory was 120.8MB in the beginning and 82.0MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-29 05:19:58,433 INFO L158 Benchmark]: Witness Printer took 4.41ms. Allocated memory is still 188.7MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:19:58,436 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 144.7MB. Free memory was 114.4MB in the beginning and 114.4MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.33ms. Allocated memory is still 144.7MB. Free memory was 98.1MB in the beginning and 83.8MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.80ms. Allocated memory is still 144.7MB. Free memory was 83.8MB in the beginning and 80.0MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.98ms. Allocated memory is still 144.7MB. Free memory was 80.0MB in the beginning and 75.4MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 803.26ms. Allocated memory was 144.7MB in the beginning and 188.7MB in the end (delta: 44.0MB). Free memory was 75.4MB in the beginning and 121.9MB in the end (delta: -46.4MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * TraceAbstraction took 628.72ms. Allocated memory is still 188.7MB. Free memory was 120.8MB in the beginning and 82.0MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 4.41ms. Allocated memory is still 188.7MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short12 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 191]: 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 190, overapproximation of someUnaryDOUBLEoperation at line 22, overapproximation of someBinaryArithmeticDOUBLEoperation at line 47. Possible FailurePath: [L20-L23] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L20-L23] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L20-L23] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L182] double y = 1.0 / 0.0; [L183] double x = __VERIFIER_nondet_double(); [L185] CALL isfinite_double(x) [L166] __int32_t hx; VAL [Zero_fmod={4:0}, \old(x)=9, one_fmod=1, x=9] [L168] ieee_double_shape_type gh_u; [L169] EXPR gh_u.value = (x) [L170] EXPR gh_u.parts.msw [L170] EXPR (hx) = gh_u.parts.msw [L167-L171] { ieee_double_shape_type gh_u; gh_u.value = (x); (hx) = gh_u.parts.msw; } VAL [Zero_fmod={4:0}, \old(x)=9, hx=-2147483648, one_fmod=1, x=9] [L172] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); [L185] RET isfinite_double(x) [L185] COND TRUE isfinite_double(x) [L187] CALL, EXPR fmod_double(x, y) [L26] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L27] __uint32_t lx, ly, lz; VAL [Zero_fmod={4:0}, \old(x)=9, \old(y)=10, one_fmod=1, x=9, y=10] [L30] ieee_double_shape_type ew_u; [L31] EXPR ew_u.value = (x) [L32] EXPR ew_u.parts.msw [L32] EXPR (hx) = ew_u.parts.msw [L33] EXPR ew_u.parts.lsw [L33] EXPR (lx) = ew_u.parts.lsw [L29-L34] { ieee_double_shape_type ew_u; ew_u.value = (x); (hx) = ew_u.parts.msw; (lx) = ew_u.parts.lsw; } VAL [Zero_fmod={4:0}, \old(x)=9, \old(y)=10, hx=0, lx=6442450945, one_fmod=1, x=9, y=10] [L36] ieee_double_shape_type ew_u; [L37] EXPR ew_u.value = (y) [L38] EXPR ew_u.parts.msw [L38] EXPR (hy) = ew_u.parts.msw [L39] EXPR ew_u.parts.lsw [L39] EXPR (ly) = ew_u.parts.lsw [L35-L40] { ieee_double_shape_type ew_u; ew_u.value = (y); (hy) = ew_u.parts.msw; (ly) = ew_u.parts.lsw; } VAL [Zero_fmod={4:0}, \old(x)=9, \old(y)=10, hx=0, hy=-2147483648, lx=6442450945, ly=0, one_fmod=1, x=9, y=10] [L41] sx = hx & 0x80000000 VAL [Zero_fmod={4:0}, \old(x)=9, \old(y)=10, hx=0, hy=-2147483648, lx=6442450945, ly=0, one_fmod=1, sx=0, x=9, y=10] [L42] hx ^= sx [L43] hy &= 0x7fffffff VAL [Zero_fmod={4:0}, \old(x)=9, \old(y)=10, hx=0, hy=0, lx=6442450945, ly=0, one_fmod=1, sx=0, x=9, y=10] [L45] EXPR hy | ly VAL [Zero_fmod={4:0}, \old(x)=9, \old(y)=10, hx=0, hy=0, lx=6442450945, ly=0, one_fmod=1, sx=0, x=9, y=10] [L45-L46] (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) VAL [Zero_fmod={4:0}, \old(x)=9, \old(y)=10, hx=0, hy=0, lx=6442450945, ly=0, one_fmod=1, sx=0, x=9, y=10] [L45-L46] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L47] return (x * y) / (x * y); VAL [Zero_fmod={4:0}, \old(x)=9, \old(y)=10, hx=0, hy=0, lx=6442450945, ly=0, one_fmod=1, sx=0, x=9, y=10] [L187] RET, EXPR fmod_double(x, y) [L187] double res = fmod_double(x, y); [L190] COND TRUE res != x VAL [Zero_fmod={4:0}, one_fmod=1, res=8, x=9, y=10] [L191] reach_error() VAL [Zero_fmod={4:0}, one_fmod=1, res=8, x=9, y=10] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 181 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 181 mSDtfsCounter, 7 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=117occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 05:19:58,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1131a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya --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 1b31ce7f7c4676859cda30df478f5c182e9a7ecf5b09749c2174b3af169f370c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:20:00,414 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:20:00,481 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 05:20:00,496 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:20:00,497 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:20:00,526 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:20:00,527 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:20:00,527 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:20:00,528 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:20:00,529 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:20:00,529 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:20:00,530 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:20:00,531 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:20:00,531 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:20:00,532 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:20:00,532 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:20:00,533 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:20:00,533 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:20:00,534 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:20:00,535 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:20:00,535 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:20:00,536 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:20:00,536 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:20:00,537 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 05:20:00,537 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 05:20:00,538 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 05:20:00,538 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:20:00,538 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:20:00,539 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:20:00,539 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:20:00,540 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:20:00,540 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:20:00,540 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:20:00,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:20:00,541 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:20:00,541 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:20:00,542 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:20:00,542 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 05:20:00,542 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 05:20:00,542 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:20:00,543 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:20:00,543 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:20:00,543 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:20:00,543 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:20:00,543 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 05:20:00,544 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_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b31ce7f7c4676859cda30df478f5c182e9a7ecf5b09749c2174b3af169f370c [2023-11-29 05:20:00,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:20:00,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:20:00,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:20:00,864 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:20:00,864 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:20:00,866 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/float-newlib/double_req_bl_1131a.c [2023-11-29 05:20:03,638 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:20:03,837 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:20:03,837 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/sv-benchmarks/c/float-newlib/double_req_bl_1131a.c [2023-11-29 05:20:03,848 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/data/71b925245/40f5805e8d804a8a85b4be4b6294d947/FLAGdb48bf059 [2023-11-29 05:20:03,864 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/data/71b925245/40f5805e8d804a8a85b4be4b6294d947 [2023-11-29 05:20:03,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:20:03,869 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:20:03,871 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:20:03,871 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:20:03,876 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:20:03,877 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:20:03" (1/1) ... [2023-11-29 05:20:03,879 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18d02cdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:20:03, skipping insertion in model container [2023-11-29 05:20:03,879 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:20:03" (1/1) ... [2023-11-29 05:20:03,911 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:20:04,168 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/sv-benchmarks/c/float-newlib/double_req_bl_1131a.c[4189,4202] [2023-11-29 05:20:04,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:20:04,197 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:20:04,262 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/sv-benchmarks/c/float-newlib/double_req_bl_1131a.c[4189,4202] [2023-11-29 05:20:04,263 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:20:04,284 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:20:04,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:20:04 WrapperNode [2023-11-29 05:20:04,285 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:20:04,286 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:20:04,286 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:20:04,286 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:20:04,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:20:04" (1/1) ... [2023-11-29 05:20:04,308 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:20:04" (1/1) ... [2023-11-29 05:20:04,339 INFO L138 Inliner]: procedures = 22, calls = 39, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 243 [2023-11-29 05:20:04,339 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:20:04,340 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:20:04,340 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:20:04,340 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:20:04,352 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:20:04" (1/1) ... [2023-11-29 05:20:04,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:20:04" (1/1) ... [2023-11-29 05:20:04,359 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:20:04" (1/1) ... [2023-11-29 05:20:04,379 INFO L175 MemorySlicer]: Split 21 memory accesses to 7 slices as follows [2, 5, 2, 3, 3, 3, 3]. 24 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 2, 0, 0, 0, 0, 0]. The 7 writes are split as follows [0, 0, 1, 2, 1, 1, 2]. [2023-11-29 05:20:04,379 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:20:04" (1/1) ... [2023-11-29 05:20:04,379 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:20:04" (1/1) ... [2023-11-29 05:20:04,398 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:20:04" (1/1) ... [2023-11-29 05:20:04,404 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:20:04" (1/1) ... [2023-11-29 05:20:04,409 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:20:04" (1/1) ... [2023-11-29 05:20:04,412 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:20:04" (1/1) ... [2023-11-29 05:20:04,419 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:20:04,420 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:20:04,420 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:20:04,420 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:20:04,421 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:20:04" (1/1) ... [2023-11-29 05:20:04,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:20:04,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:20:04,452 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:20:04,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:20:04,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:20:04,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2023-11-29 05:20:04,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2023-11-29 05:20:04,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2023-11-29 05:20:04,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2023-11-29 05:20:04,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2023-11-29 05:20:04,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2023-11-29 05:20:04,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2023-11-29 05:20:04,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2023-11-29 05:20:04,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2023-11-29 05:20:04,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2023-11-29 05:20:04,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2023-11-29 05:20:04,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2023-11-29 05:20:04,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2023-11-29 05:20:04,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2023-11-29 05:20:04,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 05:20:04,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-29 05:20:04,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-29 05:20:04,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-29 05:20:04,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-29 05:20:04,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-11-29 05:20:04,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-11-29 05:20:04,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 05:20:04,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2023-11-29 05:20:04,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2023-11-29 05:20:04,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2023-11-29 05:20:04,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2023-11-29 05:20:04,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2023-11-29 05:20:04,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2023-11-29 05:20:04,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2023-11-29 05:20:04,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-29 05:20:04,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-29 05:20:04,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-29 05:20:04,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-29 05:20:04,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-11-29 05:20:04,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-11-29 05:20:04,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2023-11-29 05:20:04,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:20:04,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:20:04,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-29 05:20:04,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-29 05:20:04,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-29 05:20:04,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-11-29 05:20:04,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-11-29 05:20:04,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-11-29 05:20:04,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2023-11-29 05:20:04,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 05:20:04,628 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:20:04,630 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:20:10,437 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:20:10,468 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:20:10,469 INFO L309 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-29 05:20:10,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:20:10 BoogieIcfgContainer [2023-11-29 05:20:10,469 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:20:10,473 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:20:10,473 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:20:10,476 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:20:10,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:20:03" (1/3) ... [2023-11-29 05:20:10,477 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc6e9d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:20:10, skipping insertion in model container [2023-11-29 05:20:10,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:20:04" (2/3) ... [2023-11-29 05:20:10,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc6e9d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:20:10, skipping insertion in model container [2023-11-29 05:20:10,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:20:10" (3/3) ... [2023-11-29 05:20:10,479 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1131a.c [2023-11-29 05:20:10,500 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:20:10,500 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:20:10,548 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:20:10,556 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7cff2414, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:20:10,556 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:20:10,561 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 51 states have (on average 1.9019607843137254) internal successors, (97), 52 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:20:10,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-29 05:20:10,567 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:20:10,568 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:20:10,569 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:20:10,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:20:10,574 INFO L85 PathProgramCache]: Analyzing trace with hash -369621293, now seen corresponding path program 1 times [2023-11-29 05:20:10,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:20:10,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [542532089] [2023-11-29 05:20:10,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:20:10,588 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:20:10,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:20:10,590 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 05:20:10,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-29 05:20:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:20:11,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 05:20:11,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:20:11,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:20:11,531 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:20:11,532 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:20:11,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [542532089] [2023-11-29 05:20:11,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [542532089] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:20:11,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:20:11,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:20:11,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306428588] [2023-11-29 05:20:11,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:20:11,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 05:20:11,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:20:11,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 05:20:11,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:20:11,570 INFO L87 Difference]: Start difference. First operand has 53 states, 51 states have (on average 1.9019607843137254) internal successors, (97), 52 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 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) [2023-11-29 05:20:11,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:20:11,700 INFO L93 Difference]: Finished difference Result 105 states and 193 transitions. [2023-11-29 05:20:11,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 05:20:11,702 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 [2023-11-29 05:20:11,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:20:11,713 INFO L225 Difference]: With dead ends: 105 [2023-11-29 05:20:11,713 INFO L226 Difference]: Without dead ends: 50 [2023-11-29 05:20:11,716 INFO L412 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 [2023-11-29 05:20:11,720 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:20:11,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:20:11,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-29 05:20:11,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-29 05:20:11,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 49 states have (on average 1.5510204081632653) internal successors, (76), 49 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:20:11,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 76 transitions. [2023-11-29 05:20:11,758 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 76 transitions. Word has length 11 [2023-11-29 05:20:11,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:20:11,758 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 76 transitions. [2023-11-29 05:20:11,759 INFO L496 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) [2023-11-29 05:20:11,759 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 76 transitions. [2023-11-29 05:20:11,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-29 05:20:11,760 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:20:11,760 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:20:11,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 05:20:11,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:20:11,961 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:20:11,961 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:20:11,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1894178821, now seen corresponding path program 1 times [2023-11-29 05:20:11,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:20:11,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [539449297] [2023-11-29 05:20:11,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:20:11,963 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:20:11,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:20:11,964 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 05:20:11,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-29 05:20:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:20:12,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-29 05:20:12,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:20:23,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:20:23,550 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:20:23,550 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:20:23,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [539449297] [2023-11-29 05:20:23,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [539449297] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:20:23,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:20:23,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 05:20:23,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710213577] [2023-11-29 05:20:23,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:20:23,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 05:20:23,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:20:23,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 05:20:23,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=55, Unknown=2, NotChecked=0, Total=72 [2023-11-29 05:20:23,556 INFO L87 Difference]: Start difference. First operand 50 states and 76 transitions. Second operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:20:28,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:20:33,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:20:37,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:20:57,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:21:01,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:21:05,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:21:09,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:21:13,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:21:17,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:21:17,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:21:17,669 INFO L93 Difference]: Finished difference Result 54 states and 79 transitions. [2023-11-29 05:21:17,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:21:17,670 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 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 14 [2023-11-29 05:21:17,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:21:17,671 INFO L225 Difference]: With dead ends: 54 [2023-11-29 05:21:17,671 INFO L226 Difference]: Without dead ends: 17 [2023-11-29 05:21:17,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 26.7s TimeCoverageRelationStatistics Valid=33, Invalid=117, Unknown=6, NotChecked=0, Total=156 [2023-11-29 05:21:17,673 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 15 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 2 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:21:17,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 34 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 9 Unknown, 0 Unchecked, 37.0s Time] [2023-11-29 05:21:17,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2023-11-29 05:21:17,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2023-11-29 05:21:17,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.0) internal successors, (16), 16 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:21:17,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 16 transitions. [2023-11-29 05:21:17,677 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 16 transitions. Word has length 14 [2023-11-29 05:21:17,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:21:17,677 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 16 transitions. [2023-11-29 05:21:17,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:21:17,677 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2023-11-29 05:21:17,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-29 05:21:17,678 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:21:17,678 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:21:17,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/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)] Ended with exit code 0 [2023-11-29 05:21:17,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:21:17,879 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:21:17,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:21:17,879 INFO L85 PathProgramCache]: Analyzing trace with hash -907032224, now seen corresponding path program 1 times [2023-11-29 05:21:17,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:21:17,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1761155082] [2023-11-29 05:21:17,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:21:17,880 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:21:17,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:21:17,881 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 05:21:17,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-29 05:21:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:21:18,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 05:21:18,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:21:19,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:21:19,578 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:21:19,578 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:21:19,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1761155082] [2023-11-29 05:21:19,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1761155082] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:21:19,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:21:19,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:21:19,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063931722] [2023-11-29 05:21:19,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:21:19,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:21:19,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:21:19,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:21:19,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:21:19,581 INFO L87 Difference]: Start difference. First operand 17 states and 16 transitions. Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:21:20,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:21:20,576 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2023-11-29 05:21:20,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 05:21:20,576 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 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 16 [2023-11-29 05:21:20,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:21:20,577 INFO L225 Difference]: With dead ends: 17 [2023-11-29 05:21:20,577 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 05:21:20,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-29 05:21:20,579 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 4 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:21:20,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 41 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 05:21:20,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 05:21:20,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 05:21:20,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:21:20,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 05:21:20,581 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2023-11-29 05:21:20,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:21:20,582 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 05:21:20,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:21:20,582 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 05:21:20,582 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 05:21:20,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 05:21:20,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-29 05:21:20,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:21:20,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 05:21:28,994 WARN L293 SmtUtils]: Spent 8.20s on a formula simplification. DAG size of input: 55 DAG size of output: 52 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-11-29 05:21:29,292 INFO L899 garLoopResultBuilder]: For program point L35-2(lines 35 40) no Hoare annotation was computed. [2023-11-29 05:21:29,292 INFO L895 garLoopResultBuilder]: At program point L68-3(lines 68 69) the Hoare annotation is: false [2023-11-29 05:21:29,292 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 194) no Hoare annotation was computed. [2023-11-29 05:21:29,293 INFO L899 garLoopResultBuilder]: For program point L185-2(lines 185 194) no Hoare annotation was computed. [2023-11-29 05:21:29,293 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 136 141) no Hoare annotation was computed. [2023-11-29 05:21:29,293 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 103 117) no Hoare annotation was computed. [2023-11-29 05:21:29,293 INFO L895 garLoopResultBuilder]: At program point L136-2(lines 136 141) the Hoare annotation is: false [2023-11-29 05:21:29,293 INFO L899 garLoopResultBuilder]: For program point L103-3(lines 103 117) no Hoare annotation was computed. [2023-11-29 05:21:29,293 INFO L899 garLoopResultBuilder]: For program point L120(lines 120 121) no Hoare annotation was computed. [2023-11-29 05:21:29,294 INFO L899 garLoopResultBuilder]: For program point L120-2(lines 25 163) no Hoare annotation was computed. [2023-11-29 05:21:29,294 INFO L895 garLoopResultBuilder]: At program point L71-3(lines 71 72) the Hoare annotation is: false [2023-11-29 05:21:29,294 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 159) no Hoare annotation was computed. [2023-11-29 05:21:29,294 INFO L895 garLoopResultBuilder]: At program point L154-1(lines 154 159) the Hoare annotation is: false [2023-11-29 05:21:29,294 INFO L899 garLoopResultBuilder]: For program point L154-2(lines 154 159) no Hoare annotation was computed. [2023-11-29 05:21:29,294 INFO L899 garLoopResultBuilder]: For program point L55(lines 25 163) no Hoare annotation was computed. [2023-11-29 05:21:29,294 INFO L899 garLoopResultBuilder]: For program point L122-1(lines 25 163) no Hoare annotation was computed. [2023-11-29 05:21:29,295 INFO L899 garLoopResultBuilder]: For program point L56(lines 56 62) no Hoare annotation was computed. [2023-11-29 05:21:29,295 INFO L899 garLoopResultBuilder]: For program point L106(lines 106 107) no Hoare annotation was computed. [2023-11-29 05:21:29,295 INFO L899 garLoopResultBuilder]: For program point L106-2(lines 103 117) no Hoare annotation was computed. [2023-11-29 05:21:29,295 INFO L895 garLoopResultBuilder]: At program point L57-3(lines 57 58) the Hoare annotation is: false [2023-11-29 05:21:29,295 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 05:21:29,295 INFO L899 garLoopResultBuilder]: For program point L190(lines 190 193) no Hoare annotation was computed. [2023-11-29 05:21:29,295 INFO L895 garLoopResultBuilder]: At program point L108-1(lines 103 117) the Hoare annotation is: false [2023-11-29 05:21:29,296 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2023-11-29 05:21:29,296 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2023-11-29 05:21:29,296 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 89 100) no Hoare annotation was computed. [2023-11-29 05:21:29,296 INFO L895 garLoopResultBuilder]: At program point L60-3(lines 60 61) the Hoare annotation is: false [2023-11-29 05:21:29,296 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 175 197) no Hoare annotation was computed. [2023-11-29 05:21:29,296 INFO L899 garLoopResultBuilder]: For program point fmod_double_returnLabel#1(lines 25 163) no Hoare annotation was computed. [2023-11-29 05:21:29,296 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 153) no Hoare annotation was computed. [2023-11-29 05:21:29,297 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 47) no Hoare annotation was computed. [2023-11-29 05:21:29,297 INFO L899 garLoopResultBuilder]: For program point L29-1(lines 29 34) no Hoare annotation was computed. [2023-11-29 05:21:29,297 INFO L895 garLoopResultBuilder]: At program point L29-2(lines 29 34) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_fmod_double_~y#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))) (= |ULTIMATE.start_fmod_double_~x#1| |ULTIMATE.start_main_~x~0#1|) (exists ((|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) |ULTIMATE.start_main_~x~0#1|)))) [2023-11-29 05:21:29,297 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 113) no Hoare annotation was computed. [2023-11-29 05:21:29,298 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 05:21:29,298 INFO L895 garLoopResultBuilder]: At program point L129-2(lines 129 133) the Hoare annotation is: false [2023-11-29 05:21:29,298 INFO L899 garLoopResultBuilder]: For program point L129-3(lines 25 163) no Hoare annotation was computed. [2023-11-29 05:21:29,298 INFO L899 garLoopResultBuilder]: For program point L147(lines 147 153) no Hoare annotation was computed. [2023-11-29 05:21:29,298 INFO L899 garLoopResultBuilder]: For program point L81(lines 81 87) no Hoare annotation was computed. [2023-11-29 05:21:29,298 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 53) no Hoare annotation was computed. [2023-11-29 05:21:29,298 INFO L899 garLoopResultBuilder]: For program point L81-2(lines 25 163) no Hoare annotation was computed. [2023-11-29 05:21:29,298 INFO L899 garLoopResultBuilder]: For program point L48-2(lines 25 163) no Hoare annotation was computed. [2023-11-29 05:21:29,299 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 191) no Hoare annotation was computed. [2023-11-29 05:21:29,299 INFO L899 garLoopResultBuilder]: For program point L49(lines 49 50) no Hoare annotation was computed. [2023-11-29 05:21:29,299 INFO L899 garLoopResultBuilder]: For program point L66(lines 25 163) no Hoare annotation was computed. [2023-11-29 05:21:29,299 INFO L899 garLoopResultBuilder]: For program point L67(lines 67 73) no Hoare annotation was computed. [2023-11-29 05:21:29,299 INFO L899 garLoopResultBuilder]: For program point L51(lines 51 52) no Hoare annotation was computed. [2023-11-29 05:21:29,299 INFO L899 garLoopResultBuilder]: For program point L167-1(lines 167 171) no Hoare annotation was computed. [2023-11-29 05:21:29,299 INFO L899 garLoopResultBuilder]: For program point L134(lines 134 161) no Hoare annotation was computed. [2023-11-29 05:21:29,299 INFO L895 garLoopResultBuilder]: At program point L167-2(lines 167 171) the Hoare annotation is: (and (= |ULTIMATE.start_isfinite_double_~x#1| |ULTIMATE.start_main_~x~0#1|) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_main_~y~0#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) [2023-11-29 05:21:29,299 INFO L899 garLoopResultBuilder]: For program point L167-3(lines 167 171) no Hoare annotation was computed. [2023-11-29 05:21:29,300 INFO L899 garLoopResultBuilder]: For program point L35(lines 35 40) no Hoare annotation was computed. [2023-11-29 05:21:29,300 INFO L895 garLoopResultBuilder]: At program point L35-1(lines 35 40) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_16| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_17| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_16|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_16|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_16|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_17|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_17|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_17|))) (= |ULTIMATE.start_fmod_double_~hx~0#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_17|)) (not (= (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_16|)) (_ bv2148532224 32)) (_ bv31 32)) (_ bv0 32))))) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_fmod_double_~y#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))) (= |ULTIMATE.start_fmod_double_~x#1| |ULTIMATE.start_main_~x~0#1|) (exists ((|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64))) (and (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (_ bv2148532224 32)) (_ bv31 32)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) |ULTIMATE.start_main_~x~0#1|)))) [2023-11-29 05:21:29,303 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-29 05:21:29,305 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 05:21:29,317 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_16 : bv64, v_skolemized_q#valueAsBitvector_17 : bv64 :: (~fp~64(v_skolemized_q#valueAsBitvector_16[63:63], v_skolemized_q#valueAsBitvector_16[62:52], v_skolemized_q#valueAsBitvector_16[51:0]) == ~fp~64(v_skolemized_q#valueAsBitvector_17[63:63], v_skolemized_q#valueAsBitvector_17[62:52], v_skolemized_q#valueAsBitvector_17[51:0]) && ~hx~0 == v_skolemized_q#valueAsBitvector_17[63:32]) && !(~bvlshr~32(~bvadd~32(~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_16[63:32]), 2148532224bv32), 31bv32) == 0bv32)) could not be translated [2023-11-29 05:21:29,317 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-29 05:21:29,318 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_23 : bv64 :: !(0bv32 == ~bvlshr~32(~bvadd~32(~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_23[63:32]), 2148532224bv32), 31bv32)) && ~fp~64(v_skolemized_q#valueAsBitvector_23[63:63], v_skolemized_q#valueAsBitvector_23[62:52], v_skolemized_q#valueAsBitvector_23[51:0]) == ~x~0) could not be translated [2023-11-29 05:21:29,319 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y~0 == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-29 05:21:29,319 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-29 05:21:29,319 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_23 : bv64 :: !(0bv32 == ~bvlshr~32(~bvadd~32(~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_23[63:32]), 2148532224bv32), 31bv32)) && ~fp~64(v_skolemized_q#valueAsBitvector_23[63:63], v_skolemized_q#valueAsBitvector_23[62:52], v_skolemized_q#valueAsBitvector_23[51:0]) == ~x~0) could not be translated [2023-11-29 05:21:29,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:21:29 BoogieIcfgContainer [2023-11-29 05:21:29,320 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:21:29,320 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:21:29,320 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:21:29,320 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:21:29,321 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:20:10" (3/4) ... [2023-11-29 05:21:29,322 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 05:21:29,331 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-29 05:21:29,332 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-29 05:21:29,332 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 05:21:29,332 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 05:21:29,416 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 05:21:29,417 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 05:21:29,417 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:21:29,418 INFO L158 Benchmark]: Toolchain (without parser) took 85549.06ms. Allocated memory was 81.8MB in the beginning and 117.4MB in the end (delta: 35.7MB). Free memory was 37.1MB in the beginning and 62.4MB in the end (delta: -25.3MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2023-11-29 05:21:29,418 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 81.8MB. Free memory was 58.4MB in the beginning and 58.3MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:21:29,418 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.57ms. Allocated memory is still 81.8MB. Free memory was 36.8MB in the beginning and 53.6MB in the end (delta: -16.8MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2023-11-29 05:21:29,419 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.41ms. Allocated memory is still 81.8MB. Free memory was 53.6MB in the beginning and 51.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:21:29,419 INFO L158 Benchmark]: Boogie Preprocessor took 78.76ms. Allocated memory is still 81.8MB. Free memory was 51.2MB in the beginning and 47.3MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 05:21:29,419 INFO L158 Benchmark]: RCFGBuilder took 6049.87ms. Allocated memory was 81.8MB in the beginning and 117.4MB in the end (delta: 35.7MB). Free memory was 47.0MB in the beginning and 83.0MB in the end (delta: -36.0MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2023-11-29 05:21:29,420 INFO L158 Benchmark]: TraceAbstraction took 78847.15ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 67.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2023-11-29 05:21:29,420 INFO L158 Benchmark]: Witness Printer took 96.72ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 62.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 05:21:29,422 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 81.8MB. Free memory was 58.4MB in the beginning and 58.3MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 414.57ms. Allocated memory is still 81.8MB. Free memory was 36.8MB in the beginning and 53.6MB in the end (delta: -16.8MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.41ms. Allocated memory is still 81.8MB. Free memory was 53.6MB in the beginning and 51.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.76ms. Allocated memory is still 81.8MB. Free memory was 51.2MB in the beginning and 47.3MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 6049.87ms. Allocated memory was 81.8MB in the beginning and 117.4MB in the end (delta: 35.7MB). Free memory was 47.0MB in the beginning and 83.0MB in the end (delta: -36.0MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * TraceAbstraction took 78847.15ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 67.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Witness Printer took 96.72ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 62.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_16 : bv64, v_skolemized_q#valueAsBitvector_17 : bv64 :: (~fp~64(v_skolemized_q#valueAsBitvector_16[63:63], v_skolemized_q#valueAsBitvector_16[62:52], v_skolemized_q#valueAsBitvector_16[51:0]) == ~fp~64(v_skolemized_q#valueAsBitvector_17[63:63], v_skolemized_q#valueAsBitvector_17[62:52], v_skolemized_q#valueAsBitvector_17[51:0]) && ~hx~0 == v_skolemized_q#valueAsBitvector_17[63:32]) && !(~bvlshr~32(~bvadd~32(~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_16[63:32]), 2148532224bv32), 31bv32) == 0bv32)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_23 : bv64 :: !(0bv32 == ~bvlshr~32(~bvadd~32(~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_23[63:32]), 2148532224bv32), 31bv32)) && ~fp~64(v_skolemized_q#valueAsBitvector_23[63:63], v_skolemized_q#valueAsBitvector_23[62:52], v_skolemized_q#valueAsBitvector_23[51:0]) == ~x~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y~0 == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~y == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_23 : bv64 :: !(0bv32 == ~bvlshr~32(~bvadd~32(~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_23[63:32]), 2148532224bv32), 31bv32)) && ~fp~64(v_skolemized_q#valueAsBitvector_23[63:63], v_skolemized_q#valueAsBitvector_23[62:52], v_skolemized_q#valueAsBitvector_23[51:0]) == ~x~0) could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 191]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 78.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 55.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 37.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 148 SdHoareTripleChecker+Invalid, 37.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 62 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 106 IncrementalHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 86 mSDtfsCounter, 106 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 28.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 14 NumberOfFragments, 123 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 44 FormulaSimplificationTreeSizeReductionInter, 8.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 12.2s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 38 ConstructedInterpolants, 23 QuantifiedInterpolants, 716 SizeOfPredicates, 26 NumberOfNonLiveVariables, 221 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: (x == x) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (x == x) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (x == x) RESULT: Ultimate proved your program to be correct! [2023-11-29 05:21:29,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef25467-33d6-43bd-a228-73fa0d4b737d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE