./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.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_a73f918f-fab2-422c-a612-41d40a6314db/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/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_a73f918f-fab2-422c-a612-41d40a6314db/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/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_a73f918f-fab2-422c-a612-41d40a6314db/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 72455efc81eec5ddd76b20b40b527abca0a7be39904d76400cfd4c88dae80563 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:50:11,404 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:50:11,467 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 02:50:11,472 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:50:11,473 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:50:11,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:50:11,498 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:50:11,499 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:50:11,500 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:50:11,500 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:50:11,501 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:50:11,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:50:11,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:50:11,502 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:50:11,503 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:50:11,503 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:50:11,504 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:50:11,504 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:50:11,505 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:50:11,505 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:50:11,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:50:11,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:50:11,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:50:11,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:50:11,508 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:50:11,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:50:11,508 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:50:11,509 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:50:11,509 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:50:11,510 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:50:11,510 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:50:11,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:50:11,511 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:50:11,511 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:50:11,511 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:50:11,512 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:50:11,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:50:11,512 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:50:11,512 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:50:11,513 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:50:11,513 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:50:11,513 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:50:11,513 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_a73f918f-fab2-422c-a612-41d40a6314db/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72455efc81eec5ddd76b20b40b527abca0a7be39904d76400cfd4c88dae80563 [2023-11-29 02:50:11,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:50:11,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:50:11,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:50:11,781 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:50:11,782 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:50:11,783 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2023-11-29 02:50:14,557 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:50:14,718 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:50:14,719 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2023-11-29 02:50:14,726 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/bin/uautomizer-verify-BQ2R08f2Ya/data/25368acfc/4f9865651b7e4495af779bbccfb70585/FLAGdd2a31364 [2023-11-29 02:50:14,738 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/bin/uautomizer-verify-BQ2R08f2Ya/data/25368acfc/4f9865651b7e4495af779bbccfb70585 [2023-11-29 02:50:14,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:50:14,742 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:50:14,743 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:50:14,743 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:50:14,747 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:50:14,747 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:50:14" (1/1) ... [2023-11-29 02:50:14,748 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dc6887b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:14, skipping insertion in model container [2023-11-29 02:50:14,749 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:50:14" (1/1) ... [2023-11-29 02:50:14,771 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:50:14,909 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_a73f918f-fab2-422c-a612-41d40a6314db/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c[2110,2123] [2023-11-29 02:50:14,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:50:14,923 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:50:14,949 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_a73f918f-fab2-422c-a612-41d40a6314db/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c[2110,2123] [2023-11-29 02:50:14,950 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:50:14,965 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:50:14,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:14 WrapperNode [2023-11-29 02:50:14,965 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:50:14,966 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:50:14,966 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:50:14,966 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:50:14,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:14" (1/1) ... [2023-11-29 02:50:14,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:14" (1/1) ... [2023-11-29 02:50:15,001 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 160 [2023-11-29 02:50:15,001 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:50:15,002 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:50:15,002 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:50:15,002 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:50:15,013 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:14" (1/1) ... [2023-11-29 02:50:15,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:14" (1/1) ... [2023-11-29 02:50:15,016 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:14" (1/1) ... [2023-11-29 02:50:15,029 INFO L175 MemorySlicer]: Split 8 memory accesses to 3 slices as follows [2, 3, 3]. 38 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 3 writes are split as follows [0, 1, 2]. [2023-11-29 02:50:15,030 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:14" (1/1) ... [2023-11-29 02:50:15,030 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:14" (1/1) ... [2023-11-29 02:50:15,038 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:14" (1/1) ... [2023-11-29 02:50:15,041 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:14" (1/1) ... [2023-11-29 02:50:15,043 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:14" (1/1) ... [2023-11-29 02:50:15,044 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:14" (1/1) ... [2023-11-29 02:50:15,047 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:50:15,047 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:50:15,047 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:50:15,048 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:50:15,048 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:14" (1/1) ... [2023-11-29 02:50:15,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:50:15,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:50:15,077 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:50:15,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:50:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:50:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 02:50:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 02:50:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 02:50:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 02:50:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-29 02:50:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-29 02:50:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-11-29 02:50:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 02:50:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 02:50:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 02:50:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-29 02:50:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-29 02:50:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-11-29 02:50:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:50:15,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:50:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 02:50:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 02:50:15,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 02:50:15,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 02:50:15,213 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:50:15,215 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:50:15,477 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:50:15,496 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:50:15,497 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-29 02:50:15,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:50:15 BoogieIcfgContainer [2023-11-29 02:50:15,497 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:50:15,500 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:50:15,500 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:50:15,503 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:50:15,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:50:14" (1/3) ... [2023-11-29 02:50:15,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44ff83bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:50:15, skipping insertion in model container [2023-11-29 02:50:15,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:14" (2/3) ... [2023-11-29 02:50:15,505 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44ff83bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:50:15, skipping insertion in model container [2023-11-29 02:50:15,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:50:15" (3/3) ... [2023-11-29 02:50:15,506 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092a.c [2023-11-29 02:50:15,525 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:50:15,525 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:50:15,574 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:50:15,581 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;@1bd4cb8c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:50:15,581 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:50:15,585 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 49 states have (on average 1.7551020408163265) internal successors, (86), 50 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:15,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-29 02:50:15,591 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:50:15,591 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:50:15,592 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:50:15,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:50:15,596 INFO L85 PathProgramCache]: Analyzing trace with hash 596280183, now seen corresponding path program 1 times [2023-11-29 02:50:15,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:50:15,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792162392] [2023-11-29 02:50:15,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:50:15,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:50:15,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:15,719 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 02:50:15,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:50:15,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792162392] [2023-11-29 02:50:15,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792162392] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:50:15,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:50:15,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:50:15,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636478105] [2023-11-29 02:50:15,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:50:15,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:50:15,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:50:15,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:50:15,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:50:15,754 INFO L87 Difference]: Start difference. First operand has 51 states, 49 states have (on average 1.7551020408163265) internal successors, (86), 50 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:15,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:50:15,800 INFO L93 Difference]: Finished difference Result 101 states and 171 transitions. [2023-11-29 02:50:15,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:50:15,802 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-29 02:50:15,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:50:15,809 INFO L225 Difference]: With dead ends: 101 [2023-11-29 02:50:15,809 INFO L226 Difference]: Without dead ends: 49 [2023-11-29 02:50:15,811 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 02:50:15,814 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:50:15,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:50:15,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-29 02:50:15,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-29 02:50:15,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.6458333333333333) internal successors, (79), 48 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:15,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 79 transitions. [2023-11-29 02:50:15,861 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 79 transitions. Word has length 9 [2023-11-29 02:50:15,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:50:15,862 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 79 transitions. [2023-11-29 02:50:15,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:15,862 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 79 transitions. [2023-11-29 02:50:15,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-29 02:50:15,863 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:50:15,863 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:50:15,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:50:15,864 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:50:15,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:50:15,865 INFO L85 PathProgramCache]: Analyzing trace with hash -361780120, now seen corresponding path program 1 times [2023-11-29 02:50:15,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:50:15,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809938554] [2023-11-29 02:50:15,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:50:15,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:50:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:50:15,912 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:50:15,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:50:15,959 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 02:50:15,959 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 02:50:15,961 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 02:50:15,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 02:50:15,966 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-29 02:50:15,969 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:50:15,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:50:15 BoogieIcfgContainer [2023-11-29 02:50:15,991 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:50:15,992 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:50:15,992 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:50:15,992 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:50:15,992 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:50:15" (3/4) ... [2023-11-29 02:50:15,994 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 02:50:15,996 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:50:15,997 INFO L158 Benchmark]: Toolchain (without parser) took 1254.66ms. Allocated memory was 144.7MB in the beginning and 190.8MB in the end (delta: 46.1MB). Free memory was 106.2MB in the beginning and 151.7MB in the end (delta: -45.5MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. [2023-11-29 02:50:15,997 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 144.7MB. Free memory was 115.1MB in the beginning and 114.9MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:50:15,998 INFO L158 Benchmark]: CACSL2BoogieTranslator took 222.74ms. Allocated memory is still 144.7MB. Free memory was 105.8MB in the beginning and 94.4MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 02:50:15,998 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.33ms. Allocated memory is still 144.7MB. Free memory was 94.4MB in the beginning and 92.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:50:15,999 INFO L158 Benchmark]: Boogie Preprocessor took 44.90ms. Allocated memory is still 144.7MB. Free memory was 92.3MB in the beginning and 89.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:50:15,999 INFO L158 Benchmark]: RCFGBuilder took 450.20ms. Allocated memory is still 144.7MB. Free memory was 89.4MB in the beginning and 70.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 02:50:16,000 INFO L158 Benchmark]: TraceAbstraction took 490.93ms. Allocated memory was 144.7MB in the beginning and 190.8MB in the end (delta: 46.1MB). Free memory was 69.7MB in the beginning and 152.8MB in the end (delta: -83.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:50:16,000 INFO L158 Benchmark]: Witness Printer took 4.13ms. Allocated memory is still 190.8MB. Free memory was 152.8MB in the beginning and 151.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:50:16,003 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 144.7MB. Free memory was 115.1MB in the beginning and 114.9MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 222.74ms. Allocated memory is still 144.7MB. Free memory was 105.8MB in the beginning and 94.4MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.33ms. Allocated memory is still 144.7MB. Free memory was 94.4MB in the beginning and 92.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.90ms. Allocated memory is still 144.7MB. Free memory was 92.3MB in the beginning and 89.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 450.20ms. Allocated memory is still 144.7MB. Free memory was 89.4MB in the beginning and 70.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 490.93ms. Allocated memory was 144.7MB in the beginning and 190.8MB in the end (delta: 46.1MB). Free memory was 69.7MB in the beginning and 152.8MB in the end (delta: -83.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.13ms. Allocated memory is still 190.8MB. Free memory was 152.8MB in the beginning and 151.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.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: 98]: 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 97, overapproximation of someUnaryDOUBLEoperation at line 93, overapproximation of someBinaryArithmeticDOUBLEoperation at line 55. Possible FailurePath: [L19] static const double huge_ceil = 1.0e300; [L93] double x = -0.0; [L94] CALL, EXPR ceil_double(x) [L22] __int32_t i0, i1, j0; [L23] __uint32_t i, j; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008] [L25] ieee_double_shape_type ew_u; [L26] EXPR ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] EXPR (i0) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] EXPR (i1) = ew_u.parts.lsw [L24-L29] { ieee_double_shape_type ew_u; ew_u.value = (x); (i0) = ew_u.parts.msw; (i1) = ew_u.parts.lsw; } VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=2147483647, i1=0, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008] [L30] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=2147483647, i1=0, j0=1024, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008] [L31] COND FALSE !(j0 < 20) VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=2147483647, i1=0, j0=1024, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008] [L53] COND TRUE j0 > 51 VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=2147483647, i1=0, j0=1024, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008] [L54] COND TRUE j0 == 0x400 [L55] return x + x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=2147483647, i1=0, j0=1024, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008] [L94] RET, EXPR ceil_double(x) [L94] double res = ceil_double(x); [L97] COND TRUE res != x VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008] [L98] reach_error() VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 79 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 79 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 02:50:16,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/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_a73f918f-fab2-422c-a612-41d40a6314db/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/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_a73f918f-fab2-422c-a612-41d40a6314db/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/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_a73f918f-fab2-422c-a612-41d40a6314db/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 72455efc81eec5ddd76b20b40b527abca0a7be39904d76400cfd4c88dae80563 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:50:17,907 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:50:17,976 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 02:50:17,993 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:50:17,994 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:50:18,022 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:50:18,023 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:50:18,024 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:50:18,024 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:50:18,025 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:50:18,025 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:50:18,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:50:18,027 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:50:18,027 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:50:18,028 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:50:18,028 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:50:18,029 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:50:18,029 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:50:18,030 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:50:18,030 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:50:18,031 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:50:18,032 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:50:18,032 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:50:18,033 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 02:50:18,033 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 02:50:18,033 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 02:50:18,034 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:50:18,034 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:50:18,035 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:50:18,035 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:50:18,036 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:50:18,036 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:50:18,036 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:50:18,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:50:18,037 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:50:18,037 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:50:18,037 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:50:18,038 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 02:50:18,038 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 02:50:18,038 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:50:18,038 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:50:18,039 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:50:18,039 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:50:18,039 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:50:18,039 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 02:50:18,039 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_a73f918f-fab2-422c-a612-41d40a6314db/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72455efc81eec5ddd76b20b40b527abca0a7be39904d76400cfd4c88dae80563 [2023-11-29 02:50:18,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:50:18,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:50:18,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:50:18,347 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:50:18,347 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:50:18,349 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2023-11-29 02:50:21,168 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:50:21,372 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:50:21,372 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2023-11-29 02:50:21,380 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/bin/uautomizer-verify-BQ2R08f2Ya/data/f30ff0429/8d140b701adc431d9c8fbe7683556afd/FLAGa938041b6 [2023-11-29 02:50:21,392 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/bin/uautomizer-verify-BQ2R08f2Ya/data/f30ff0429/8d140b701adc431d9c8fbe7683556afd [2023-11-29 02:50:21,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:50:21,396 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:50:21,398 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:50:21,398 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:50:21,402 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:50:21,402 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:50:21" (1/1) ... [2023-11-29 02:50:21,403 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa45889 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:21, skipping insertion in model container [2023-11-29 02:50:21,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:50:21" (1/1) ... [2023-11-29 02:50:21,424 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:50:21,567 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_a73f918f-fab2-422c-a612-41d40a6314db/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c[2110,2123] [2023-11-29 02:50:21,571 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:50:21,585 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:50:21,611 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_a73f918f-fab2-422c-a612-41d40a6314db/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c[2110,2123] [2023-11-29 02:50:21,611 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:50:21,628 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:50:21,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:21 WrapperNode [2023-11-29 02:50:21,629 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:50:21,630 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:50:21,630 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:50:21,630 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:50:21,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:21" (1/1) ... [2023-11-29 02:50:21,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:21" (1/1) ... [2023-11-29 02:50:21,668 INFO L138 Inliner]: procedures = 19, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 95 [2023-11-29 02:50:21,668 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:50:21,669 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:50:21,669 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:50:21,669 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:50:21,680 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:21" (1/1) ... [2023-11-29 02:50:21,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:21" (1/1) ... [2023-11-29 02:50:21,683 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:21" (1/1) ... [2023-11-29 02:50:21,699 INFO L175 MemorySlicer]: Split 8 memory accesses to 3 slices as follows [2, 3, 3]. 38 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 3 writes are split as follows [0, 2, 1]. [2023-11-29 02:50:21,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:21" (1/1) ... [2023-11-29 02:50:21,699 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:21" (1/1) ... [2023-11-29 02:50:21,710 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:21" (1/1) ... [2023-11-29 02:50:21,714 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:21" (1/1) ... [2023-11-29 02:50:21,716 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:21" (1/1) ... [2023-11-29 02:50:21,718 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:21" (1/1) ... [2023-11-29 02:50:21,722 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:50:21,723 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:50:21,724 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:50:21,724 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:50:21,725 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:21" (1/1) ... [2023-11-29 02:50:21,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:50:21,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:50:21,751 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:50:21,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:50:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:50:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2023-11-29 02:50:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2023-11-29 02:50:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2023-11-29 02:50:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2023-11-29 02:50:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2023-11-29 02:50:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2023-11-29 02:50:21,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 02:50:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-29 02:50:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-29 02:50:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 02:50:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-29 02:50:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-29 02:50:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-29 02:50:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:50:21,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:50:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-29 02:50:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-29 02:50:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-29 02:50:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 02:50:21,887 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:50:21,888 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:50:23,119 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:50:23,137 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:50:23,137 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-29 02:50:23,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:50:23 BoogieIcfgContainer [2023-11-29 02:50:23,138 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:50:23,141 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:50:23,141 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:50:23,144 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:50:23,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:50:21" (1/3) ... [2023-11-29 02:50:23,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c64fdc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:50:23, skipping insertion in model container [2023-11-29 02:50:23,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:21" (2/3) ... [2023-11-29 02:50:23,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c64fdc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:50:23, skipping insertion in model container [2023-11-29 02:50:23,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:50:23" (3/3) ... [2023-11-29 02:50:23,146 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092a.c [2023-11-29 02:50:23,165 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:50:23,165 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:50:23,207 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:50:23,214 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;@20b3facf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:50:23,214 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:50:23,218 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 29 states have (on average 1.7241379310344827) internal successors, (50), 30 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:23,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-29 02:50:23,225 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:50:23,225 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:50:23,226 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:50:23,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:50:23,231 INFO L85 PathProgramCache]: Analyzing trace with hash 53048447, now seen corresponding path program 1 times [2023-11-29 02:50:23,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:50:23,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1253373446] [2023-11-29 02:50:23,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:50:23,247 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 02:50:23,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:50:23,248 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/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 02:50:23,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/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 02:50:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:23,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 02:50:23,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:50:23,343 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 02:50:23,343 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:50:23,344 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:50:23,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1253373446] [2023-11-29 02:50:23,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1253373446] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:50:23,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:50:23,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:50:23,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430699114] [2023-11-29 02:50:23,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:50:23,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:50:23,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:50:23,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:50:23,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:50:23,376 INFO L87 Difference]: Start difference. First operand has 31 states, 29 states have (on average 1.7241379310344827) internal successors, (50), 30 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:23,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:50:23,401 INFO L93 Difference]: Finished difference Result 61 states and 99 transitions. [2023-11-29 02:50:23,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:50:23,403 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-29 02:50:23,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:50:23,409 INFO L225 Difference]: With dead ends: 61 [2023-11-29 02:50:23,409 INFO L226 Difference]: Without dead ends: 29 [2023-11-29 02:50:23,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:50:23,415 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:50:23,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:50:23,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2023-11-29 02:50:23,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2023-11-29 02:50:23,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 28 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:23,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 43 transitions. [2023-11-29 02:50:23,442 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 43 transitions. Word has length 9 [2023-11-29 02:50:23,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:50:23,443 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 43 transitions. [2023-11-29 02:50:23,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:23,443 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2023-11-29 02:50:23,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-29 02:50:23,444 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:50:23,444 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:50:23,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/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 02:50:23,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/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 02:50:23,645 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:50:23,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:50:23,646 INFO L85 PathProgramCache]: Analyzing trace with hash -2009606548, now seen corresponding path program 1 times [2023-11-29 02:50:23,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:50:23,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [405044897] [2023-11-29 02:50:23,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:50:23,647 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 02:50:23,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:50:23,648 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/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 02:50:23,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/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 02:50:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:23,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 02:50:23,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:50:23,914 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 02:50:23,914 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:50:23,914 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:50:23,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [405044897] [2023-11-29 02:50:23,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [405044897] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:50:23,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:50:23,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:50:23,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572459952] [2023-11-29 02:50:23,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:50:23,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:50:23,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:50:23,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:50:23,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:50:23,918 INFO L87 Difference]: Start difference. First operand 29 states and 43 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:24,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:50:24,300 INFO L93 Difference]: Finished difference Result 36 states and 49 transitions. [2023-11-29 02:50:24,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:50:24,301 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-11-29 02:50:24,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:50:24,302 INFO L225 Difference]: With dead ends: 36 [2023-11-29 02:50:24,302 INFO L226 Difference]: Without dead ends: 15 [2023-11-29 02:50:24,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:50:24,304 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 23 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:50:24,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 14 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 02:50:24,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2023-11-29 02:50:24,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-11-29 02:50:24,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 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 02:50:24,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2023-11-29 02:50:24,309 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 10 [2023-11-29 02:50:24,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:50:24,309 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2023-11-29 02:50:24,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:24,310 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2023-11-29 02:50:24,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-29 02:50:24,310 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:50:24,310 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:50:24,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/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 02:50:24,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/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 02:50:24,511 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:50:24,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:50:24,512 INFO L85 PathProgramCache]: Analyzing trace with hash -747465636, now seen corresponding path program 1 times [2023-11-29 02:50:24,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:50:24,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [641078735] [2023-11-29 02:50:24,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:50:24,513 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 02:50:24,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:50:24,514 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/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 02:50:24,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/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 02:50:24,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:24,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 02:50:24,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:50:24,773 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 02:50:24,773 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:50:24,773 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:50:24,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [641078735] [2023-11-29 02:50:24,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [641078735] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:50:24,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:50:24,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:50:24,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687823928] [2023-11-29 02:50:24,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:50:24,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:50:24,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:50:24,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:50:24,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:50:24,776 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:24,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:50:24,851 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2023-11-29 02:50:24,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:50:24,851 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-11-29 02:50:24,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:50:24,852 INFO L225 Difference]: With dead ends: 22 [2023-11-29 02:50:24,852 INFO L226 Difference]: Without dead ends: 15 [2023-11-29 02:50:24,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:50:24,854 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 2 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:50:24,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 14 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:50:24,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2023-11-29 02:50:24,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-11-29 02:50:24,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0) internal successors, (14), 14 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 02:50:24,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2023-11-29 02:50:24,859 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 13 [2023-11-29 02:50:24,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:50:24,859 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2023-11-29 02:50:24,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:24,859 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2023-11-29 02:50:24,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-29 02:50:24,860 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:50:24,860 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:50:24,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/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)] Forceful destruction successful, exit code 0 [2023-11-29 02:50:25,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/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 02:50:25,061 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:50:25,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:50:25,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1679167898, now seen corresponding path program 1 times [2023-11-29 02:50:25,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:50:25,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1500583776] [2023-11-29 02:50:25,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:50:25,062 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 02:50:25,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:50:25,063 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/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 02:50:25,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/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 (5)] Waiting until timeout for monitored process [2023-11-29 02:50:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:25,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 02:50:25,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:50:25,356 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 02:50:25,356 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:50:25,356 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:50:25,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1500583776] [2023-11-29 02:50:25,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1500583776] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:50:25,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:50:25,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 02:50:25,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50559726] [2023-11-29 02:50:25,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:50:25,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 02:50:25,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:50:25,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 02:50:25,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:50:25,359 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 6 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 02:50:25,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:50:25,566 INFO L93 Difference]: Finished difference Result 15 states and 14 transitions. [2023-11-29 02:50:25,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:50:25,567 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.0) internal successors, (14), 6 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 02:50:25,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:50:25,567 INFO L225 Difference]: With dead ends: 15 [2023-11-29 02:50:25,567 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 02:50:25,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-11-29 02:50:25,569 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 17 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:50:25,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 12 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:50:25,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 02:50:25,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 02:50:25,571 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 02:50:25,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 02:50:25,571 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2023-11-29 02:50:25,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:50:25,571 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 02:50:25,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.0) internal successors, (14), 6 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 02:50:25,571 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 02:50:25,572 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 02:50:25,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 02:50:25,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/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 (5)] Ended with exit code 0 [2023-11-29 02:50:25,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/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 02:50:25,786 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 02:50:25,917 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 61) no Hoare annotation was computed. [2023-11-29 02:50:25,918 INFO L899 garLoopResultBuilder]: For program point L44(lines 44 45) no Hoare annotation was computed. [2023-11-29 02:50:25,918 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 85 103) no Hoare annotation was computed. [2023-11-29 02:50:25,918 INFO L899 garLoopResultBuilder]: For program point L53(lines 53 75) no Hoare annotation was computed. [2023-11-29 02:50:25,918 INFO L899 garLoopResultBuilder]: For program point L37(lines 37 40) no Hoare annotation was computed. [2023-11-29 02:50:25,918 INFO L899 garLoopResultBuilder]: For program point L62(lines 62 74) no Hoare annotation was computed. [2023-11-29 02:50:25,918 INFO L899 garLoopResultBuilder]: For program point L54(lines 54 57) no Hoare annotation was computed. [2023-11-29 02:50:25,918 INFO L899 garLoopResultBuilder]: For program point L46(lines 46 51) no Hoare annotation was computed. [2023-11-29 02:50:25,919 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 02:50:25,919 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 72) no Hoare annotation was computed. [2023-11-29 02:50:25,919 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 63 72) no Hoare annotation was computed. [2023-11-29 02:50:25,919 INFO L899 garLoopResultBuilder]: For program point ceil_double_returnLabel#1(lines 21 83) no Hoare annotation was computed. [2023-11-29 02:50:25,919 INFO L899 garLoopResultBuilder]: For program point L47(lines 47 48) no Hoare annotation was computed. [2023-11-29 02:50:25,919 INFO L899 garLoopResultBuilder]: For program point L47-2(lines 47 48) no Hoare annotation was computed. [2023-11-29 02:50:25,919 INFO L899 garLoopResultBuilder]: For program point L97(lines 97 100) no Hoare annotation was computed. [2023-11-29 02:50:25,919 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 71) no Hoare annotation was computed. [2023-11-29 02:50:25,919 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 75) no Hoare annotation was computed. [2023-11-29 02:50:25,920 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2023-11-29 02:50:25,920 INFO L899 garLoopResultBuilder]: For program point L32(lines 32 52) no Hoare annotation was computed. [2023-11-29 02:50:25,920 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 98) no Hoare annotation was computed. [2023-11-29 02:50:25,920 INFO L899 garLoopResultBuilder]: For program point L24-1(lines 24 29) no Hoare annotation was computed. [2023-11-29 02:50:25,920 INFO L895 garLoopResultBuilder]: At program point L24-2(lines 24 29) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= |ULTIMATE.start_ceil_double_~x#1| .cse0) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_ceil~0) (= .cse0 |ULTIMATE.start_main_~x~0#1|) (= currentRoundingMode roundNearestTiesToEven))) [2023-11-29 02:50:25,920 INFO L899 garLoopResultBuilder]: For program point L24-3(lines 24 29) no Hoare annotation was computed. [2023-11-29 02:50:25,921 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 41) no Hoare annotation was computed. [2023-11-29 02:50:25,921 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 02:50:25,921 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 40) no Hoare annotation was computed. [2023-11-29 02:50:25,921 INFO L899 garLoopResultBuilder]: For program point L76(lines 76 81) no Hoare annotation was computed. [2023-11-29 02:50:25,921 INFO L895 garLoopResultBuilder]: At program point L76-1(lines 76 81) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= |ULTIMATE.start_ceil_double_~x#1| .cse0) (= |ULTIMATE.start_ceil_double_~i1~0#1| (_ bv0 32)) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_ceil~0) (= .cse0 |ULTIMATE.start_main_~x~0#1|) (exists ((|v_skolemized_q#valueAsBitvector_4| (_ BitVec 64))) (and (= .cse0 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_4|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_4|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_4|))) (= (bvadd (_ bv1023 32) |ULTIMATE.start_ceil_double_~j0~0#1|) (bvand (bvashr ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_4|) (_ bv20 32)) (_ bv2047 32))))) (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start_ceil_double_~i0~0#1| (_ bv2147483648 32)))) [2023-11-29 02:50:25,922 INFO L899 garLoopResultBuilder]: For program point L76-2(lines 76 81) no Hoare annotation was computed. [2023-11-29 02:50:25,922 INFO L899 garLoopResultBuilder]: For program point L68(lines 68 69) no Hoare annotation was computed. [2023-11-29 02:50:25,922 INFO L899 garLoopResultBuilder]: For program point L68-2(lines 68 69) no Hoare annotation was computed. [2023-11-29 02:50:25,925 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-29 02:50:25,927 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:50:25,938 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-29 02:50:25,939 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-29 02:50:25,939 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-29 02:50:25,940 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-29 02:50:25,941 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-29 02:50:25,941 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_4 : bv64 :: ~fp.neg~64(~Pluszero~64()) == ~fp~64(v_skolemized_q#valueAsBitvector_4[63:63], v_skolemized_q#valueAsBitvector_4[62:52], v_skolemized_q#valueAsBitvector_4[51:0]) && ~bvadd~32(1023bv32, ~j0~0) == ~bvand~32(~bvashr~32(v_skolemized_q#valueAsBitvector_4[63:32], 20bv32), 2047bv32)) could not be translated [2023-11-29 02:50:25,941 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-29 02:50:25,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:50:25 BoogieIcfgContainer [2023-11-29 02:50:25,942 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:50:25,942 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:50:25,942 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:50:25,942 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:50:25,943 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:50:23" (3/4) ... [2023-11-29 02:50:25,945 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 02:50:25,952 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-29 02:50:25,953 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-29 02:50:25,953 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 02:50:25,953 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 02:50:26,042 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 02:50:26,043 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 02:50:26,043 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:50:26,044 INFO L158 Benchmark]: Toolchain (without parser) took 4647.60ms. Allocated memory is still 94.4MB. Free memory was 71.0MB in the beginning and 58.5MB in the end (delta: 12.5MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2023-11-29 02:50:26,044 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 60.8MB. Free memory is still 37.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:50:26,044 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.38ms. Allocated memory is still 94.4MB. Free memory was 71.0MB in the beginning and 58.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 02:50:26,045 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.70ms. Allocated memory is still 94.4MB. Free memory was 58.9MB in the beginning and 57.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:50:26,045 INFO L158 Benchmark]: Boogie Preprocessor took 53.68ms. Allocated memory is still 94.4MB. Free memory was 57.0MB in the beginning and 54.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:50:26,045 INFO L158 Benchmark]: RCFGBuilder took 1414.59ms. Allocated memory is still 94.4MB. Free memory was 54.3MB in the beginning and 65.3MB in the end (delta: -11.0MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2023-11-29 02:50:26,046 INFO L158 Benchmark]: TraceAbstraction took 2801.21ms. Allocated memory is still 94.4MB. Free memory was 64.8MB in the beginning and 63.5MB in the end (delta: 1.4MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2023-11-29 02:50:26,046 INFO L158 Benchmark]: Witness Printer took 100.88ms. Allocated memory is still 94.4MB. Free memory was 63.5MB in the beginning and 58.5MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 02:50:26,048 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 60.8MB. Free memory is still 37.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.38ms. Allocated memory is still 94.4MB. Free memory was 71.0MB in the beginning and 58.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.70ms. Allocated memory is still 94.4MB. Free memory was 58.9MB in the beginning and 57.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.68ms. Allocated memory is still 94.4MB. Free memory was 57.0MB in the beginning and 54.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1414.59ms. Allocated memory is still 94.4MB. Free memory was 54.3MB in the beginning and 65.3MB in the end (delta: -11.0MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2801.21ms. Allocated memory is still 94.4MB. Free memory was 64.8MB in the beginning and 63.5MB in the end (delta: 1.4MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. * Witness Printer took 100.88ms. Allocated memory is still 94.4MB. Free memory was 63.5MB in the beginning and 58.5MB in the end (delta: 4.9MB). 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: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_4 : bv64 :: ~fp.neg~64(~Pluszero~64()) == ~fp~64(v_skolemized_q#valueAsBitvector_4[63:63], v_skolemized_q#valueAsBitvector_4[62:52], v_skolemized_q#valueAsBitvector_4[51:0]) && ~bvadd~32(1023bv32, ~j0~0) == ~bvand~32(~bvashr~32(v_skolemized_q#valueAsBitvector_4[63:32], 20bv32), 2047bv32)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven 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: 98]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 42 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 42 mSDsluCounter, 83 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 64 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, InterpolantAutomatonStates: 17, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 62 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 46 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 42 ConstructedInterpolants, 4 QuantifiedInterpolants, 296 SizeOfPredicates, 18 NumberOfNonLiveVariables, 177 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: ((i1 == 0) && (i0 == -2147483648)) RESULT: Ultimate proved your program to be correct! [2023-11-29 02:50:26,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73f918f-fab2-422c-a612-41d40a6314db/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