./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-nonlinear/coral-benchmark21.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-nonlinear/coral-benchmark21.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 37079fa9f01e6b0ffbbd5ec311109c1fa2a30c6c77368aa5132bbdd15ad53dd1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:02:56,463 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:02:56,561 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:02:56,568 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:02:56,568 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:02:56,606 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:02:56,607 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:02:56,607 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:02:56,608 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:02:56,609 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:02:56,610 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:02:56,610 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:02:56,612 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:02:56,613 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:02:56,613 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:02:56,614 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:02:56,614 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:02:56,614 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:02:56,614 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:02:56,615 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:02:56,615 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:02:56,619 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:02:56,619 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:02:56,620 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:02:56,620 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:02:56,620 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:02:56,620 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:02:56,630 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:02:56,630 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:02:56,630 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:02:56,631 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:02:56,631 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:02:56,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:02:56,632 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:02:56,632 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:02:56,632 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:02:56,632 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:02:56,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:02:56,634 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:02:56,635 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:02:56,635 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:02:56,636 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:02:56,636 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_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37079fa9f01e6b0ffbbd5ec311109c1fa2a30c6c77368aa5132bbdd15ad53dd1 [2024-10-31 22:02:56,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:02:56,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:02:57,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:02:57,005 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:02:57,005 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:02:57,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/floats-nonlinear/coral-benchmark21.c Unable to find full path for "g++" [2024-10-31 22:02:59,178 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:02:59,362 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:02:59,363 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/sv-benchmarks/c/floats-nonlinear/coral-benchmark21.c [2024-10-31 22:02:59,370 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU/data/0b1b03a40/8ddd9cbeedb84265b6b911ddca66c1a8/FLAG779a00429 [2024-10-31 22:02:59,383 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU/data/0b1b03a40/8ddd9cbeedb84265b6b911ddca66c1a8 [2024-10-31 22:02:59,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:02:59,387 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:02:59,389 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:02:59,389 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:02:59,395 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:02:59,396 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:02:59" (1/1) ... [2024-10-31 22:02:59,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@89a7f52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:59, skipping insertion in model container [2024-10-31 22:02:59,397 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:02:59" (1/1) ... [2024-10-31 22:02:59,423 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:02:59,624 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/sv-benchmarks/c/floats-nonlinear/coral-benchmark21.c[758,771] [2024-10-31 22:02:59,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:02:59,650 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:02:59,663 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/sv-benchmarks/c/floats-nonlinear/coral-benchmark21.c[758,771] [2024-10-31 22:02:59,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:02:59,696 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:02:59,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:59 WrapperNode [2024-10-31 22:02:59,697 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:02:59,698 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:02:59,698 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:02:59,698 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:02:59,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:59" (1/1) ... [2024-10-31 22:02:59,716 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:59" (1/1) ... [2024-10-31 22:02:59,740 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2024-10-31 22:02:59,740 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:02:59,741 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:02:59,742 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:02:59,742 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:02:59,754 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:59" (1/1) ... [2024-10-31 22:02:59,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:59" (1/1) ... [2024-10-31 22:02:59,755 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:59" (1/1) ... [2024-10-31 22:02:59,767 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:02:59,768 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:59" (1/1) ... [2024-10-31 22:02:59,768 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:59" (1/1) ... [2024-10-31 22:02:59,772 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:59" (1/1) ... [2024-10-31 22:02:59,776 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:59" (1/1) ... [2024-10-31 22:02:59,777 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:59" (1/1) ... [2024-10-31 22:02:59,779 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:59" (1/1) ... [2024-10-31 22:02:59,781 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:02:59,782 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:02:59,783 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:02:59,783 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:02:59,784 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:59" (1/1) ... [2024-10-31 22:02:59,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:02:59,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:59,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:59,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:02:59,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:02:59,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:02:59,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:02:59,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:02:59,935 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:02:59,937 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:03:00,055 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-10-31 22:03:00,055 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:03:00,072 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:03:00,072 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:03:00,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:03:00 BoogieIcfgContainer [2024-10-31 22:03:00,072 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:03:00,075 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:03:00,075 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:03:00,079 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:03:00,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:02:59" (1/3) ... [2024-10-31 22:03:00,080 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72bc145e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:03:00, skipping insertion in model container [2024-10-31 22:03:00,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:59" (2/3) ... [2024-10-31 22:03:00,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72bc145e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:03:00, skipping insertion in model container [2024-10-31 22:03:00,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:03:00" (3/3) ... [2024-10-31 22:03:00,084 INFO L112 eAbstractionObserver]: Analyzing ICFG coral-benchmark21.c [2024-10-31 22:03:00,107 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:03:00,107 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:03:00,176 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:03:00,182 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@62ede0fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:03:00,182 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:03:00,186 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:00,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-31 22:03:00,191 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:03:00,192 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:03:00,192 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:03:00,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:00,200 INFO L85 PathProgramCache]: Analyzing trace with hash 889508713, now seen corresponding path program 1 times [2024-10-31 22:03:00,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:00,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809218489] [2024-10-31 22:03:00,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:00,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:00,344 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:03:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:00,405 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:03:00,408 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:03:00,409 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:03:00,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:03:00,416 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-31 22:03:00,441 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:03:00,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:03:00 BoogieIcfgContainer [2024-10-31 22:03:00,447 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:03:00,447 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:03:00,449 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:03:00,449 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:03:00,450 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:03:00" (3/4) ... [2024-10-31 22:03:00,453 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:03:00,454 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:03:00,456 INFO L158 Benchmark]: Toolchain (without parser) took 1067.50ms. Allocated memory is still 121.6MB. Free memory was 87.9MB in the beginning and 92.7MB in the end (delta: -4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:03:00,457 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:03:00,457 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.58ms. Allocated memory is still 121.6MB. Free memory was 87.9MB in the beginning and 75.9MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-31 22:03:00,458 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.57ms. Allocated memory is still 121.6MB. Free memory was 75.7MB in the beginning and 74.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:03:00,459 INFO L158 Benchmark]: Boogie Preprocessor took 39.82ms. Allocated memory is still 121.6MB. Free memory was 74.2MB in the beginning and 72.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:03:00,460 INFO L158 Benchmark]: RCFGBuilder took 290.27ms. Allocated memory is still 121.6MB. Free memory was 72.5MB in the beginning and 63.4MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-31 22:03:00,461 INFO L158 Benchmark]: TraceAbstraction took 371.70ms. Allocated memory is still 121.6MB. Free memory was 62.7MB in the beginning and 93.3MB in the end (delta: -30.5MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2024-10-31 22:03:00,462 INFO L158 Benchmark]: Witness Printer took 6.35ms. Allocated memory is still 121.6MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:03:00,466 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.58ms. Allocated memory is still 121.6MB. Free memory was 87.9MB in the beginning and 75.9MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.57ms. Allocated memory is still 121.6MB. Free memory was 75.7MB in the beginning and 74.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.82ms. Allocated memory is still 121.6MB. Free memory was 74.2MB in the beginning and 72.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 290.27ms. Allocated memory is still 121.6MB. Free memory was 72.5MB in the beginning and 63.4MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 371.70ms. Allocated memory is still 121.6MB. Free memory was 62.7MB in the beginning and 93.3MB in the end (delta: -30.5MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * Witness Printer took 6.35ms. Allocated memory is still 121.6MB. Free memory is still 92.7MB. 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: 22]: 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 31. Possible FailurePath: [L38] double x, y; [L39] x = __VERIFIER_nondet_double() [L40] y = __VERIFIER_nondet_double() [L41] CALL, EXPR benchmark21(x, y) [L31] COND TRUE cos(x * y) < 0 && sin(2 * x) > 0.25 [L32] return 1; VAL [\result=1] [L41] RET, EXPR benchmark21(x, y) [L41] CALL __VERIFIER_assert(!benchmark21(x, y)) [L20] COND TRUE !(cond) [L22] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-31 22:03:00,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-nonlinear/coral-benchmark21.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 37079fa9f01e6b0ffbbd5ec311109c1fa2a30c6c77368aa5132bbdd15ad53dd1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:03:03,018 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:03:03,118 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-31 22:03:03,127 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:03:03,127 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:03:03,167 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:03:03,168 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:03:03,168 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:03:03,169 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:03:03,172 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:03:03,173 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:03:03,173 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:03:03,174 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:03:03,174 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:03:03,175 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:03:03,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:03:03,175 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:03:03,176 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:03:03,179 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:03:03,179 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:03:03,182 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:03:03,182 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:03:03,182 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:03:03,183 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:03:03,183 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:03:03,183 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:03:03,183 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:03:03,184 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:03:03,184 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:03:03,184 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:03:03,184 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:03:03,185 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:03:03,185 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:03:03,185 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:03:03,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:03:03,187 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:03:03,188 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:03:03,188 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:03:03,189 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:03:03,189 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:03:03,189 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:03:03,190 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:03:03,202 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:03:03,202 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:03:03,202 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:03:03,203 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_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37079fa9f01e6b0ffbbd5ec311109c1fa2a30c6c77368aa5132bbdd15ad53dd1 [2024-10-31 22:03:03,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:03:03,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:03:03,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:03:03,643 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:03:03,644 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:03:03,645 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/floats-nonlinear/coral-benchmark21.c Unable to find full path for "g++" [2024-10-31 22:03:05,655 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:03:05,879 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:03:05,879 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/sv-benchmarks/c/floats-nonlinear/coral-benchmark21.c [2024-10-31 22:03:05,887 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU/data/dd2fee322/9188099dade0483b9eb9a724aeb41d6a/FLAGcc0dea01e [2024-10-31 22:03:05,901 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU/data/dd2fee322/9188099dade0483b9eb9a724aeb41d6a [2024-10-31 22:03:05,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:03:05,905 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:03:05,907 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:03:05,907 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:03:05,913 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:03:05,914 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:03:05" (1/1) ... [2024-10-31 22:03:05,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@130db060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:05, skipping insertion in model container [2024-10-31 22:03:05,915 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:03:05" (1/1) ... [2024-10-31 22:03:05,936 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:03:06,186 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/sv-benchmarks/c/floats-nonlinear/coral-benchmark21.c[758,771] [2024-10-31 22:03:06,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:03:06,222 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:03:06,238 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/sv-benchmarks/c/floats-nonlinear/coral-benchmark21.c[758,771] [2024-10-31 22:03:06,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:03:06,282 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:03:06,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:06 WrapperNode [2024-10-31 22:03:06,282 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:03:06,284 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:03:06,284 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:03:06,284 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:03:06,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:06" (1/1) ... [2024-10-31 22:03:06,302 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:06" (1/1) ... [2024-10-31 22:03:06,323 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2024-10-31 22:03:06,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:03:06,326 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:03:06,326 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:03:06,326 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:03:06,346 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:06" (1/1) ... [2024-10-31 22:03:06,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:06" (1/1) ... [2024-10-31 22:03:06,348 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:06" (1/1) ... [2024-10-31 22:03:06,362 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:03:06,362 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:06" (1/1) ... [2024-10-31 22:03:06,363 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:06" (1/1) ... [2024-10-31 22:03:06,373 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:06" (1/1) ... [2024-10-31 22:03:06,379 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:06" (1/1) ... [2024-10-31 22:03:06,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:06" (1/1) ... [2024-10-31 22:03:06,381 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:06" (1/1) ... [2024-10-31 22:03:06,384 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:03:06,388 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:03:06,389 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:03:06,389 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:03:06,390 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:06" (1/1) ... [2024-10-31 22:03:06,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:03:06,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:06,431 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:06,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:03:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:03:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 22:03:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:03:06,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:03:06,566 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:03:06,568 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:03:06,738 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-10-31 22:03:06,738 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:03:06,752 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:03:06,752 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:03:06,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:03:06 BoogieIcfgContainer [2024-10-31 22:03:06,753 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:03:06,756 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:03:06,756 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:03:06,760 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:03:06,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:03:05" (1/3) ... [2024-10-31 22:03:06,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@559bc6e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:03:06, skipping insertion in model container [2024-10-31 22:03:06,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:06" (2/3) ... [2024-10-31 22:03:06,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@559bc6e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:03:06, skipping insertion in model container [2024-10-31 22:03:06,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:03:06" (3/3) ... [2024-10-31 22:03:06,764 INFO L112 eAbstractionObserver]: Analyzing ICFG coral-benchmark21.c [2024-10-31 22:03:06,786 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:03:06,787 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:03:06,857 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:03:06,867 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@430d3e79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:03:06,867 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:03:06,872 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:06,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-31 22:03:06,880 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:03:06,880 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:03:06,881 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:03:06,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:06,891 INFO L85 PathProgramCache]: Analyzing trace with hash 889508713, now seen corresponding path program 1 times [2024-10-31 22:03:06,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:03:06,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1409758586] [2024-10-31 22:03:06,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:06,914 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:03:06,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:03:06,916 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-31 22:03:06,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-31 22:03:07,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:07,002 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:03:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:07,052 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-31 22:03:07,054 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:03:07,056 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:03:07,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-31 22:03:07,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:03:07,263 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-31 22:03:07,286 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:03:07,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:03:07 BoogieIcfgContainer [2024-10-31 22:03:07,292 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:03:07,292 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:03:07,292 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:03:07,293 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:03:07,293 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:03:06" (3/4) ... [2024-10-31 22:03:07,297 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:03:07,299 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:03:07,300 INFO L158 Benchmark]: Toolchain (without parser) took 1395.27ms. Allocated memory is still 75.5MB. Free memory was 52.0MB in the beginning and 47.4MB in the end (delta: 4.6MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-10-31 22:03:07,302 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 56.6MB. Free memory was 33.4MB in the beginning and 33.3MB in the end (delta: 65.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:03:07,303 INFO L158 Benchmark]: CACSL2BoogieTranslator took 376.24ms. Allocated memory is still 75.5MB. Free memory was 51.9MB in the beginning and 54.6MB in the end (delta: -2.8MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2024-10-31 22:03:07,303 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.12ms. Allocated memory is still 75.5MB. Free memory was 54.6MB in the beginning and 53.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:03:07,305 INFO L158 Benchmark]: Boogie Preprocessor took 62.24ms. Allocated memory is still 75.5MB. Free memory was 53.2MB in the beginning and 51.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:03:07,306 INFO L158 Benchmark]: RCFGBuilder took 364.50ms. Allocated memory is still 75.5MB. Free memory was 51.1MB in the beginning and 41.6MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-31 22:03:07,307 INFO L158 Benchmark]: TraceAbstraction took 535.45ms. Allocated memory is still 75.5MB. Free memory was 40.9MB in the beginning and 47.7MB in the end (delta: -6.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:03:07,307 INFO L158 Benchmark]: Witness Printer took 6.84ms. Allocated memory is still 75.5MB. Free memory was 47.7MB in the beginning and 47.4MB in the end (delta: 337.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:03:07,311 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 56.6MB. Free memory was 33.4MB in the beginning and 33.3MB in the end (delta: 65.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 376.24ms. Allocated memory is still 75.5MB. Free memory was 51.9MB in the beginning and 54.6MB in the end (delta: -2.8MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.12ms. Allocated memory is still 75.5MB. Free memory was 54.6MB in the beginning and 53.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.24ms. Allocated memory is still 75.5MB. Free memory was 53.2MB in the beginning and 51.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 364.50ms. Allocated memory is still 75.5MB. Free memory was 51.1MB in the beginning and 41.6MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 535.45ms. Allocated memory is still 75.5MB. Free memory was 40.9MB in the beginning and 47.7MB in the end (delta: -6.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.84ms. Allocated memory is still 75.5MB. Free memory was 47.7MB in the beginning and 47.4MB in the end (delta: 337.9kB). 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: 22]: 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 sin at line 31. Possible FailurePath: [L38] double x, y; [L39] x = __VERIFIER_nondet_double() [L40] y = __VERIFIER_nondet_double() [L41] CALL, EXPR benchmark21(x, y) [L31] COND TRUE cos(x * y) < 0 && sin(2 * x) > 0.25 [L32] return 1; VAL [\result=1] [L41] RET, EXPR benchmark21(x, y) [L41] CALL __VERIFIER_assert(!benchmark21(x, y)) [L20] COND TRUE !(cond) [L22] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-31 22:03:07,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91d28c32-fb85-42ec-be9f-dc8a031a955b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample