/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -ea -Xmx4000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/C-BIN-BPP.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/egcd3-ll_unwindbound20.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-dev-db9108f-m [2023-12-07 12:40:43,919 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-07 12:40:43,999 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-07 12:40:44,003 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-07 12:40:44,003 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-07 12:40:44,031 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-07 12:40:44,031 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-07 12:40:44,032 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-07 12:40:44,032 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-07 12:40:44,032 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-07 12:40:44,033 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-07 12:40:44,033 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-07 12:40:44,033 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-07 12:40:44,034 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-07 12:40:44,034 INFO L153 SettingsManager]: * Use SBE=true [2023-12-07 12:40:44,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-07 12:40:44,034 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-07 12:40:44,035 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-07 12:40:44,036 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-07 12:40:44,036 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-07 12:40:44,036 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-07 12:40:44,045 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-07 12:40:44,045 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-07 12:40:44,045 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-07 12:40:44,046 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-07 12:40:44,046 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-07 12:40:44,046 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-07 12:40:44,046 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-07 12:40:44,047 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-07 12:40:44,047 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-07 12:40:44,047 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-07 12:40:44,048 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-07 12:40:44,048 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-07 12:40:44,048 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-07 12:40:44,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-07 12:40:44,049 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-07 12:40:44,049 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-07 12:40:44,049 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-07 12:40:44,049 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-07 12:40:44,050 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-07 12:40:44,050 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-07 12:40:44,054 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-07 12:40:44,055 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-07 12:40:44,055 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-07 12:40:44,055 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-07 12:40:44,055 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-07 12:40:44,055 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-07 12:40:44,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-07 12:40:44,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-07 12:40:44,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-07 12:40:44,366 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-07 12:40:44,368 INFO L274 PluginConnector]: CDTParser initialized [2023-12-07 12:40:44,369 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/egcd3-ll_unwindbound20.c [2023-12-07 12:40:46,781 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-07 12:40:47,142 INFO L384 CDTParser]: Found 1 translation units. [2023-12-07 12:40:47,142 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/egcd3-ll_unwindbound20.c [2023-12-07 12:40:47,149 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c271ae08/a989ae06e2804a04a193f9474fff0fad/FLAG6d55fe991 [2023-12-07 12:40:47,160 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c271ae08/a989ae06e2804a04a193f9474fff0fad [2023-12-07 12:40:47,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-07 12:40:47,163 INFO L133 ToolchainWalker]: Walking toolchain with 3 elements. [2023-12-07 12:40:47,164 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-07 12:40:47,164 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-07 12:40:47,167 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-07 12:40:47,168 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:40:47" (1/1) ... [2023-12-07 12:40:47,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72916c99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:47, skipping insertion in model container [2023-12-07 12:40:47,169 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:40:47" (1/1) ... [2023-12-07 12:40:47,196 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-07 12:40:47,369 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/egcd3-ll_unwindbound20.c[490,503] [2023-12-07 12:40:47,391 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-07 12:40:47,415 INFO L202 MainTranslator]: Completed pre-run [2023-12-07 12:40:47,426 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/egcd3-ll_unwindbound20.c[490,503] [2023-12-07 12:40:47,450 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-07 12:40:47,465 INFO L206 MainTranslator]: Completed translation [2023-12-07 12:40:47,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:47 WrapperNode [2023-12-07 12:40:47,466 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-07 12:40:47,467 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-07 12:40:47,467 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-07 12:40:47,468 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-07 12:40:47,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:47" (1/1) ... [2023-12-07 12:40:47,506 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:47" (1/1) ... [2023-12-07 12:40:47,532 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 92 [2023-12-07 12:40:47,533 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-07 12:40:47,533 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-07 12:40:47,533 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-07 12:40:47,534 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-07 12:40:47,540 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:47" (1/1) ... [2023-12-07 12:40:47,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:47" (1/1) ... [2023-12-07 12:40:47,543 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:47" (1/1) ... [2023-12-07 12:40:47,553 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]. [2023-12-07 12:40:47,553 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:47" (1/1) ... [2023-12-07 12:40:47,554 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:47" (1/1) ... [2023-12-07 12:40:47,561 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:47" (1/1) ... [2023-12-07 12:40:47,565 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:47" (1/1) ... [2023-12-07 12:40:47,566 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:47" (1/1) ... [2023-12-07 12:40:47,567 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:47" (1/1) ... [2023-12-07 12:40:47,568 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-07 12:40:47,571 INFO L158 Benchmark]: Toolchain (without parser) took 407.71ms. Allocated memory is still 60.9MB. Free memory was 35.4MB in the beginning and 34.0MB in the end (delta: 1.4MB). Peak memory consumption was 1.4MB. Max. memory is 3.9GB. [2023-12-07 12:40:47,571 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 60.9MB. Free memory is still 34.3MB. There was no memory consumed. Max. memory is 3.9GB. [2023-12-07 12:40:47,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.12ms. Allocated memory is still 60.9MB. Free memory was 35.3MB in the beginning and 38.0MB in the end (delta: -2.7MB). Peak memory consumption was 12.3MB. Max. memory is 3.9GB. [2023-12-07 12:40:47,572 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.49ms. Allocated memory is still 60.9MB. Free memory was 38.0MB in the beginning and 36.1MB in the end (delta: 1.9MB). Peak memory consumption was 1.9MB. Max. memory is 3.9GB. [2023-12-07 12:40:47,573 INFO L158 Benchmark]: Boogie Preprocessor took 35.38ms. Allocated memory is still 60.9MB. Free memory was 36.1MB in the beginning and 34.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 3.9GB. [2023-12-07 12:40:47,574 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 60.9MB. Free memory is still 34.3MB. There was no memory consumed. Max. memory is 3.9GB. * CACSL2BoogieTranslator took 302.12ms. Allocated memory is still 60.9MB. Free memory was 35.3MB in the beginning and 38.0MB in the end (delta: -2.7MB). Peak memory consumption was 12.3MB. Max. memory is 3.9GB. * Boogie Procedure Inliner took 65.49ms. Allocated memory is still 60.9MB. Free memory was 38.0MB in the beginning and 36.1MB in the end (delta: 1.9MB). Peak memory consumption was 1.9MB. Max. memory is 3.9GB. * Boogie Preprocessor took 35.38ms. Allocated memory is still 60.9MB. Free memory was 36.1MB in the beginning and 34.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 3.9GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...