/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.firewire_tree.2.prop1-back-serstep.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 20:31:12,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 20:31:12,713 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2023-12-16 20:31:12,719 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 20:31:12,719 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 20:31:12,743 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 20:31:12,744 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 20:31:12,744 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 20:31:12,745 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 20:31:12,748 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 20:31:12,749 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 20:31:12,749 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 20:31:12,750 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 20:31:12,751 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 20:31:12,751 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 20:31:12,751 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 20:31:12,752 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 20:31:12,752 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 20:31:12,752 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 20:31:12,752 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 20:31:12,752 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 20:31:12,753 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 20:31:12,753 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 20:31:12,753 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 20:31:12,753 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 20:31:12,754 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 20:31:12,754 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 20:31:12,754 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 20:31:12,754 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 20:31:12,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:31:12,755 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 20:31:12,756 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 20:31:12,756 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 20:31:12,756 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 20:31:12,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 20:31:12,756 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 20:31:12,756 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 20:31:12,756 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 20:31:12,757 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 20:31:12,757 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 20:31:12,757 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 20:31:12,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 20:31:13,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 20:31:13,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 20:31:13,003 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 20:31:13,005 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 20:31:13,006 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.firewire_tree.2.prop1-back-serstep.c [2023-12-16 20:31:14,124 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 20:31:14,634 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 20:31:14,635 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.firewire_tree.2.prop1-back-serstep.c [2023-12-16 20:31:14,684 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dde99f041/5d52f16b97bf401e969e33a28b52b460/FLAG45a773ce2 [2023-12-16 20:31:14,699 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dde99f041/5d52f16b97bf401e969e33a28b52b460 [2023-12-16 20:31:14,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 20:31:14,703 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 20:31:14,706 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 20:31:14,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 20:31:14,710 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 20:31:14,711 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:31:14" (1/1) ... [2023-12-16 20:31:14,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a3d9cae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:31:14, skipping insertion in model container [2023-12-16 20:31:14,712 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:31:14" (1/1) ... [2023-12-16 20:31:14,899 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 20:31:15,222 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.firewire_tree.2.prop1-back-serstep.c[1181,1194] [2023-12-16 20:31:16,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:31:16,299 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 20:31:16,308 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.firewire_tree.2.prop1-back-serstep.c[1181,1194] [2023-12-16 20:31:17,121 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:31:17,135 INFO L206 MainTranslator]: Completed translation [2023-12-16 20:31:17,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:31:17 WrapperNode [2023-12-16 20:31:17,135 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 20:31:17,137 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 20:31:17,137 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 20:31:17,137 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 20:31:17,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:31:17" (1/1) ... [2023-12-16 20:31:17,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:31:17" (1/1) ... [2023-12-16 20:31:18,207 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26236 [2023-12-16 20:31:18,208 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 20:31:18,209 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 20:31:18,209 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 20:31:18,209 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 20:31:18,219 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:31:17" (1/1) ... [2023-12-16 20:31:18,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:31:17" (1/1) ... [2023-12-16 20:31:18,351 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:31:17" (1/1) ... [2023-12-16 20:31:18,535 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]. [2023-12-16 20:31:18,536 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:31:17" (1/1) ... [2023-12-16 20:31:18,536 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:31:17" (1/1) ... [2023-12-16 20:31:18,724 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:31:17" (1/1) ... [2023-12-16 20:31:18,777 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:31:17" (1/1) ... [2023-12-16 20:31:18,848 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:31:17" (1/1) ... [2023-12-16 20:31:18,897 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:31:17" (1/1) ... [2023-12-16 20:31:19,055 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 20:31:19,056 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 20:31:19,056 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 20:31:19,057 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 20:31:19,058 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:31:17" (1/1) ... [2023-12-16 20:31:19,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:31:19,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 20:31:19,083 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-16 20:31:19,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-16 20:31:19,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 20:31:19,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 20:31:19,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 20:31:19,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 20:31:21,262 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 20:31:21,263 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation Received shutdown request... [2023-12-16 20:32:21,364 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 20:32:21,394 INFO L257 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder. Reason: Timeout or Toolchain cancelled by user [2023-12-16 20:32:21,396 INFO L158 Benchmark]: Toolchain (without parser) took 66691.93ms. Allocated memory was 308.3MB in the beginning and 2.3GB in the end (delta: 2.0GB). Free memory was 227.1MB in the beginning and 690.8MB in the end (delta: -463.7MB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. [2023-12-16 20:32:21,396 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 197.1MB. Free memory is still 147.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 20:32:21,397 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2429.24ms. Allocated memory was 308.3MB in the beginning and 435.2MB in the end (delta: 126.9MB). Free memory was 226.7MB in the beginning and 254.6MB in the end (delta: -27.9MB). Peak memory consumption was 197.9MB. Max. memory is 8.0GB. [2023-12-16 20:32:21,397 INFO L158 Benchmark]: Boogie Procedure Inliner took 1071.76ms. Allocated memory was 435.2MB in the beginning and 870.3MB in the end (delta: 435.2MB). Free memory was 254.6MB in the beginning and 608.0MB in the end (delta: -353.4MB). Peak memory consumption was 190.3MB. Max. memory is 8.0GB. [2023-12-16 20:32:21,398 INFO L158 Benchmark]: Boogie Preprocessor took 846.32ms. Allocated memory is still 870.3MB. Free memory was 608.0MB in the beginning and 530.4MB in the end (delta: 77.6MB). Peak memory consumption was 117.4MB. Max. memory is 8.0GB. [2023-12-16 20:32:21,398 INFO L158 Benchmark]: RCFGBuilder took 62338.32ms. Allocated memory was 870.3MB in the beginning and 2.3GB in the end (delta: 1.4GB). Free memory was 530.4MB in the beginning and 690.8MB in the end (delta: -160.4MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2023-12-16 20:32:21,401 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 197.1MB. Free memory is still 147.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2429.24ms. Allocated memory was 308.3MB in the beginning and 435.2MB in the end (delta: 126.9MB). Free memory was 226.7MB in the beginning and 254.6MB in the end (delta: -27.9MB). Peak memory consumption was 197.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 1071.76ms. Allocated memory was 435.2MB in the beginning and 870.3MB in the end (delta: 435.2MB). Free memory was 254.6MB in the beginning and 608.0MB in the end (delta: -353.4MB). Peak memory consumption was 190.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 846.32ms. Allocated memory is still 870.3MB. Free memory was 608.0MB in the beginning and 530.4MB in the end (delta: 77.6MB). Peak memory consumption was 117.4MB. Max. memory is 8.0GB. * RCFGBuilder took 62338.32ms. Allocated memory was 870.3MB in the beginning and 2.3GB in the end (delta: 1.4GB). Free memory was 530.4MB in the beginning and 690.8MB in the end (delta: -160.4MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder) Toolchain cancelled while XnfDer was eliminating 1 quantified variables from 14676 xjuncts. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown