/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.pgm_protocol.8.prop1-back-serstep.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 20:47:21,689 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 20:47:21,740 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 20:47:21,743 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 20:47:21,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 20:47:21,782 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 20:47:21,783 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 20:47:21,783 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 20:47:21,784 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 20:47:21,788 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 20:47:21,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 20:47:21,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 20:47:21,789 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 20:47:21,790 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 20:47:21,790 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 20:47:21,790 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 20:47:21,791 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 20:47:21,791 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 20:47:21,791 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 20:47:21,791 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 20:47:21,791 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 20:47:21,792 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 20:47:21,792 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 20:47:21,792 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 20:47:21,793 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 20:47:21,793 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 20:47:21,793 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 20:47:21,793 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 20:47:21,794 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 20:47:21,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:47:21,795 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 20:47:21,795 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 20:47:21,795 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 20:47:21,795 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 20:47:21,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 20:47:21,796 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 20:47:21,796 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 20:47:21,796 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 20:47:21,796 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 20:47:21,797 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 20:47:21,797 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 20:47:22,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 20:47:22,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 20:47:22,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 20:47:22,054 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 20:47:22,056 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 20:47:22,057 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop1-back-serstep.c [2023-12-16 20:47:23,332 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 20:47:23,825 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 20:47:23,826 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop1-back-serstep.c [2023-12-16 20:47:23,890 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbada5b7d/2bec6c65e59d4ca28279f6ada6dfbca3/FLAG2d90f4dd7 [2023-12-16 20:47:23,905 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbada5b7d/2bec6c65e59d4ca28279f6ada6dfbca3 [2023-12-16 20:47:23,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 20:47:23,909 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 20:47:23,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 20:47:23,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 20:47:23,916 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 20:47:23,916 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:47:23" (1/1) ... [2023-12-16 20:47:23,918 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45a84f11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:47:23, skipping insertion in model container [2023-12-16 20:47:23,918 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:47:23" (1/1) ... [2023-12-16 20:47:24,123 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 20:47:24,409 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.pgm_protocol.8.prop1-back-serstep.c[1180,1193] [2023-12-16 20:47:25,536 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:47:25,546 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 20:47:25,555 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.pgm_protocol.8.prop1-back-serstep.c[1180,1193] [2023-12-16 20:47:26,248 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:47:26,262 INFO L206 MainTranslator]: Completed translation [2023-12-16 20:47:26,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:47:26 WrapperNode [2023-12-16 20:47:26,262 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 20:47:26,263 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 20:47:26,263 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 20:47:26,264 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 20:47:26,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:47:26" (1/1) ... [2023-12-16 20:47:26,466 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:47:26" (1/1) ... [2023-12-16 20:47:27,275 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 24772 [2023-12-16 20:47:27,277 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 20:47:27,277 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 20:47:27,278 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 20:47:27,278 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 20:47:27,287 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:47:26" (1/1) ... [2023-12-16 20:47:27,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:47:26" (1/1) ... [2023-12-16 20:47:27,512 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:47:26" (1/1) ... [2023-12-16 20:47:27,726 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 20:47:27,726 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:47:26" (1/1) ... [2023-12-16 20:47:27,726 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:47:26" (1/1) ... [2023-12-16 20:47:27,935 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:47:26" (1/1) ... [2023-12-16 20:47:27,963 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:47:26" (1/1) ... [2023-12-16 20:47:28,011 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:47:26" (1/1) ... [2023-12-16 20:47:28,056 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:47:26" (1/1) ... [2023-12-16 20:47:28,172 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 20:47:28,173 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 20:47:28,173 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 20:47:28,173 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 20:47:28,174 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:47:26" (1/1) ... [2023-12-16 20:47:28,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:47:28,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 20:47:28,199 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 20:47:28,241 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 20:47:28,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 20:47:28,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 20:47:28,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 20:47:28,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 20:47:30,336 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 20:47:30,338 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation Received shutdown request... [2023-12-16 20:48:30,673 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 20:48:30,675 INFO L158 Benchmark]: Toolchain (without parser) took 66765.55ms. Allocated memory was 290.5MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 212.7MB in the beginning and 624.3MB in the end (delta: -411.6MB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2023-12-16 20:48:30,676 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 211.8MB. Free memory is still 159.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 20:48:30,676 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2350.89ms. Allocated memory was 290.5MB in the beginning and 383.8MB in the end (delta: 93.3MB). Free memory was 212.7MB in the beginning and 185.4MB in the end (delta: 27.3MB). Peak memory consumption was 195.0MB. Max. memory is 8.0GB. [2023-12-16 20:48:30,677 INFO L158 Benchmark]: Boogie Procedure Inliner took 1013.32ms. Allocated memory was 383.8MB in the beginning and 767.6MB in the end (delta: 383.8MB). Free memory was 185.4MB in the beginning and 497.9MB in the end (delta: -312.5MB). Peak memory consumption was 162.0MB. Max. memory is 8.0GB. [2023-12-16 20:48:30,678 INFO L158 Benchmark]: Boogie Preprocessor took 894.50ms. Allocated memory is still 767.6MB. Free memory was 497.9MB in the beginning and 426.6MB in the end (delta: 71.3MB). Peak memory consumption was 127.4MB. Max. memory is 8.0GB. [2023-12-16 20:48:30,678 INFO L158 Benchmark]: RCFGBuilder took 62501.43ms. Allocated memory was 767.6MB in the beginning and 2.0GB in the end (delta: 1.3GB). Free memory was 426.0MB in the beginning and 624.3MB in the end (delta: -198.3MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2023-12-16 20:48:30,681 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### [2023-12-16 20:48:30,682 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 --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 211.8MB. Free memory is still 159.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2350.89ms. Allocated memory was 290.5MB in the beginning and 383.8MB in the end (delta: 93.3MB). Free memory was 212.7MB in the beginning and 185.4MB in the end (delta: 27.3MB). Peak memory consumption was 195.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 1013.32ms. Allocated memory was 383.8MB in the beginning and 767.6MB in the end (delta: 383.8MB). Free memory was 185.4MB in the beginning and 497.9MB in the end (delta: -312.5MB). Peak memory consumption was 162.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 894.50ms. Allocated memory is still 767.6MB. Free memory was 497.9MB in the beginning and 426.6MB in the end (delta: 71.3MB). Peak memory consumption was 127.4MB. Max. memory is 8.0GB. * RCFGBuilder took 62501.43ms. Allocated memory was 767.6MB in the beginning and 2.0GB in the end (delta: 1.3GB). Free memory was 426.0MB in the beginning and 624.3MB in the end (delta: -198.3MB). Peak memory consumption was 1.2GB. 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 14120 xjuncts. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown