/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.4.prop6-back-serstep.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 20:44:57,808 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 20:44:57,845 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 20:44:57,849 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 20:44:57,849 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 20:44:57,863 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 20:44:57,863 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 20:44:57,863 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 20:44:57,864 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 20:44:57,864 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 20:44:57,864 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 20:44:57,864 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 20:44:57,865 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 20:44:57,865 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 20:44:57,865 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 20:44:57,866 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 20:44:57,866 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 20:44:57,866 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 20:44:57,866 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 20:44:57,866 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 20:44:57,867 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 20:44:57,876 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 20:44:57,876 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 20:44:57,876 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 20:44:57,877 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 20:44:57,877 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 20:44:57,877 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 20:44:57,877 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 20:44:57,877 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 20:44:57,878 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:44:57,878 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 20:44:57,878 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 20:44:57,878 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 20:44:57,878 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 20:44:57,878 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 20:44:57,879 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 20:44:57,879 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 20:44:57,879 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 20:44:57,879 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 20:44:57,879 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 20:44:57,879 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 20:44:58,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 20:44:58,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 20:44:58,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 20:44:58,115 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 20:44:58,116 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 20:44:58,117 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.4.prop6-back-serstep.c [2023-12-16 20:44:59,324 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 20:44:59,721 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 20:44:59,722 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.4.prop6-back-serstep.c [2023-12-16 20:44:59,771 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/131a43eb4/b662bc538f5e4c2bba9bfcfe1a88815e/FLAG2f4e06b20 [2023-12-16 20:44:59,783 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/131a43eb4/b662bc538f5e4c2bba9bfcfe1a88815e [2023-12-16 20:44:59,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 20:44:59,788 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 20:44:59,789 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 20:44:59,789 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 20:44:59,792 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 20:44:59,792 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:44:59" (1/1) ... [2023-12-16 20:44:59,793 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7018fd7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:44:59, skipping insertion in model container [2023-12-16 20:44:59,793 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:44:59" (1/1) ... [2023-12-16 20:44:59,959 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 20:45:00,247 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.4.prop6-back-serstep.c[1180,1193] [2023-12-16 20:45:01,186 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:45:01,196 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 20:45:01,207 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.4.prop6-back-serstep.c[1180,1193] [2023-12-16 20:45:02,021 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:45:02,046 INFO L206 MainTranslator]: Completed translation [2023-12-16 20:45:02,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:45:02 WrapperNode [2023-12-16 20:45:02,048 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 20:45:02,049 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 20:45:02,049 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 20:45:02,049 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 20:45:02,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:45:02" (1/1) ... [2023-12-16 20:45:02,229 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:45:02" (1/1) ... [2023-12-16 20:45:03,038 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 24010 [2023-12-16 20:45:03,039 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 20:45:03,039 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 20:45:03,039 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 20:45:03,040 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 20:45:03,047 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:45:02" (1/1) ... [2023-12-16 20:45:03,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:45:02" (1/1) ... [2023-12-16 20:45:03,207 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:45:02" (1/1) ... [2023-12-16 20:45:03,376 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 20:45:03,376 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:45:02" (1/1) ... [2023-12-16 20:45:03,377 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:45:02" (1/1) ... [2023-12-16 20:45:03,574 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:45:02" (1/1) ... [2023-12-16 20:45:03,597 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:45:02" (1/1) ... [2023-12-16 20:45:03,632 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:45:02" (1/1) ... [2023-12-16 20:45:03,674 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:45:02" (1/1) ... [2023-12-16 20:45:03,802 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 20:45:03,803 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 20:45:03,803 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 20:45:03,803 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 20:45:03,804 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:45:02" (1/1) ... [2023-12-16 20:45:03,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:45:03,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 20:45:03,849 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 20:45:03,857 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 20:45:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 20:45:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 20:45:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 20:45:03,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 20:45:05,787 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 20:45:05,789 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation Received shutdown request... [2023-12-16 20:46:10,110 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 20:46:10,260 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 20:46:10,262 INFO L158 Benchmark]: Toolchain (without parser) took 70473.59ms. Allocated memory was 333.4MB in the beginning and 2.7GB in the end (delta: 2.4GB). Free memory was 257.4MB in the beginning and 938.8MB in the end (delta: -681.4MB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2023-12-16 20:46:10,262 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 225.4MB. Free memory is still 174.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 20:46:10,263 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2259.31ms. Allocated memory was 333.4MB in the beginning and 570.4MB in the end (delta: 237.0MB). Free memory was 256.9MB in the beginning and 401.9MB in the end (delta: -145.0MB). Peak memory consumption was 199.3MB. Max. memory is 8.0GB. [2023-12-16 20:46:10,263 INFO L158 Benchmark]: Boogie Procedure Inliner took 989.71ms. Allocated memory was 570.4MB in the beginning and 1.4GB in the end (delta: 791.7MB). Free memory was 401.9MB in the beginning and 1.1GB in the end (delta: -707.3MB). Peak memory consumption was 180.9MB. Max. memory is 8.0GB. [2023-12-16 20:46:10,264 INFO L158 Benchmark]: Boogie Preprocessor took 762.74ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 1.0GB in the end (delta: 63.4MB). Peak memory consumption was 84.9MB. Max. memory is 8.0GB. [2023-12-16 20:46:10,265 INFO L158 Benchmark]: RCFGBuilder took 66457.82ms. Allocated memory was 1.4GB in the beginning and 2.7GB in the end (delta: 1.3GB). Free memory was 1.0GB in the beginning and 938.8MB in the end (delta: 106.4MB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. [2023-12-16 20:46:10,271 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 225.4MB. Free memory is still 174.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2259.31ms. Allocated memory was 333.4MB in the beginning and 570.4MB in the end (delta: 237.0MB). Free memory was 256.9MB in the beginning and 401.9MB in the end (delta: -145.0MB). Peak memory consumption was 199.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 989.71ms. Allocated memory was 570.4MB in the beginning and 1.4GB in the end (delta: 791.7MB). Free memory was 401.9MB in the beginning and 1.1GB in the end (delta: -707.3MB). Peak memory consumption was 180.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 762.74ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 1.0GB in the end (delta: 63.4MB). Peak memory consumption was 84.9MB. Max. memory is 8.0GB. * RCFGBuilder took 66457.82ms. Allocated memory was 1.4GB in the beginning and 2.7GB in the end (delta: 1.3GB). Free memory was 1.0GB in the beginning and 938.8MB in the end (delta: 106.4MB). Peak memory consumption was 1.6GB. 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 14488 xjuncts. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown