/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_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.1.prop6-back-serstep.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 22:12:51,679 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 22:12:51,749 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-12-16 22:12:51,753 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 22:12:51,754 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 22:12:51,774 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 22:12:51,775 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 22:12:51,776 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 22:12:51,776 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 22:12:51,779 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 22:12:51,779 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 22:12:51,780 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 22:12:51,780 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 22:12:51,780 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 22:12:51,781 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 22:12:51,781 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 22:12:51,781 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 22:12:51,781 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 22:12:51,781 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 22:12:51,781 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 22:12:51,782 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 22:12:51,782 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 22:12:51,782 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 22:12:51,782 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 22:12:51,782 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 22:12:51,783 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 22:12:51,783 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 22:12:51,783 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 22:12:51,783 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 22:12:51,784 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 22:12:51,784 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 22:12:51,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 22:12:51,785 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 22:12:51,785 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 22:12:51,785 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 22:12:51,785 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 22:12:51,785 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 22:12:51,785 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 22:12:51,785 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 22:12:51,785 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 22:12:51,786 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 22:12:51,786 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 22:12:51,786 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 22:12:51,786 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 22:12:51,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 22:12:52,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 22:12:52,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 22:12:52,008 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 22:12:52,008 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 22:12:52,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.1.prop6-back-serstep.c [2023-12-16 22:12:53,299 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 22:12:53,770 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 22:12:53,771 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.1.prop6-back-serstep.c [2023-12-16 22:12:53,835 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afa6a103d/2170bdff223f43bf9416caae25061d6a/FLAG6615e9973 [2023-12-16 22:12:53,849 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afa6a103d/2170bdff223f43bf9416caae25061d6a [2023-12-16 22:12:53,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 22:12:53,852 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 22:12:53,856 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 22:12:53,856 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 22:12:53,861 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 22:12:53,862 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 10:12:53" (1/1) ... [2023-12-16 22:12:53,863 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@441420b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:12:53, skipping insertion in model container [2023-12-16 22:12:53,863 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 10:12:53" (1/1) ... [2023-12-16 22:12:54,045 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 22:12:54,360 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.1.prop6-back-serstep.c[1180,1193] [2023-12-16 22:12:55,355 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 22:12:55,366 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 22:12:55,374 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.1.prop6-back-serstep.c[1180,1193] [2023-12-16 22:12:55,949 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 22:12:55,973 INFO L206 MainTranslator]: Completed translation [2023-12-16 22:12:55,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:12:55 WrapperNode [2023-12-16 22:12:55,974 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 22:12:55,974 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 22:12:55,975 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 22:12:55,975 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 22:12:55,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:12:55" (1/1) ... [2023-12-16 22:12:56,155 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:12:55" (1/1) ... [2023-12-16 22:12:56,568 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 16187 [2023-12-16 22:12:56,568 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 22:12:56,569 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 22:12:56,569 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 22:12:56,569 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 22:12:56,579 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:12:55" (1/1) ... [2023-12-16 22:12:56,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:12:55" (1/1) ... [2023-12-16 22:12:56,777 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:12:55" (1/1) ... [2023-12-16 22:12:56,903 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 22:12:56,903 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:12:55" (1/1) ... [2023-12-16 22:12:56,903 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:12:55" (1/1) ... [2023-12-16 22:12:57,092 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:12:55" (1/1) ... [2023-12-16 22:12:57,124 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:12:55" (1/1) ... [2023-12-16 22:12:57,150 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:12:55" (1/1) ... [2023-12-16 22:12:57,172 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:12:55" (1/1) ... [2023-12-16 22:12:57,223 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 22:12:57,224 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 22:12:57,224 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 22:12:57,224 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 22:12:57,225 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:12:55" (1/1) ... [2023-12-16 22:12:57,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 22:12:57,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 22:12:57,248 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 22:12:57,257 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 22:12:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 22:12:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 22:12:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 22:12:57,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 22:12:58,665 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 22:12:58,667 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation Received shutdown request... [2023-12-16 22:14:07,429 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 22:14:07,498 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 22:14:07,507 INFO L158 Benchmark]: Toolchain (without parser) took 73654.01ms. Allocated memory was 281.0MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 212.7MB in the beginning and 1.0GB in the end (delta: -837.2MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2023-12-16 22:14:07,540 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 196.1MB. Free memory is still 152.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 22:14:07,541 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2118.07ms. Allocated memory was 281.0MB in the beginning and 420.5MB in the end (delta: 139.5MB). Free memory was 212.7MB in the beginning and 263.0MB in the end (delta: -50.3MB). Peak memory consumption was 148.4MB. Max. memory is 8.0GB. [2023-12-16 22:14:07,542 INFO L158 Benchmark]: Boogie Procedure Inliner took 593.66ms. Allocated memory is still 420.5MB. Free memory was 263.0MB in the beginning and 204.3MB in the end (delta: 58.7MB). Peak memory consumption was 81.8MB. Max. memory is 8.0GB. [2023-12-16 22:14:07,543 INFO L158 Benchmark]: Boogie Preprocessor took 654.79ms. Allocated memory was 420.5MB in the beginning and 841.0MB in the end (delta: 420.5MB). Free memory was 204.3MB in the beginning and 614.2MB in the end (delta: -409.9MB). Peak memory consumption was 94.9MB. Max. memory is 8.0GB. [2023-12-16 22:14:07,552 INFO L158 Benchmark]: RCFGBuilder took 70275.13ms. Allocated memory was 841.0MB in the beginning and 1.7GB in the end (delta: 841.0MB). Free memory was 613.7MB in the beginning and 1.0GB in the end (delta: -436.2MB). Peak memory consumption was 1.0GB. Max. memory is 8.0GB. [2023-12-16 22:14:07,554 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 196.1MB. Free memory is still 152.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2118.07ms. Allocated memory was 281.0MB in the beginning and 420.5MB in the end (delta: 139.5MB). Free memory was 212.7MB in the beginning and 263.0MB in the end (delta: -50.3MB). Peak memory consumption was 148.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 593.66ms. Allocated memory is still 420.5MB. Free memory was 263.0MB in the beginning and 204.3MB in the end (delta: 58.7MB). Peak memory consumption was 81.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 654.79ms. Allocated memory was 420.5MB in the beginning and 841.0MB in the end (delta: 420.5MB). Free memory was 204.3MB in the beginning and 614.2MB in the end (delta: -409.9MB). Peak memory consumption was 94.9MB. Max. memory is 8.0GB. * RCFGBuilder took 70275.13ms. Allocated memory was 841.0MB in the beginning and 1.7GB in the end (delta: 841.0MB). Free memory was 613.7MB in the beginning and 1.0GB in the end (delta: -436.2MB). Peak memory consumption was 1.0GB. 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 11403 xjuncts. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown