/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver Internal_SMTInterpol -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.rushhour.4.prop1-back-serstep.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-356b6ba-m [2024-11-01 01:39:57,788 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 01:39:57,864 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-01 01:39:57,870 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 01:39:57,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 01:39:57,897 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 01:39:57,898 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 01:39:57,898 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 01:39:57,899 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 01:39:57,902 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 01:39:57,902 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 01:39:57,903 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 01:39:57,903 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 01:39:57,903 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 01:39:57,904 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 01:39:57,904 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 01:39:57,904 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 01:39:57,904 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 01:39:57,905 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 01:39:57,905 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 01:39:57,907 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 01:39:57,908 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 01:39:57,908 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 01:39:57,908 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 01:39:57,908 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 01:39:57,909 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 01:39:57,909 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 01:39:57,909 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 01:39:57,922 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 01:39:57,922 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 01:39:57,922 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 01:39:57,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 01:39:57,923 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 01:39:57,923 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 01:39:57,924 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 01:39:57,924 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 01:39:57,925 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 01:39:57,925 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 01:39:57,925 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 01:39:57,925 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 01:39:57,925 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 01:39:57,926 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 01:39:57,926 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol [2024-11-01 01:39:58,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 01:39:58,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 01:39:58,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 01:39:58,228 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 01:39:58,229 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 01:39:58,230 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.rushhour.4.prop1-back-serstep.c [2024-11-01 01:39:59,717 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 01:40:00,591 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 01:40:00,591 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.rushhour.4.prop1-back-serstep.c [2024-11-01 01:40:00,697 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b9fd3b9f/61aa16c41db94f6dacc8a977551077fa/FLAG2163516f1 [2024-11-01 01:40:00,716 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b9fd3b9f/61aa16c41db94f6dacc8a977551077fa [2024-11-01 01:40:00,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 01:40:00,720 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 01:40:00,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 01:40:00,722 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 01:40:00,727 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 01:40:00,728 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 01:40:00" (1/1) ... [2024-11-01 01:40:00,728 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13f4b913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:40:00, skipping insertion in model container [2024-11-01 01:40:00,729 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 01:40:00" (1/1) ... [2024-11-01 01:40:01,050 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 01:40:01,598 WARN L251 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.rushhour.4.prop1-back-serstep.c[1176,1189] [2024-11-01 01:40:03,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 01:40:03,415 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 01:40:03,427 WARN L251 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.rushhour.4.prop1-back-serstep.c[1176,1189] [2024-11-01 01:40:04,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 01:40:04,847 INFO L204 MainTranslator]: Completed translation [2024-11-01 01:40:04,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:40:04 WrapperNode [2024-11-01 01:40:04,849 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 01:40:04,850 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 01:40:04,850 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 01:40:04,851 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 01:40:04,856 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:40:04" (1/1) ... [2024-11-01 01:40:05,225 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:40:04" (1/1) ... [2024-11-01 01:40:06,369 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36069 [2024-11-01 01:40:06,370 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 01:40:06,371 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 01:40:06,371 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 01:40:06,371 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 01:40:06,381 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:40:04" (1/1) ... [2024-11-01 01:40:06,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:40:04" (1/1) ... [2024-11-01 01:40:06,615 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:40:04" (1/1) ... [2024-11-01 01:40:06,954 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]. [2024-11-01 01:40:06,954 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:40:04" (1/1) ... [2024-11-01 01:40:06,954 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:40:04" (1/1) ... [2024-11-01 01:40:07,366 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:40:04" (1/1) ... [2024-11-01 01:40:07,416 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:40:04" (1/1) ... [2024-11-01 01:40:07,522 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:40:04" (1/1) ... [2024-11-01 01:40:07,587 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:40:04" (1/1) ... [2024-11-01 01:40:07,761 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 01:40:07,762 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 01:40:07,763 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 01:40:07,763 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 01:40:07,763 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:40:04" (1/1) ... [2024-11-01 01:40:07,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 01:40:07,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 01:40:07,794 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) [2024-11-01 01:40:07,797 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 [2024-11-01 01:40:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 01:40:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 01:40:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 01:40:07,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 01:40:11,241 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 01:40:11,243 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation