/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/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/psyco/psyco_cev_1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 11:57:50,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 11:57:50,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 11:57:50,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 11:57:50,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 11:57:50,361 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 11:57:50,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 11:57:50,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 11:57:50,368 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 11:57:50,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 11:57:50,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 11:57:50,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 11:57:50,373 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 11:57:50,374 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 11:57:50,375 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 11:57:50,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 11:57:50,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 11:57:50,379 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 11:57:50,381 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 11:57:50,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 11:57:50,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 11:57:50,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 11:57:50,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 11:57:50,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 11:57:50,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 11:57:50,397 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 11:57:50,398 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 11:57:50,401 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 11:57:50,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 11:57:50,407 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 11:57:50,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 11:57:50,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 11:57:50,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 11:57:50,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 11:57:50,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 11:57:50,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 11:57:50,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 11:57:50,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 11:57:50,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 11:57:50,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 11:57:50,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 11:57:50,426 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 11:57:50,480 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 11:57:50,482 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 11:57:50,487 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 11:57:50,487 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 11:57:50,488 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 11:57:50,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 11:57:50,488 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 11:57:50,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 11:57:50,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 11:57:50,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 11:57:50,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 11:57:50,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 11:57:50,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 11:57:50,492 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 11:57:50,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 11:57:50,492 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 11:57:50,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 11:57:50,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 11:57:50,493 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 11:57:50,494 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 11:57:50,494 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 11:57:50,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 11:57:50,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 11:57:50,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 11:57:50,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 11:57:50,508 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 11:57:50,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 11:57:50,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 11:57:50,509 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 11:57:50,509 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 11:57:50,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 11:57:50,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 11:57:50,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 11:57:50,986 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 11:57:50,986 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 11:57:50,987 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_cev_1.c [2020-10-29 11:57:51,077 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a036276bb/2e24f073f534479e9645802465bf1124/FLAGa991dd5d5 [2020-10-29 11:57:59,706 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 11:57:59,707 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/psyco/psyco_cev_1.c [2020-10-29 11:58:00,591 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a036276bb/2e24f073f534479e9645802465bf1124/FLAGa991dd5d5 [2020-10-29 11:58:00,739 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a036276bb/2e24f073f534479e9645802465bf1124 [2020-10-29 11:58:00,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 11:58:00,754 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 11:58:00,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 11:58:00,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 11:58:00,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 11:58:00,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:58:00" (1/1) ... [2020-10-29 11:58:00,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@390deb12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:58:00, skipping insertion in model container [2020-10-29 11:58:00,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:58:00" (1/1) ... [2020-10-29 11:58:00,777 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 11:58:04,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 11:59:10,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:59:10,737 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 12:00:12,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 12:00:12,516 INFO L208 MainTranslator]: Completed translation [2020-10-29 12:00:12,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:00:12 WrapperNode [2020-10-29 12:00:12,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 12:00:12,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 12:00:12,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 12:00:12,518 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 12:00:12,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:00:12" (1/1) ... [2020-10-29 12:00:12,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:00:12" (1/1) ... [2020-10-29 12:00:22,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:00:12" (1/1) ... [2020-10-29 12:00:22,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:00:12" (1/1) ... [2020-10-29 12:00:40,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:00:12" (1/1) ... [2020-10-29 12:00:41,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:00:12" (1/1) ... [2020-10-29 12:00:51,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:00:12" (1/1) ... [2020-10-29 12:00:59,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 12:00:59,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 12:00:59,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 12:00:59,449 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 12:00:59,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:00:12" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000