/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=SHALLOWEST --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/array-multidimensional/copy-3-n-u.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-26 19:50:08,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 19:50:08,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 19:50:08,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 19:50:08,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 19:50:08,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 19:50:08,702 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 19:50:08,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 19:50:08,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 19:50:08,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 19:50:08,722 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 19:50:08,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 19:50:08,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 19:50:08,742 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 19:50:08,745 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 19:50:08,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 19:50:08,748 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 19:50:08,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 19:50:08,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 19:50:08,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 19:50:08,771 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 19:50:08,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 19:50:08,774 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 19:50:08,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 19:50:08,783 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 19:50:08,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 19:50:08,784 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 19:50:08,789 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 19:50:08,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 19:50:08,791 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 19:50:08,791 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 19:50:08,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 19:50:08,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 19:50:08,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 19:50:08,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 19:50:08,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 19:50:08,797 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 19:50:08,798 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 19:50:08,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 19:50:08,800 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 19:50:08,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 19:50:08,802 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 [2020-10-26 19:50:08,863 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 19:50:08,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 19:50:08,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 19:50:08,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 19:50:08,868 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 19:50:08,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 19:50:08,869 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 19:50:08,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 19:50:08,869 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 19:50:08,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 19:50:08,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 19:50:08,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 19:50:08,871 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 19:50:08,871 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 19:50:08,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 19:50:08,871 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 19:50:08,872 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 19:50:08,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 19:50:08,872 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 19:50:08,872 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 19:50:08,873 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 19:50:08,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 19:50:08,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 19:50:08,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 19:50:08,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 19:50:08,874 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 19:50:08,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 19:50:08,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 19:50:08,874 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 19:50:08,874 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-26 19:50:09,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 19:50:09,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 19:50:09,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 19:50:09,337 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 19:50:09,338 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 19:50:09,339 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-multidimensional/copy-3-n-u.c [2020-10-26 19:50:09,434 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/690361a0e/755c60d28ec04d71b0a7a66872722745/FLAGdfd45e46c [2020-10-26 19:50:10,147 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 19:50:10,147 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-multidimensional/copy-3-n-u.c [2020-10-26 19:50:10,156 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/690361a0e/755c60d28ec04d71b0a7a66872722745/FLAGdfd45e46c [2020-10-26 19:50:10,493 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/690361a0e/755c60d28ec04d71b0a7a66872722745 [2020-10-26 19:50:10,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 19:50:10,513 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-26 19:50:10,518 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 19:50:10,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 19:50:10,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 19:50:10,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:50:10" (1/1) ... [2020-10-26 19:50:10,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b0f4754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:10, skipping insertion in model container [2020-10-26 19:50:10,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:50:10" (1/1) ... [2020-10-26 19:50:10,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 19:50:10,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 19:50:10,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 19:50:10,755 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 19:50:10,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 19:50:10,827 INFO L208 MainTranslator]: Completed translation [2020-10-26 19:50:10,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:10 WrapperNode [2020-10-26 19:50:10,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 19:50:10,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 19:50:10,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 19:50:10,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 19:50:10,843 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:10" (1/1) ... [2020-10-26 19:50:10,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:10" (1/1) ... [2020-10-26 19:50:10,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:10" (1/1) ... [2020-10-26 19:50:10,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:10" (1/1) ... [2020-10-26 19:50:10,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:10" (1/1) ... [2020-10-26 19:50:10,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:10" (1/1) ... [2020-10-26 19:50:10,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:10" (1/1) ... [2020-10-26 19:50:10,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 19:50:10,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 19:50:10,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 19:50:10,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 19:50:10,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:10" (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 [2020-10-26 19:50:10,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-26 19:50:10,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 19:50:10,977 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-26 19:50:10,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-26 19:50:10,978 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-26 19:50:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-26 19:50:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-26 19:50:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-26 19:50:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 19:50:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-26 19:50:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-26 19:50:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-26 19:50:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 19:50:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 19:50:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 19:50:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-26 19:50:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 19:50:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 19:50:11,327 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 19:50:11,327 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-26 19:50:11,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:50:11 BoogieIcfgContainer [2020-10-26 19:50:11,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 19:50:11,350 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 19:50:11,350 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 19:50:11,369 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 19:50:11,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 07:50:10" (1/3) ... [2020-10-26 19:50:11,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18995327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:50:11, skipping insertion in model container [2020-10-26 19:50:11,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:10" (2/3) ... [2020-10-26 19:50:11,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18995327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:50:11, skipping insertion in model container [2020-10-26 19:50:11,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:50:11" (3/3) ... [2020-10-26 19:50:11,379 INFO L111 eAbstractionObserver]: Analyzing ICFG copy-3-n-u.c [2020-10-26 19:50:11,434 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-26 19:50:11,450 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-26 19:50:11,464 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-26 19:50:11,495 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 19:50:11,495 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 19:50:11,495 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-26 19:50:11,496 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 19:50:11,496 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 19:50:11,496 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 19:50:11,496 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 19:50:11,496 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 19:50:11,519 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2020-10-26 19:50:11,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-26 19:50:11,525 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 19:50:11,526 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 19:50:11,527 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 19:50:11,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 19:50:11,534 INFO L82 PathProgramCache]: Analyzing trace with hash 509479056, now seen corresponding path program 1 times [2020-10-26 19:50:11,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 19:50:11,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1558804556] [2020-10-26 19:50:11,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 19:50:11,717 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-26 19:50:11,718 WARN L167 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-10-26 19:50:11,718 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-26 19:50:11,724 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 19:50:11,751 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-10-26 19:50:11,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 07:50:11 BoogieIcfgContainer [2020-10-26 19:50:11,752 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 19:50:11,757 INFO L168 Benchmark]: Toolchain (without parser) took 1246.08 ms. Allocated memory is still 155.2 MB. Free memory was 131.4 MB in the beginning and 126.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.3 MB. Max. memory is 8.0 GB. [2020-10-26 19:50:11,760 INFO L168 Benchmark]: CDTParser took 0.71 ms. Allocated memory is still 155.2 MB. Free memory is still 126.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-26 19:50:11,763 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.90 ms. Allocated memory is still 155.2 MB. Free memory was 130.9 MB in the beginning and 120.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-26 19:50:11,767 INFO L168 Benchmark]: Boogie Preprocessor took 46.19 ms. Allocated memory is still 155.2 MB. Free memory was 120.9 MB in the beginning and 119.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-26 19:50:11,768 INFO L168 Benchmark]: RCFGBuilder took 464.62 ms. Allocated memory is still 155.2 MB. Free memory was 119.1 MB in the beginning and 138.4 MB in the end (delta: -19.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-26 19:50:11,769 INFO L168 Benchmark]: TraceAbstraction took 402.17 ms. Allocated memory is still 155.2 MB. Free memory was 137.9 MB in the beginning and 126.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-10-26 19:50:11,777 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71 ms. Allocated memory is still 155.2 MB. Free memory is still 126.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 309.90 ms. Allocated memory is still 155.2 MB. Free memory was 130.9 MB in the beginning and 120.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 46.19 ms. Allocated memory is still 155.2 MB. Free memory was 120.9 MB in the beginning and 119.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 464.62 ms. Allocated memory is still 155.2 MB. Free memory was 119.1 MB in the beginning and 138.4 MB in the end (delta: -19.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 402.17 ms. Allocated memory is still 155.2 MB. Free memory was 137.9 MB in the beginning and 126.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L16] int i,j,k; [L17] int m=1000,n=1500,p=1800; [L18] int A [m][n][p]; [L19] int B [m][n][p]; [L22] i=0 [L23] j=0 [L24] k=0 [L42] i=0 [L43] j=0 [L44] k=0 [L45] COND FALSE !(i < m) [L62] i=0 [L63] j=0 [L64] k=0 [L65] COND TRUE i < m [L66] j=0 [L67] k=0 [L68] COND TRUE j < n [L69] k=0 [L70] COND TRUE k < p [L71] EXPR A[i][j][k] [L71] EXPR B[i][j][k] [L71] CALL __VERIFIER_assert(A[i][j][k]==B[i][j][k]) [L6] COND TRUE !(cond) [L7] CALL reach_error() [L3] __assert_fail("0", "copy-3-n-u.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...