/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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-examples/sanfoundry_43_ground.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 08:50:52,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 08:50:52,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 08:50:52,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 08:50:52,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 08:50:52,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 08:50:52,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 08:50:52,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 08:50:52,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 08:50:52,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 08:50:52,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 08:50:52,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 08:50:52,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 08:50:52,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 08:50:52,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 08:50:52,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 08:50:52,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 08:50:52,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 08:50:52,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 08:50:52,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 08:50:52,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 08:50:52,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 08:50:52,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 08:50:52,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 08:50:52,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 08:50:52,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 08:50:52,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 08:50:52,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 08:50:52,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 08:50:52,901 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 08:50:52,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 08:50:52,903 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 08:50:52,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 08:50:52,905 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 08:50:52,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 08:50:52,907 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 08:50:52,908 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 08:50:52,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 08:50:52,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 08:50:52,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 08:50:52,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 08:50:52,918 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 [2020-10-28 08:50:52,970 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 08:50:52,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 08:50:52,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 08:50:52,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 08:50:52,976 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 08:50:52,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 08:50:52,976 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 08:50:52,977 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 08:50:52,977 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 08:50:52,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 08:50:52,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 08:50:52,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 08:50:52,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 08:50:52,979 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 08:50:52,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 08:50:52,979 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 08:50:52,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 08:50:52,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 08:50:52,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 08:50:52,980 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 08:50:52,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 08:50:52,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 08:50:52,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 08:50:52,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 08:50:52,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 08:50:52,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 08:50:52,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 08:50:52,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 08:50:52,983 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 08:50:52,983 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 08:50:53,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 08:50:53,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 08:50:53,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 08:50:53,501 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 08:50:53,502 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 08:50:53,503 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/sanfoundry_43_ground.i [2020-10-28 08:50:53,580 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cf19ed155/b67c3dd93d344cf4be68c07cc274a2c7/FLAGfc1aa6752 [2020-10-28 08:50:54,285 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 08:50:54,286 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-examples/sanfoundry_43_ground.i [2020-10-28 08:50:54,294 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cf19ed155/b67c3dd93d344cf4be68c07cc274a2c7/FLAGfc1aa6752 [2020-10-28 08:50:54,618 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cf19ed155/b67c3dd93d344cf4be68c07cc274a2c7 [2020-10-28 08:50:54,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 08:50:54,629 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 08:50:54,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 08:50:54,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 08:50:54,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 08:50:54,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:50:54" (1/1) ... [2020-10-28 08:50:54,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9f160c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:54, skipping insertion in model container [2020-10-28 08:50:54,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:50:54" (1/1) ... [2020-10-28 08:50:54,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 08:50:54,670 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 08:50:54,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 08:50:54,848 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 08:50:54,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 08:50:54,887 INFO L208 MainTranslator]: Completed translation [2020-10-28 08:50:54,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:54 WrapperNode [2020-10-28 08:50:54,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 08:50:54,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 08:50:54,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 08:50:54,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 08:50:54,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:54" (1/1) ... [2020-10-28 08:50:54,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:54" (1/1) ... [2020-10-28 08:50:54,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:54" (1/1) ... [2020-10-28 08:50:54,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:54" (1/1) ... [2020-10-28 08:50:54,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:54" (1/1) ... [2020-10-28 08:50:54,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:54" (1/1) ... [2020-10-28 08:50:54,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:54" (1/1) ... [2020-10-28 08:50:54,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 08:50:54,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 08:50:54,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 08:50:54,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 08:50:54,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:54" (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 [2020-10-28 08:50:55,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 08:50:55,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 08:50:55,053 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 08:50:55,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-28 08:50:55,053 INFO L138 BoogieDeclarations]: Found implementation of procedure incrementArray [2020-10-28 08:50:55,054 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 08:50:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 08:50:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 08:50:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 08:50:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 08:50:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 08:50:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 08:50:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-28 08:50:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 08:50:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure incrementArray [2020-10-28 08:50:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 08:50:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 08:50:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 08:50:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 08:50:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 08:50:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 08:50:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 08:50:55,407 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 08:50:55,407 INFO L298 CfgBuilder]: Removed 3 assume(true) statements. [2020-10-28 08:50:55,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:50:55 BoogieIcfgContainer [2020-10-28 08:50:55,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 08:50:55,413 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 08:50:55,413 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 08:50:55,419 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 08:50:55,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 08:50:54" (1/3) ... [2020-10-28 08:50:55,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60dd4918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:50:55, skipping insertion in model container [2020-10-28 08:50:55,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:54" (2/3) ... [2020-10-28 08:50:55,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60dd4918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:50:55, skipping insertion in model container [2020-10-28 08:50:55,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:50:55" (3/3) ... [2020-10-28 08:50:55,425 INFO L111 eAbstractionObserver]: Analyzing ICFG sanfoundry_43_ground.i [2020-10-28 08:50:55,448 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 08:50:55,460 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 08:50:55,501 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 08:50:55,547 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 08:50:55,548 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 08:50:55,548 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 08:50:55,548 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 08:50:55,548 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 08:50:55,548 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 08:50:55,548 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 08:50:55,549 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 08:50:55,572 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2020-10-28 08:50:55,579 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 08:50:55,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 22 states. [2020-10-28 08:50:55,707 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2020-10-28 08:50:55,708 INFO L274 CegarLoopResult]: For program point reach_errorENTRY(line 12) no Hoare annotation was computed. [2020-10-28 08:50:55,708 INFO L274 CegarLoopResult]: For program point L12-1(line 12) no Hoare annotation was computed. [2020-10-28 08:50:55,708 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-10-28 08:50:55,708 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-28 08:50:55,708 INFO L274 CegarLoopResult]: For program point L19-2(lines 19 21) no Hoare annotation was computed. [2020-10-28 08:50:55,709 INFO L277 CegarLoopResult]: At program point L19-3(lines 19 21) the Hoare annotation is: true [2020-10-28 08:50:55,710 INFO L274 CegarLoopResult]: For program point L19-4(lines 16 22) no Hoare annotation was computed. [2020-10-28 08:50:55,711 INFO L277 CegarLoopResult]: At program point incrementArrayENTRY(lines 16 22) the Hoare annotation is: true [2020-10-28 08:50:55,711 INFO L274 CegarLoopResult]: For program point incrementArrayEXIT(lines 16 22) no Hoare annotation was computed. [2020-10-28 08:50:55,711 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 08:50:55,711 INFO L277 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-10-28 08:50:55,712 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 08:50:55,712 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 08:50:55,712 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-28 08:50:55,712 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 08:50:55,712 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 08:50:55,712 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 23 38) no Hoare annotation was computed. [2020-10-28 08:50:55,712 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 23 38) no Hoare annotation was computed. [2020-10-28 08:50:55,713 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-28 08:50:55,713 INFO L274 CegarLoopResult]: For program point L34-2(lines 34 36) no Hoare annotation was computed. [2020-10-28 08:50:55,714 INFO L277 CegarLoopResult]: At program point L34-3(lines 34 36) the Hoare annotation is: true [2020-10-28 08:50:55,714 INFO L274 CegarLoopResult]: For program point L34-4(lines 34 36) no Hoare annotation was computed. [2020-10-28 08:50:55,715 INFO L277 CegarLoopResult]: At program point mainENTRY(lines 23 38) the Hoare annotation is: true [2020-10-28 08:50:55,715 INFO L274 CegarLoopResult]: For program point L28-2(lines 28 30) no Hoare annotation was computed. [2020-10-28 08:50:55,715 INFO L277 CegarLoopResult]: At program point L28-3(lines 28 30) the Hoare annotation is: true [2020-10-28 08:50:55,716 INFO L277 CegarLoopResult]: At program point L28-4(lines 28 30) the Hoare annotation is: true [2020-10-28 08:50:55,716 INFO L274 CegarLoopResult]: For program point __VERIFIER_assertENTRY(line 13) no Hoare annotation was computed. [2020-10-28 08:50:55,716 INFO L274 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed. [2020-10-28 08:50:55,716 INFO L274 CegarLoopResult]: For program point L13-1(line 13) no Hoare annotation was computed. [2020-10-28 08:50:55,716 INFO L274 CegarLoopResult]: For program point L13-2(line 13) no Hoare annotation was computed. [2020-10-28 08:50:55,716 INFO L274 CegarLoopResult]: For program point __VERIFIER_assertEXIT(line 13) no Hoare annotation was computed. [2020-10-28 08:50:55,717 INFO L274 CegarLoopResult]: For program point L13-4(line 13) no Hoare annotation was computed. [2020-10-28 08:50:55,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 08:50:55 BoogieIcfgContainer [2020-10-28 08:50:55,731 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 08:50:55,735 INFO L168 Benchmark]: Toolchain (without parser) took 1108.67 ms. Allocated memory is still 151.0 MB. Free memory was 132.0 MB in the beginning and 107.7 MB in the end (delta: 24.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2020-10-28 08:50:55,737 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 151.0 MB. Free memory was 122.5 MB in the beginning and 122.4 MB in the end (delta: 134.0 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 08:50:55,742 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.00 ms. Allocated memory is still 151.0 MB. Free memory was 131.1 MB in the beginning and 121.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-28 08:50:55,744 INFO L168 Benchmark]: Boogie Preprocessor took 50.75 ms. Allocated memory is still 151.0 MB. Free memory was 121.7 MB in the beginning and 133.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 5.3 MB. Max. memory is 8.0 GB. [2020-10-28 08:50:55,746 INFO L168 Benchmark]: RCFGBuilder took 468.87 ms. Allocated memory is still 151.0 MB. Free memory was 133.9 MB in the beginning and 117.6 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2020-10-28 08:50:55,748 INFO L168 Benchmark]: TraceAbstraction took 318.16 ms. Allocated memory is still 151.0 MB. Free memory was 117.2 MB in the beginning and 107.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-28 08:50:55,761 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 151.0 MB. Free memory was 122.5 MB in the beginning and 122.4 MB in the end (delta: 134.0 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 258.00 ms. Allocated memory is still 151.0 MB. Free memory was 131.1 MB in the beginning and 121.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 50.75 ms. Allocated memory is still 151.0 MB. Free memory was 121.7 MB in the beginning and 133.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 5.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 468.87 ms. Allocated memory is still 151.0 MB. Free memory was 133.9 MB in the beginning and 117.6 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 318.16 ms. Allocated memory is still 151.0 MB. Free memory was 117.2 MB in the beginning and 107.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 9 NumberOfFragments, 9 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...