/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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 SingleStatement --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=WIDEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/array-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:26:30,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:26:30,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:26:30,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:26:30,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:26:30,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:26:30,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:26:30,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:26:30,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:26:30,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:26:30,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:26:30,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:26:30,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:26:30,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:26:30,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:26:30,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:26:30,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:26:30,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:26:30,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:26:30,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:26:30,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:26:30,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:26:30,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:26:30,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:26:30,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:26:30,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:26:30,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:26:30,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:26:30,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:26:30,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:26:30,492 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:26:30,493 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:26:30,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:26:30,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:26:30,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:26:30,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:26:30,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:26:30,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:26:30,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:26:30,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:26:30,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:26:30,514 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 [2020-09-25 03:26:30,567 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:26:30,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:26:30,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:26:30,570 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:26:30,570 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:26:30,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:26:30,571 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:26:30,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:26:30,571 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:26:30,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:26:30,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:26:30,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:26:30,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:26:30,573 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:26:30,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:26:30,574 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:26:30,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:26:30,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:26:30,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:26:30,575 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:26:30,575 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:26:30,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:26:30,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:26:30,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:26:30,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:26:30,576 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:26:30,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:26:30,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:26:30,576 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:26:30,577 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> SingleStatement 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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=true; [2020-09-25 03:26:31,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:26:31,099 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:26:31,103 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:26:31,105 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:26:31,105 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:26:31,106 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/array-1.c [2020-09-25 03:26:31,186 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dada3ca9a/caed3cf9f3c4488487769e1280a79254/FLAG370aa0b03 [2020-09-25 03:26:31,701 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:26:31,702 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loops/array-1.c [2020-09-25 03:26:31,710 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dada3ca9a/caed3cf9f3c4488487769e1280a79254/FLAG370aa0b03 [2020-09-25 03:26:32,064 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dada3ca9a/caed3cf9f3c4488487769e1280a79254 [2020-09-25 03:26:32,077 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:26:32,084 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:26:32,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:26:32,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:26:32,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:26:32,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:26:32" (1/1) ... [2020-09-25 03:26:32,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69fa69d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:32, skipping insertion in model container [2020-09-25 03:26:32,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:26:32" (1/1) ... [2020-09-25 03:26:32,114 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:26:32,139 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:26:32,370 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:26:32,376 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:26:32,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:26:32,429 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:26:32,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:32 WrapperNode [2020-09-25 03:26:32,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:26:32,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:26:32,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:26:32,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:26:32,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:32" (1/1) ... [2020-09-25 03:26:32,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:32" (1/1) ... [2020-09-25 03:26:32,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:32" (1/1) ... [2020-09-25 03:26:32,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:32" (1/1) ... [2020-09-25 03:26:32,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:32" (1/1) ... [2020-09-25 03:26:32,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:32" (1/1) ... [2020-09-25 03:26:32,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:32" (1/1) ... [2020-09-25 03:26:32,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:26:32,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:26:32,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:26:32,564 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:26:32,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:32" (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 [2020-09-25 03:26:32,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:26:32,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:26:32,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-25 03:26:32,645 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:26:32,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:26:32,646 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-25 03:26:32,646 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:26:32,646 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:26:32,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 03:26:32,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 03:26:32,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 03:26:32,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 03:26:32,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:26:32,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:26:32,911 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:26:32,911 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-25 03:26:32,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:26:32 BoogieIcfgContainer [2020-09-25 03:26:32,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:26:32,918 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:26:32,919 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:26:32,923 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:26:32,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:26:32" (1/3) ... [2020-09-25 03:26:32,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c090d76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:26:32, skipping insertion in model container [2020-09-25 03:26:32,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:32" (2/3) ... [2020-09-25 03:26:32,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c090d76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:26:32, skipping insertion in model container [2020-09-25 03:26:32,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:26:32" (3/3) ... [2020-09-25 03:26:32,927 INFO L109 eAbstractionObserver]: Analyzing ICFG array-1.c [2020-09-25 03:26:32,949 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:26:32,972 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:26:33,009 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:26:33,064 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:26:33,065 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:26:33,065 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:26:33,065 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:26:33,065 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:26:33,065 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:26:33,066 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:26:33,066 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:26:33,089 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2020-09-25 03:26:33,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-25 03:26:33,095 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:26:33,097 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:26:33,097 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:26:33,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:26:33,104 INFO L82 PathProgramCache]: Analyzing trace with hash 683487989, now seen corresponding path program 1 times [2020-09-25 03:26:33,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:26:33,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1335691781] [2020-09-25 03:26:33,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:26:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:26:33,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:33,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:26:33,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-25 03:26:33,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:26:33,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 357 [2020-09-25 03:26:33,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:26:33,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 03:26:33,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-25 03:26:33,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 03:26:33,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 03:26:33,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:26:33,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:26:33,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:33,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:26:33,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:26:33,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:26:33,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 03:26:33,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:26:33,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:26:33,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:26:33,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:26:33,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:26:33,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:26:33,850 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1335691781] [2020-09-25 03:26:33,852 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:26:33,852 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 03:26:33,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529218311] [2020-09-25 03:26:33,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 03:26:33,861 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:26:33,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 03:26:33,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-25 03:26:33,883 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 5 states. [2020-09-25 03:26:34,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:26:34,138 INFO L93 Difference]: Finished difference Result 75 states and 82 transitions. [2020-09-25 03:26:34,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 03:26:34,140 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-09-25 03:26:34,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:26:34,151 INFO L225 Difference]: With dead ends: 75 [2020-09-25 03:26:34,152 INFO L226 Difference]: Without dead ends: 49 [2020-09-25 03:26:34,156 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-25 03:26:34,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-09-25 03:26:34,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 37. [2020-09-25 03:26:34,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-09-25 03:26:34,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2020-09-25 03:26:34,207 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 22 [2020-09-25 03:26:34,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:26:34,208 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2020-09-25 03:26:34,208 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 03:26:34,209 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2020-09-25 03:26:34,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-09-25 03:26:34,210 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:26:34,210 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:26:34,211 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:26:34,211 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:26:34,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:26:34,212 INFO L82 PathProgramCache]: Analyzing trace with hash 403649603, now seen corresponding path program 1 times [2020-09-25 03:26:34,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:26:34,213 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1912613396] [2020-09-25 03:26:34,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:26:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:26:34,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:34,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:35,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:26:35,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 03:26:35,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:26:35,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 899 [2020-09-25 03:26:35,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:26:35,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 03:26:35,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-25 03:26:35,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-25 03:26:35,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 03:26:35,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:26:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:26:35,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:35,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:26:35,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:26:35,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:26:35,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 03:26:35,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:26:35,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:26:35,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:26:35,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:26:35,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:26:35,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:26:35,344 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1912613396] [2020-09-25 03:26:35,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 03:26:35,345 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-25 03:26:35,345 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037807733] [2020-09-25 03:26:35,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 03:26:35,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:26:35,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 03:26:35,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-09-25 03:26:35,349 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand 10 states. [2020-09-25 03:26:35,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:26:35,754 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2020-09-25 03:26:35,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 03:26:35,755 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 32 [2020-09-25 03:26:35,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:26:35,757 INFO L225 Difference]: With dead ends: 49 [2020-09-25 03:26:35,757 INFO L226 Difference]: Without dead ends: 43 [2020-09-25 03:26:35,759 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2020-09-25 03:26:35,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-09-25 03:26:35,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2020-09-25 03:26:35,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-09-25 03:26:35,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions. [2020-09-25 03:26:35,768 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 32 [2020-09-25 03:26:35,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:26:35,768 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 41 transitions. [2020-09-25 03:26:35,769 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 03:26:35,769 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2020-09-25 03:26:35,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-09-25 03:26:35,770 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:26:35,771 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:26:35,771 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:26:35,771 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:26:35,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:26:35,772 INFO L82 PathProgramCache]: Analyzing trace with hash -913737726, now seen corresponding path program 1 times [2020-09-25 03:26:35,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:26:35,773 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1857364028] [2020-09-25 03:26:35,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:26:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:26:35,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:35,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:36,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:26:36,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 03:26:36,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:26:36,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 970 [2020-09-25 03:26:36,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:26:36,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 03:26:36,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-25 03:26:36,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 03:26:36,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:26:36,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:26:36,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:26:36,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:36,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:26:36,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:26:36,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:26:36,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:26:36,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:26:36,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:26:36,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:26:36,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:26:36,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:26:37,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:26:37,009 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1857364028] [2020-09-25 03:26:37,010 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 03:26:37,010 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-25 03:26:37,010 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023246621] [2020-09-25 03:26:37,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 03:26:37,012 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:26:37,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 03:26:37,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-09-25 03:26:37,013 INFO L87 Difference]: Start difference. First operand 40 states and 41 transitions. Second operand 10 states. [2020-09-25 03:26:37,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:26:37,390 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2020-09-25 03:26:37,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 03:26:37,390 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 35 [2020-09-25 03:26:37,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:26:37,391 INFO L225 Difference]: With dead ends: 43 [2020-09-25 03:26:37,391 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 03:26:37,397 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2020-09-25 03:26:37,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 03:26:37,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 03:26:37,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 03:26:37,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 03:26:37,400 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2020-09-25 03:26:37,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:26:37,400 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 03:26:37,400 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 03:26:37,401 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 03:26:37,401 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 03:26:37,401 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 03:26:37,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 03:26:37,681 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-25 03:26:37,682 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-09-25 03:26:37,682 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-25 03:26:37,682 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-09-25 03:26:37,682 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-25 03:26:37,683 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-25 03:26:37,683 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-25 03:26:37,683 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-25 03:26:37,683 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-25 03:26:37,683 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 11 29) no Hoare annotation was computed. [2020-09-25 03:26:37,684 INFO L268 CegarLoopResult]: For program point L23(line 23) no Hoare annotation was computed. [2020-09-25 03:26:37,684 INFO L268 CegarLoopResult]: For program point L23-1(line 23) no Hoare annotation was computed. [2020-09-25 03:26:37,684 INFO L268 CegarLoopResult]: For program point L23-2(line 23) no Hoare annotation was computed. [2020-09-25 03:26:37,684 INFO L268 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed. [2020-09-25 03:26:37,684 INFO L268 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2020-09-25 03:26:37,684 INFO L268 CegarLoopResult]: For program point L17-1(line 17) no Hoare annotation was computed. [2020-09-25 03:26:37,684 INFO L268 CegarLoopResult]: For program point L19-3(lines 19 24) no Hoare annotation was computed. [2020-09-25 03:26:37,685 INFO L268 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed. [2020-09-25 03:26:37,685 INFO L268 CegarLoopResult]: For program point L17-2(line 17) no Hoare annotation was computed. [2020-09-25 03:26:37,685 INFO L268 CegarLoopResult]: For program point L19-4(line 19) no Hoare annotation was computed. [2020-09-25 03:26:37,685 INFO L268 CegarLoopResult]: For program point L15-1(line 15) no Hoare annotation was computed. [2020-09-25 03:26:37,685 INFO L268 CegarLoopResult]: For program point L19-5(line 19) no Hoare annotation was computed. [2020-09-25 03:26:37,686 INFO L264 CegarLoopResult]: At program point L19-6(lines 19 24) the Hoare annotation is: (let ((.cse1 (<= 1 main_~SIZE~0)) (.cse2 (select (select |#memory_int| |main_~#array~0.base|) |main_~#array~0.offset|)) (.cse3 (<= main_~SIZE~0 1))) (or (let ((.cse0 (div main_~SIZE~0 4294967296))) (and (or (and (<= (+ main_~j~0 1) main_~SIZE~0) (<= .cse0 (div main_~j~0 4294967296))) (and .cse1 (<= (+ main_~menor~0 1) .cse2))) .cse3 (< 0 (+ .cse0 1)))) (and .cse1 (= main_~menor~0 .cse2) .cse3))) [2020-09-25 03:26:37,686 INFO L268 CegarLoopResult]: For program point L15-2(line 15) no Hoare annotation was computed. [2020-09-25 03:26:37,686 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 11 29) no Hoare annotation was computed. [2020-09-25 03:26:37,686 INFO L268 CegarLoopResult]: For program point L19-7(lines 19 24) no Hoare annotation was computed. [2020-09-25 03:26:37,686 INFO L268 CegarLoopResult]: For program point L15-3(line 15) no Hoare annotation was computed. [2020-09-25 03:26:37,687 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 11 29) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-09-25 03:26:37,687 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-25 03:26:37,687 INFO L264 CegarLoopResult]: At program point L26(line 26) the Hoare annotation is: (let ((.cse0 (<= 1 main_~SIZE~0)) (.cse2 (<= main_~SIZE~0 1)) (.cse1 (select (select |#memory_int| |main_~#array~0.base|) |main_~#array~0.offset|))) (or (and .cse0 (= main_~menor~0 .cse1) .cse2 (= main_~menor~0 |main_#t~mem5|)) (and .cse0 (<= main_~menor~0 |main_#t~mem5|) .cse2 (<= (+ main_~menor~0 1) .cse1)))) [2020-09-25 03:26:37,687 INFO L268 CegarLoopResult]: For program point L26-1(line 26) no Hoare annotation was computed. [2020-09-25 03:26:37,687 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-09-25 03:26:37,688 INFO L268 CegarLoopResult]: For program point L22-1(lines 22 23) no Hoare annotation was computed. [2020-09-25 03:26:37,691 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed. [2020-09-25 03:26:37,691 INFO L268 CegarLoopResult]: For program point L22-2(line 22) no Hoare annotation was computed. [2020-09-25 03:26:37,692 INFO L268 CegarLoopResult]: For program point L20-1(line 20) no Hoare annotation was computed. [2020-09-25 03:26:37,692 INFO L268 CegarLoopResult]: For program point L20-2(line 20) no Hoare annotation was computed. [2020-09-25 03:26:37,692 INFO L268 CegarLoopResult]: For program point L22-4(line 22) no Hoare annotation was computed. [2020-09-25 03:26:37,693 INFO L268 CegarLoopResult]: For program point L14(line 14) no Hoare annotation was computed. [2020-09-25 03:26:37,693 INFO L268 CegarLoopResult]: For program point L14-1(line 14) no Hoare annotation was computed. [2020-09-25 03:26:37,693 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2020-09-25 03:26:37,693 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2020-09-25 03:26:37,693 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-09-25 03:26:37,694 INFO L268 CegarLoopResult]: For program point L4(lines 4 6) no Hoare annotation was computed. [2020-09-25 03:26:37,694 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-09-25 03:26:37,694 INFO L268 CegarLoopResult]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2020-09-25 03:26:37,711 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 03:26:37,713 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 03:26:37,725 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 03:26:37,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 03:26:37,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 03:26:37 BoogieIcfgContainer [2020-09-25 03:26:37,741 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 03:26:37,751 INFO L168 Benchmark]: Toolchain (without parser) took 5670.02 ms. Allocated memory was 144.7 MB in the beginning and 250.6 MB in the end (delta: 105.9 MB). Free memory was 99.6 MB in the beginning and 195.3 MB in the end (delta: -95.7 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2020-09-25 03:26:37,752 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 144.7 MB. Free memory was 118.1 MB in the beginning and 117.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 03:26:37,754 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.65 ms. Allocated memory is still 144.7 MB. Free memory was 99.0 MB in the beginning and 89.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-09-25 03:26:37,756 INFO L168 Benchmark]: Boogie Preprocessor took 132.05 ms. Allocated memory was 144.7 MB in the beginning and 200.3 MB in the end (delta: 55.6 MB). Free memory was 89.0 MB in the beginning and 178.0 MB in the end (delta: -89.1 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-09-25 03:26:37,759 INFO L168 Benchmark]: RCFGBuilder took 354.05 ms. Allocated memory is still 200.3 MB. Free memory was 177.4 MB in the beginning and 161.6 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2020-09-25 03:26:37,762 INFO L168 Benchmark]: TraceAbstraction took 4822.61 ms. Allocated memory was 200.3 MB in the beginning and 250.6 MB in the end (delta: 50.3 MB). Free memory was 161.6 MB in the beginning and 195.3 MB in the end (delta: -33.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. [2020-09-25 03:26:37,772 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 144.7 MB. Free memory was 118.1 MB in the beginning and 117.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 337.65 ms. Allocated memory is still 144.7 MB. Free memory was 99.0 MB in the beginning and 89.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.05 ms. Allocated memory was 144.7 MB in the beginning and 200.3 MB in the end (delta: 55.6 MB). Free memory was 89.0 MB in the beginning and 178.0 MB in the end (delta: -89.1 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 354.05 ms. Allocated memory is still 200.3 MB. Free memory was 177.4 MB in the beginning and 161.6 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4822.61 ms. Allocated memory was 200.3 MB in the beginning and 250.6 MB in the end (delta: 50.3 MB). Free memory was 161.6 MB in the beginning and 195.3 MB in the end (delta: -33.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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: 19]: Loop Invariant [2020-09-25 03:26:37,796 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 03:26:37,796 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 03:26:37,797 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 03:26:37,797 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((j + 1 <= SIZE && SIZE / 4294967296 <= j / 4294967296) || (1 <= SIZE && menor + 1 <= unknown-#memory_int-unknown[array][array])) && SIZE <= 1) && 0 < SIZE / 4294967296 + 1) || ((1 <= SIZE && menor == unknown-#memory_int-unknown[array][array]) && SIZE <= 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 95 SDtfs, 138 SDslu, 299 SDs, 0 SdLazy, 345 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred 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: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 15 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 9 PreInvPairs, 13 NumberOfFragments, 106 HoareAnnotationTreeSize, 9 FomulaSimplifications, 95 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 74 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 86 ConstructedInterpolants, 0 QuantifiedInterpolants, 16168 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 InterpolantCoveringCapability, 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 proved your program to be correct! Received shutdown request...