/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 00:48:11,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 00:48:11,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 00:48:11,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 00:48:11,493 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 00:48:11,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 00:48:11,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 00:48:11,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 00:48:11,511 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 00:48:11,512 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 00:48:11,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 00:48:11,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 00:48:11,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 00:48:11,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 00:48:11,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 00:48:11,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 00:48:11,524 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 00:48:11,526 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 00:48:11,530 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 00:48:11,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 00:48:11,536 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 00:48:11,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 00:48:11,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 00:48:11,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 00:48:11,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-18 00:48:11,550 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 00:48:11,551 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 00:48:11,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 00:48:11,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 00:48:11,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 00:48:11,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 00:48:11,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 00:48:11,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 00:48:11,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 00:48:11,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 00:48:11,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 00:48:11,560 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 00:48:11,574 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 00:48:11,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 00:48:11,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 00:48:11,578 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 00:48:11,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 00:48:11,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 00:48:11,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 00:48:11,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 00:48:11,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 00:48:11,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 00:48:11,582 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 00:48:11,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 00:48:11,583 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 00:48:11,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 00:48:11,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 00:48:11,584 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 00:48:11,584 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 00:48:11,584 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 00:48:11,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:48:11,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 00:48:11,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 00:48:11,585 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 00:48:11,585 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-18 00:48:11,877 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 00:48:11,896 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 00:48:11,901 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 00:48:11,903 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 00:48:11,903 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 00:48:11,904 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i [2020-07-18 00:48:11,979 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e02a55767/2a9ead93541244f1957108e28f6b27cf/FLAG67fbb37ad [2020-07-18 00:48:12,429 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 00:48:12,429 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i [2020-07-18 00:48:12,436 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e02a55767/2a9ead93541244f1957108e28f6b27cf/FLAG67fbb37ad [2020-07-18 00:48:12,773 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e02a55767/2a9ead93541244f1957108e28f6b27cf [2020-07-18 00:48:12,781 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 00:48:12,784 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 00:48:12,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 00:48:12,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 00:48:12,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 00:48:12,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:48:12" (1/1) ... [2020-07-18 00:48:12,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c5ebdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:48:12, skipping insertion in model container [2020-07-18 00:48:12,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:48:12" (1/1) ... [2020-07-18 00:48:12,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 00:48:12,819 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 00:48:13,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:48:13,011 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 00:48:13,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:48:13,150 INFO L208 MainTranslator]: Completed translation [2020-07-18 00:48:13,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:48:13 WrapperNode [2020-07-18 00:48:13,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 00:48:13,151 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 00:48:13,151 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 00:48:13,151 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 00:48:13,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:48:13" (1/1) ... [2020-07-18 00:48:13,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:48:13" (1/1) ... [2020-07-18 00:48:13,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:48:13" (1/1) ... [2020-07-18 00:48:13,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:48:13" (1/1) ... [2020-07-18 00:48:13,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:48:13" (1/1) ... [2020-07-18 00:48:13,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:48:13" (1/1) ... [2020-07-18 00:48:13,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:48:13" (1/1) ... [2020-07-18 00:48:13,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 00:48:13,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 00:48:13,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 00:48:13,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 00:48:13,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:48:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-18 00:48:13,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 00:48:13,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 00:48:13,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-18 00:48:13,272 INFO L138 BoogieDeclarations]: Found implementation of procedure r_strncpy [2020-07-18 00:48:13,272 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_expression_list [2020-07-18 00:48:13,272 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 00:48:13,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 00:48:13,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-18 00:48:13,273 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2020-07-18 00:48:13,273 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2020-07-18 00:48:13,273 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2020-07-18 00:48:13,273 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2020-07-18 00:48:13,273 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy_ptr [2020-07-18 00:48:13,273 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-07-18 00:48:13,273 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-07-18 00:48:13,273 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2020-07-18 00:48:13,273 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-07-18 00:48:13,274 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2020-07-18 00:48:13,274 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-07-18 00:48:13,274 INFO L130 BoogieDeclarations]: Found specification of procedure isascii [2020-07-18 00:48:13,274 INFO L130 BoogieDeclarations]: Found specification of procedure isspace [2020-07-18 00:48:13,274 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2020-07-18 00:48:13,274 INFO L130 BoogieDeclarations]: Found specification of procedure strrand [2020-07-18 00:48:13,275 INFO L130 BoogieDeclarations]: Found specification of procedure istrrand [2020-07-18 00:48:13,275 INFO L130 BoogieDeclarations]: Found specification of procedure istrchr [2020-07-18 00:48:13,275 INFO L130 BoogieDeclarations]: Found specification of procedure istrrchr [2020-07-18 00:48:13,275 INFO L130 BoogieDeclarations]: Found specification of procedure istrncmp [2020-07-18 00:48:13,275 INFO L130 BoogieDeclarations]: Found specification of procedure istrstr [2020-07-18 00:48:13,275 INFO L130 BoogieDeclarations]: Found specification of procedure r_strncpy [2020-07-18 00:48:13,275 INFO L130 BoogieDeclarations]: Found specification of procedure r_strcpy [2020-07-18 00:48:13,276 INFO L130 BoogieDeclarations]: Found specification of procedure r_strcat [2020-07-18 00:48:13,276 INFO L130 BoogieDeclarations]: Found specification of procedure r_strncat [2020-07-18 00:48:13,276 INFO L130 BoogieDeclarations]: Found specification of procedure r_memcpy [2020-07-18 00:48:13,276 INFO L130 BoogieDeclarations]: Found specification of procedure parse_expression_list [2020-07-18 00:48:13,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 00:48:13,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 00:48:13,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 00:48:13,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 00:48:13,277 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 00:48:13,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 00:48:13,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 00:48:13,860 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 00:48:13,861 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-07-18 00:48:13,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:48:13 BoogieIcfgContainer [2020-07-18 00:48:13,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 00:48:13,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 00:48:13,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 00:48:13,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 00:48:13,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:48:12" (1/3) ... [2020-07-18 00:48:13,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70ea70d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:48:13, skipping insertion in model container [2020-07-18 00:48:13,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:48:13" (2/3) ... [2020-07-18 00:48:13,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70ea70d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:48:13, skipping insertion in model container [2020-07-18 00:48:13,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:48:13" (3/3) ... [2020-07-18 00:48:13,874 INFO L109 eAbstractionObserver]: Analyzing ICFG verisec_OpenSER_cases1_stripFullBoth_arr.i [2020-07-18 00:48:13,885 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 00:48:13,893 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 00:48:13,908 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 00:48:13,929 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 00:48:13,930 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 00:48:13,930 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-18 00:48:13,930 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 00:48:13,930 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 00:48:13,930 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 00:48:13,931 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 00:48:13,931 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 00:48:13,949 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2020-07-18 00:48:13,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-07-18 00:48:13,963 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:48:13,965 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 00:48:13,965 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:48:13,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:48:13,972 INFO L82 PathProgramCache]: Analyzing trace with hash 2116113079, now seen corresponding path program 1 times [2020-07-18 00:48:13,981 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:48:13,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1074101843] [2020-07-18 00:48:13,982 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:48:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:48:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:48:14,223 INFO L280 TraceCheckUtils]: 0: Hoare triple {141#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {126#true} is VALID [2020-07-18 00:48:14,224 INFO L280 TraceCheckUtils]: 1: Hoare triple {126#true} #valid := #valid[0 := 0]; {126#true} is VALID [2020-07-18 00:48:14,224 INFO L280 TraceCheckUtils]: 2: Hoare triple {126#true} assume 0 < #StackHeapBarrier; {126#true} is VALID [2020-07-18 00:48:14,224 INFO L280 TraceCheckUtils]: 3: Hoare triple {126#true} assume true; {126#true} is VALID [2020-07-18 00:48:14,225 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {126#true} {126#true} #205#return; {126#true} is VALID [2020-07-18 00:48:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:48:14,237 INFO L280 TraceCheckUtils]: 0: Hoare triple {126#true} ~dest.base, ~dest.offset := #in~dest.base, #in~dest.offset; {126#true} is VALID [2020-07-18 00:48:14,238 INFO L280 TraceCheckUtils]: 1: Hoare triple {126#true} ~src.base, ~src.offset := #in~src.base, #in~src.offset; {126#true} is VALID [2020-07-18 00:48:14,239 INFO L280 TraceCheckUtils]: 2: Hoare triple {126#true} ~n := #in~n; {126#true} is VALID [2020-07-18 00:48:14,239 INFO L280 TraceCheckUtils]: 3: Hoare triple {126#true} SUMMARY for call #t~ret0.base, #t~ret0.offset := strncpy(~dest.base, ~dest.offset, ~src.base, ~src.offset, ~n); srcloc: L30-2 {126#true} is VALID [2020-07-18 00:48:14,240 INFO L280 TraceCheckUtils]: 4: Hoare triple {126#true} #res.base, #res.offset := #t~ret0.base, #t~ret0.offset; {126#true} is VALID [2020-07-18 00:48:14,240 INFO L280 TraceCheckUtils]: 5: Hoare triple {126#true} havoc #t~ret0.base, #t~ret0.offset; {126#true} is VALID [2020-07-18 00:48:14,241 INFO L280 TraceCheckUtils]: 6: Hoare triple {126#true} assume true; {126#true} is VALID [2020-07-18 00:48:14,241 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {126#true} {127#false} #201#return; {127#false} is VALID [2020-07-18 00:48:14,243 INFO L263 TraceCheckUtils]: 0: Hoare triple {126#true} call ULTIMATE.init(); {141#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 00:48:14,244 INFO L280 TraceCheckUtils]: 1: Hoare triple {141#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {126#true} is VALID [2020-07-18 00:48:14,244 INFO L280 TraceCheckUtils]: 2: Hoare triple {126#true} #valid := #valid[0 := 0]; {126#true} is VALID [2020-07-18 00:48:14,245 INFO L280 TraceCheckUtils]: 3: Hoare triple {126#true} assume 0 < #StackHeapBarrier; {126#true} is VALID [2020-07-18 00:48:14,245 INFO L280 TraceCheckUtils]: 4: Hoare triple {126#true} assume true; {126#true} is VALID [2020-07-18 00:48:14,246 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {126#true} {126#true} #205#return; {126#true} is VALID [2020-07-18 00:48:14,246 INFO L263 TraceCheckUtils]: 6: Hoare triple {126#true} call #t~ret21 := main(); {126#true} is VALID [2020-07-18 00:48:14,246 INFO L280 TraceCheckUtils]: 7: Hoare triple {126#true} SUMMARY for call ~#A~0.base, ~#A~0.offset := #Ultimate.allocOnStack(9); srcloc: mainENTRY {126#true} is VALID [2020-07-18 00:48:14,247 INFO L280 TraceCheckUtils]: 8: Hoare triple {126#true} SUMMARY for call write~int(0, ~#A~0.base, 8 + ~#A~0.offset, 1); srcloc: L74 {126#true} is VALID [2020-07-18 00:48:14,247 INFO L263 TraceCheckUtils]: 9: Hoare triple {126#true} call #t~ret20 := parse_expression_list(~#A~0.base, ~#A~0.offset); {126#true} is VALID [2020-07-18 00:48:14,248 INFO L280 TraceCheckUtils]: 10: Hoare triple {126#true} ~str.base, ~str.offset := #in~str.base, #in~str.offset; {126#true} is VALID [2020-07-18 00:48:14,248 INFO L280 TraceCheckUtils]: 11: Hoare triple {126#true} ~start~0 := 0; {126#true} is VALID [2020-07-18 00:48:14,248 INFO L280 TraceCheckUtils]: 12: Hoare triple {126#true} ~i~0 := -1; {126#true} is VALID [2020-07-18 00:48:14,249 INFO L280 TraceCheckUtils]: 13: Hoare triple {126#true} ~j~0 := -1; {126#true} is VALID [2020-07-18 00:48:14,249 INFO L280 TraceCheckUtils]: 14: Hoare triple {126#true} SUMMARY for call ~#str2~0.base, ~#str2~0.offset := #Ultimate.allocOnStack(2); srcloc: L49 {126#true} is VALID [2020-07-18 00:48:14,250 INFO L280 TraceCheckUtils]: 15: Hoare triple {126#true} assume !(~str.base == 0 && ~str.offset == 0); {126#true} is VALID [2020-07-18 00:48:14,250 INFO L280 TraceCheckUtils]: 16: Hoare triple {126#true} #t~post2 := ~i~0; {126#true} is VALID [2020-07-18 00:48:14,251 INFO L280 TraceCheckUtils]: 17: Hoare triple {126#true} ~i~0 := 1 + #t~post2; {126#true} is VALID [2020-07-18 00:48:14,251 INFO L280 TraceCheckUtils]: 18: Hoare triple {126#true} havoc #t~post2; {126#true} is VALID [2020-07-18 00:48:14,251 INFO L280 TraceCheckUtils]: 19: Hoare triple {126#true} SUMMARY for call #t~mem3 := read~int(~str.base, ~str.offset + ~i~0, 1); srcloc: L53 {126#true} is VALID [2020-07-18 00:48:14,252 INFO L280 TraceCheckUtils]: 20: Hoare triple {126#true} #t~switch4 := 0 == #t~mem3; {126#true} is VALID [2020-07-18 00:48:14,252 INFO L280 TraceCheckUtils]: 21: Hoare triple {126#true} assume #t~switch4; {126#true} is VALID [2020-07-18 00:48:14,254 INFO L280 TraceCheckUtils]: 22: Hoare triple {126#true} assume !true; {127#false} is VALID [2020-07-18 00:48:14,255 INFO L280 TraceCheckUtils]: 23: Hoare triple {127#false} SUMMARY for call #t~mem9 := read~int(~str.base, ~str.offset + ~start~0, 1); srcloc: L55-18 {127#false} is VALID [2020-07-18 00:48:14,255 INFO L280 TraceCheckUtils]: 24: Hoare triple {127#false} assume !(34 == #t~mem9); {127#false} is VALID [2020-07-18 00:48:14,256 INFO L280 TraceCheckUtils]: 25: Hoare triple {127#false} havoc #t~mem9; {127#false} is VALID [2020-07-18 00:48:14,256 INFO L280 TraceCheckUtils]: 26: Hoare triple {127#false} ~j~0 := ~i~0 - 1; {127#false} is VALID [2020-07-18 00:48:14,257 INFO L280 TraceCheckUtils]: 27: Hoare triple {127#false} assume !true; {127#false} is VALID [2020-07-18 00:48:14,257 INFO L280 TraceCheckUtils]: 28: Hoare triple {127#false} #t~short17 := 0 < ~j~0; {127#false} is VALID [2020-07-18 00:48:14,258 INFO L280 TraceCheckUtils]: 29: Hoare triple {127#false} assume !#t~short17; {127#false} is VALID [2020-07-18 00:48:14,258 INFO L280 TraceCheckUtils]: 30: Hoare triple {127#false} assume !#t~short17; {127#false} is VALID [2020-07-18 00:48:14,258 INFO L280 TraceCheckUtils]: 31: Hoare triple {127#false} havoc #t~short17; {127#false} is VALID [2020-07-18 00:48:14,261 INFO L280 TraceCheckUtils]: 32: Hoare triple {127#false} havoc #t~mem16; {127#false} is VALID [2020-07-18 00:48:14,261 INFO L280 TraceCheckUtils]: 33: Hoare triple {127#false} assume ~start~0 <= ~j~0; {127#false} is VALID [2020-07-18 00:48:14,262 INFO L263 TraceCheckUtils]: 34: Hoare triple {127#false} call #t~ret19.base, #t~ret19.offset := r_strncpy(~#str2~0.base, ~#str2~0.offset, ~str.base, ~str.offset + ~start~0, 1 + (~j~0 - ~start~0)); {126#true} is VALID [2020-07-18 00:48:14,262 INFO L280 TraceCheckUtils]: 35: Hoare triple {126#true} ~dest.base, ~dest.offset := #in~dest.base, #in~dest.offset; {126#true} is VALID [2020-07-18 00:48:14,262 INFO L280 TraceCheckUtils]: 36: Hoare triple {126#true} ~src.base, ~src.offset := #in~src.base, #in~src.offset; {126#true} is VALID [2020-07-18 00:48:14,263 INFO L280 TraceCheckUtils]: 37: Hoare triple {126#true} ~n := #in~n; {126#true} is VALID [2020-07-18 00:48:14,263 INFO L280 TraceCheckUtils]: 38: Hoare triple {126#true} SUMMARY for call #t~ret0.base, #t~ret0.offset := strncpy(~dest.base, ~dest.offset, ~src.base, ~src.offset, ~n); srcloc: L30-2 {126#true} is VALID [2020-07-18 00:48:14,264 INFO L280 TraceCheckUtils]: 39: Hoare triple {126#true} #res.base, #res.offset := #t~ret0.base, #t~ret0.offset; {126#true} is VALID [2020-07-18 00:48:14,264 INFO L280 TraceCheckUtils]: 40: Hoare triple {126#true} havoc #t~ret0.base, #t~ret0.offset; {126#true} is VALID [2020-07-18 00:48:14,265 INFO L280 TraceCheckUtils]: 41: Hoare triple {126#true} assume true; {126#true} is VALID [2020-07-18 00:48:14,265 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {126#true} {127#false} #201#return; {127#false} is VALID [2020-07-18 00:48:14,267 INFO L280 TraceCheckUtils]: 43: Hoare triple {127#false} havoc #t~ret19.base, #t~ret19.offset; {127#false} is VALID [2020-07-18 00:48:14,267 INFO L263 TraceCheckUtils]: 44: Hoare triple {127#false} call __VERIFIER_assert((if 1 + (~j~0 - ~start~0) < 2 then 1 else 0)); {127#false} is VALID [2020-07-18 00:48:14,268 INFO L280 TraceCheckUtils]: 45: Hoare triple {127#false} ~cond := #in~cond; {127#false} is VALID [2020-07-18 00:48:14,268 INFO L280 TraceCheckUtils]: 46: Hoare triple {127#false} assume 0 == ~cond; {127#false} is VALID [2020-07-18 00:48:14,269 INFO L280 TraceCheckUtils]: 47: Hoare triple {127#false} assume !false; {127#false} is VALID [2020-07-18 00:48:14,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:48:14,388 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:48:14,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1074101843] [2020-07-18 00:48:14,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:48:14,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-18 00:48:14,397 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131416684] [2020-07-18 00:48:14,403 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 48 [2020-07-18 00:48:14,406 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:48:14,410 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-18 00:48:14,413 WARN L140 InductivityCheck]: Transition 144#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) ( _ , assume !false; , 127#false ) not inductive [2020-07-18 00:48:14,414 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 00:48:14,414 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: inductivity failed at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.evaluateResult(InductivityCheck.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.checkInductivity(InductivityCheck.java:103) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.(InductivityCheck.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.constructInterpolantAutomaton(BasicCegarLoop.java:583) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:455) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-18 00:48:14,420 INFO L168 Benchmark]: Toolchain (without parser) took 1636.54 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 101.2 MB in the beginning and 88.8 MB in the end (delta: 12.4 MB). Peak memory consumption was 75.8 MB. Max. memory is 7.1 GB. [2020-07-18 00:48:14,421 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-18 00:48:14,422 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.45 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 100.8 MB in the beginning and 179.0 MB in the end (delta: -78.2 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2020-07-18 00:48:14,423 INFO L168 Benchmark]: Boogie Preprocessor took 58.55 ms. Allocated memory is still 201.3 MB. Free memory was 179.0 MB in the beginning and 176.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2020-07-18 00:48:14,424 INFO L168 Benchmark]: RCFGBuilder took 655.91 ms. Allocated memory is still 201.3 MB. Free memory was 176.6 MB in the beginning and 126.7 MB in the end (delta: 49.9 MB). Peak memory consumption was 49.9 MB. Max. memory is 7.1 GB. [2020-07-18 00:48:14,425 INFO L168 Benchmark]: TraceAbstraction took 549.74 ms. Allocated memory is still 201.3 MB. Free memory was 126.7 MB in the beginning and 88.8 MB in the end (delta: 37.9 MB). Peak memory consumption was 37.9 MB. Max. memory is 7.1 GB. [2020-07-18 00:48:14,429 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 365.45 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 100.8 MB in the beginning and 179.0 MB in the end (delta: -78.2 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 58.55 ms. Allocated memory is still 201.3 MB. Free memory was 179.0 MB in the beginning and 176.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 655.91 ms. Allocated memory is still 201.3 MB. Free memory was 176.6 MB in the beginning and 126.7 MB in the end (delta: 49.9 MB). Peak memory consumption was 49.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 549.74 ms. Allocated memory is still 201.3 MB. Free memory was 126.7 MB in the beginning and 88.8 MB in the end (delta: 37.9 MB). Peak memory consumption was 37.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: inductivity failed de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: inductivity failed: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.evaluateResult(InductivityCheck.java:142) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...