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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:17:02,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:17:02,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:17:02,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:17:02,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:17:02,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:17:02,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:17:02,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:17:02,732 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:17:02,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:17:02,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:17:02,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:17:02,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:17:02,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:17:02,743 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:17:02,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:17:02,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:17:02,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:17:02,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:17:02,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:17:02,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:17:02,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:17:02,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:17:02,763 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:17:02,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-14 23:17:02,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:17:02,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:17:02,773 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:17:02,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:17:02,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:17:02,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:17:02,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:17:02,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:17:02,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:17:02,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:17:02,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:17:02,782 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 23:17:02,799 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:17:02,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:17:02,801 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:17:02,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:17:02,802 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:17:02,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:17:02,802 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:17:02,803 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:17:02,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:17:02,803 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:17:02,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:17:02,804 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:17:02,804 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:17:02,805 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:17:02,805 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:17:02,805 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:17:02,805 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:17:02,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:17:02,806 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:17:02,806 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:17:02,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:17:02,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:17:02,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:17:02,807 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:17:02,807 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:17:02,807 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:17:02,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:17:02,808 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:17:02,808 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:17:03,093 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:17:03,109 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:17:03,112 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:17:03,114 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:17:03,114 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:17:03,115 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2019-10-14 23:17:03,185 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b4c334ed/3683b6f5b0a24530b2d2cf7cad7fe97c/FLAGf2a69591a [2019-10-14 23:17:03,664 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:17:03,665 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2019-10-14 23:17:03,672 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b4c334ed/3683b6f5b0a24530b2d2cf7cad7fe97c/FLAGf2a69591a [2019-10-14 23:17:04,060 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b4c334ed/3683b6f5b0a24530b2d2cf7cad7fe97c [2019-10-14 23:17:04,070 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:17:04,071 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:17:04,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:17:04,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:17:04,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:17:04,076 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:17:04" (1/1) ... [2019-10-14 23:17:04,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d4771d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:17:04, skipping insertion in model container [2019-10-14 23:17:04,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:17:04" (1/1) ... [2019-10-14 23:17:04,087 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:17:04,111 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:17:04,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:17:04,323 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:17:04,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:17:04,482 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:17:04,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:17:04 WrapperNode [2019-10-14 23:17:04,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:17:04,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:17:04,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:17:04,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:17:04,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:17:04" (1/1) ... [2019-10-14 23:17:04,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:17:04" (1/1) ... [2019-10-14 23:17:04,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:17:04" (1/1) ... [2019-10-14 23:17:04,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:17:04" (1/1) ... [2019-10-14 23:17:04,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:17:04" (1/1) ... [2019-10-14 23:17:04,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:17:04" (1/1) ... [2019-10-14 23:17:04,524 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:17:04" (1/1) ... [2019-10-14 23:17:04,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:17:04,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:17:04,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:17:04,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:17:04,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:17:04" (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 [2019-10-14 23:17:04,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:17:04,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:17:04,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-14 23:17:04,594 INFO L138 BoogieDeclarations]: Found implementation of procedure r_strncpy [2019-10-14 23:17:04,594 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_expression_list [2019-10-14 23:17:04,594 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:17:04,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:17:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-14 23:17:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-14 23:17:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2019-10-14 23:17:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2019-10-14 23:17:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2019-10-14 23:17:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2019-10-14 23:17:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy_ptr [2019-10-14 23:17:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2019-10-14 23:17:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-14 23:17:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2019-10-14 23:17:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-10-14 23:17:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2019-10-14 23:17:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-14 23:17:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure isascii [2019-10-14 23:17:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure isspace [2019-10-14 23:17:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2019-10-14 23:17:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure strrand [2019-10-14 23:17:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure istrrand [2019-10-14 23:17:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure istrchr [2019-10-14 23:17:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure istrrchr [2019-10-14 23:17:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure istrncmp [2019-10-14 23:17:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure istrstr [2019-10-14 23:17:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure r_strncpy [2019-10-14 23:17:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure r_strcpy [2019-10-14 23:17:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure r_strcat [2019-10-14 23:17:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure r_strncat [2019-10-14 23:17:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure r_memcpy [2019-10-14 23:17:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure parse_expression_list [2019-10-14 23:17:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:17:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:17:04,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:17:04,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:17:04,600 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:17:04,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:17:04,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:17:05,043 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:17:05,045 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-14 23:17:05,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:17:05 BoogieIcfgContainer [2019-10-14 23:17:05,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:17:05,047 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:17:05,048 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:17:05,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:17:05,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:17:04" (1/3) ... [2019-10-14 23:17:05,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10da4805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:17:05, skipping insertion in model container [2019-10-14 23:17:05,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:17:04" (2/3) ... [2019-10-14 23:17:05,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10da4805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:17:05, skipping insertion in model container [2019-10-14 23:17:05,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:17:05" (3/3) ... [2019-10-14 23:17:05,058 INFO L109 eAbstractionObserver]: Analyzing ICFG veris.c_OpenSER_cases1_stripFullBoth_arr.i [2019-10-14 23:17:05,068 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:17:05,078 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:17:05,089 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:17:05,132 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:17:05,132 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:17:05,141 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:17:05,141 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:17:05,141 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:17:05,142 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:17:05,142 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:17:05,142 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:17:05,165 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2019-10-14 23:17:05,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-14 23:17:05,172 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:17:05,174 INFO L380 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] [2019-10-14 23:17:05,175 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:17:05,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:17:05,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1663477819, now seen corresponding path program 1 times [2019-10-14 23:17:05,189 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:17:05,190 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656730605] [2019-10-14 23:17:05,190 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:17:05,191 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:17:05,191 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:17:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:17:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:17:05,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:17:05,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:17:05,409 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656730605] [2019-10-14 23:17:05,410 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:17:05,410 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-14 23:17:05,410 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948037844] [2019-10-14 23:17:05,415 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-14 23:17:05,415 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:17:05,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-14 23:17:05,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-14 23:17:05,433 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 4 states. [2019-10-14 23:17:05,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:17:05,628 INFO L93 Difference]: Finished difference Result 104 states and 142 transitions. [2019-10-14 23:17:05,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-14 23:17:05,630 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2019-10-14 23:17:05,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:17:05,638 INFO L225 Difference]: With dead ends: 104 [2019-10-14 23:17:05,638 INFO L226 Difference]: Without dead ends: 49 [2019-10-14 23:17:05,648 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-14 23:17:05,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-10-14 23:17:05,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 48. [2019-10-14 23:17:05,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-10-14 23:17:05,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 58 transitions. [2019-10-14 23:17:05,689 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 58 transitions. Word has length 32 [2019-10-14 23:17:05,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:17:05,690 INFO L462 AbstractCegarLoop]: Abstraction has 48 states and 58 transitions. [2019-10-14 23:17:05,690 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-14 23:17:05,690 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2019-10-14 23:17:05,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-14 23:17:05,692 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:17:05,692 INFO L380 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] [2019-10-14 23:17:05,693 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:17:05,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:17:05,693 INFO L82 PathProgramCache]: Analyzing trace with hash 227833136, now seen corresponding path program 1 times [2019-10-14 23:17:05,694 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:17:05,694 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131439252] [2019-10-14 23:17:05,694 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:17:05,694 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:17:05,695 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:17:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:17:05,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:17:05,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:17:05,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 23:17:05,827 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131439252] [2019-10-14 23:17:05,827 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:17:05,828 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-14 23:17:05,828 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084879390] [2019-10-14 23:17:05,832 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-14 23:17:05,833 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:17:05,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-14 23:17:05,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-14 23:17:05,834 INFO L87 Difference]: Start difference. First operand 48 states and 58 transitions. Second operand 4 states. [2019-10-14 23:17:05,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:17:05,963 INFO L93 Difference]: Finished difference Result 84 states and 104 transitions. [2019-10-14 23:17:05,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-14 23:17:05,964 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2019-10-14 23:17:05,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:17:05,965 INFO L225 Difference]: With dead ends: 84 [2019-10-14 23:17:05,965 INFO L226 Difference]: Without dead ends: 49 [2019-10-14 23:17:05,967 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-14 23:17:05,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-10-14 23:17:05,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-10-14 23:17:05,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-10-14 23:17:05,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 59 transitions. [2019-10-14 23:17:05,976 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 59 transitions. Word has length 38 [2019-10-14 23:17:05,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:17:05,976 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 59 transitions. [2019-10-14 23:17:05,976 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-14 23:17:05,976 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2019-10-14 23:17:05,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-14 23:17:05,978 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:17:05,978 INFO L380 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] [2019-10-14 23:17:05,978 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:17:05,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:17:05,979 INFO L82 PathProgramCache]: Analyzing trace with hash 446687854, now seen corresponding path program 1 times [2019-10-14 23:17:05,979 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:17:05,979 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724080473] [2019-10-14 23:17:05,980 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:17:05,980 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:17:05,980 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:17:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:17:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:17:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:17:06,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 23:17:06,132 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724080473] [2019-10-14 23:17:06,132 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:17:06,132 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-14 23:17:06,132 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808451908] [2019-10-14 23:17:06,133 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-14 23:17:06,133 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:17:06,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-14 23:17:06,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-14 23:17:06,134 INFO L87 Difference]: Start difference. First operand 49 states and 59 transitions. Second operand 6 states. [2019-10-14 23:17:06,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:17:06,332 INFO L93 Difference]: Finished difference Result 61 states and 75 transitions. [2019-10-14 23:17:06,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-14 23:17:06,333 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2019-10-14 23:17:06,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:17:06,333 INFO L225 Difference]: With dead ends: 61 [2019-10-14 23:17:06,333 INFO L226 Difference]: Without dead ends: 0 [2019-10-14 23:17:06,334 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-14 23:17:06,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-14 23:17:06,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-14 23:17:06,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-14 23:17:06,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-14 23:17:06,335 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2019-10-14 23:17:06,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:17:06,336 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-14 23:17:06,336 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-14 23:17:06,336 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-14 23:17:06,336 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-14 23:17:06,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-14 23:17:06,391 INFO L443 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2019-10-14 23:17:06,391 INFO L443 ceAbstractionStarter]: For program point L60-2(line 60) no Hoare annotation was computed. [2019-10-14 23:17:06,392 INFO L443 ceAbstractionStarter]: For program point L60-4(lines 54 72) no Hoare annotation was computed. [2019-10-14 23:17:06,392 INFO L443 ceAbstractionStarter]: For program point L56-1(line 56) no Hoare annotation was computed. [2019-10-14 23:17:06,392 INFO L443 ceAbstractionStarter]: For program point L56-3(line 56) no Hoare annotation was computed. [2019-10-14 23:17:06,392 INFO L446 ceAbstractionStarter]: At program point L56-5(line 56) the Hoare annotation is: true [2019-10-14 23:17:06,392 INFO L443 ceAbstractionStarter]: For program point L52-1(lines 52 73) no Hoare annotation was computed. [2019-10-14 23:17:06,392 INFO L443 ceAbstractionStarter]: For program point L56-6(line 56) no Hoare annotation was computed. [2019-10-14 23:17:06,393 INFO L443 ceAbstractionStarter]: For program point L52-2(lines 52 73) no Hoare annotation was computed. [2019-10-14 23:17:06,393 INFO L446 ceAbstractionStarter]: At program point L52-4(lines 52 73) the Hoare annotation is: true [2019-10-14 23:17:06,393 INFO L443 ceAbstractionStarter]: For program point L52-5(lines 52 73) no Hoare annotation was computed. [2019-10-14 23:17:06,393 INFO L439 ceAbstractionStarter]: At program point L65(line 65) the Hoare annotation is: (< parse_expression_list_~j~0 (+ parse_expression_list_~start~0 1)) [2019-10-14 23:17:06,393 INFO L443 ceAbstractionStarter]: For program point L65-1(line 65) no Hoare annotation was computed. [2019-10-14 23:17:06,394 INFO L443 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2019-10-14 23:17:06,394 INFO L443 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2019-10-14 23:17:06,394 INFO L443 ceAbstractionStarter]: For program point L57-2(line 57) no Hoare annotation was computed. [2019-10-14 23:17:06,394 INFO L439 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (< parse_expression_list_~j~0 (+ parse_expression_list_~start~0 1)) [2019-10-14 23:17:06,394 INFO L443 ceAbstractionStarter]: For program point L66-1(line 66) no Hoare annotation was computed. [2019-10-14 23:17:06,394 INFO L443 ceAbstractionStarter]: For program point parse_expression_listFINAL(lines 47 75) no Hoare annotation was computed. [2019-10-14 23:17:06,394 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 64) no Hoare annotation was computed. [2019-10-14 23:17:06,395 INFO L439 ceAbstractionStarter]: At program point parse_expression_listENTRY(lines 47 75) the Hoare annotation is: (= |#valid| |old(#valid)|) [2019-10-14 23:17:06,395 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 72) no Hoare annotation was computed. [2019-10-14 23:17:06,395 INFO L443 ceAbstractionStarter]: For program point parse_expression_listEXIT(lines 47 75) no Hoare annotation was computed. [2019-10-14 23:17:06,395 INFO L443 ceAbstractionStarter]: For program point L59-1(line 59) no Hoare annotation was computed. [2019-10-14 23:17:06,395 INFO L443 ceAbstractionStarter]: For program point L59-2(line 59) no Hoare annotation was computed. [2019-10-14 23:17:06,395 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-10-14 23:17:06,396 INFO L443 ceAbstractionStarter]: For program point L59-4(line 59) no Hoare annotation was computed. [2019-10-14 23:17:06,396 INFO L443 ceAbstractionStarter]: For program point L59-6(line 59) no Hoare annotation was computed. [2019-10-14 23:17:06,396 INFO L443 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2019-10-14 23:17:06,396 INFO L446 ceAbstractionStarter]: At program point L59-8(line 59) the Hoare annotation is: true [2019-10-14 23:17:06,396 INFO L443 ceAbstractionStarter]: For program point L59-9(line 59) no Hoare annotation was computed. [2019-10-14 23:17:06,396 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:17:06,396 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-14 23:17:06,397 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:17:06,397 INFO L443 ceAbstractionStarter]: For program point r_strncpyFINAL(line 31) no Hoare annotation was computed. [2019-10-14 23:17:06,397 INFO L443 ceAbstractionStarter]: For program point r_strncpyEXIT(line 31) no Hoare annotation was computed. [2019-10-14 23:17:06,397 INFO L446 ceAbstractionStarter]: At program point r_strncpyENTRY(line 31) the Hoare annotation is: true [2019-10-14 23:17:06,397 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:17:06,397 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-14 23:17:06,397 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-14 23:17:06,398 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:17:06,398 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 76 85) the Hoare annotation is: (= |#valid| |old(#valid)|) [2019-10-14 23:17:06,398 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 76 85) no Hoare annotation was computed. [2019-10-14 23:17:06,398 INFO L446 ceAbstractionStarter]: At program point L83(line 83) the Hoare annotation is: true [2019-10-14 23:17:06,398 INFO L443 ceAbstractionStarter]: For program point L83-1(line 83) no Hoare annotation was computed. [2019-10-14 23:17:06,398 INFO L443 ceAbstractionStarter]: For program point L79-2(lines 79 81) no Hoare annotation was computed. [2019-10-14 23:17:06,399 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 76 85) no Hoare annotation was computed. [2019-10-14 23:17:06,399 INFO L446 ceAbstractionStarter]: At program point L79-3(lines 79 81) the Hoare annotation is: true [2019-10-14 23:17:06,399 INFO L443 ceAbstractionStarter]: For program point L79-4(lines 79 81) no Hoare annotation was computed. [2019-10-14 23:17:06,399 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-10-14 23:17:06,399 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2019-10-14 23:17:06,399 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2019-10-14 23:17:06,400 INFO L443 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-10-14 23:17:06,400 INFO L443 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-10-14 23:17:06,400 INFO L443 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2019-10-14 23:17:06,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:17:06 BoogieIcfgContainer [2019-10-14 23:17:06,407 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-14 23:17:06,410 INFO L168 Benchmark]: Toolchain (without parser) took 2338.14 ms. Allocated memory was 146.8 MB in the beginning and 232.8 MB in the end (delta: 86.0 MB). Free memory was 103.0 MB in the beginning and 151.4 MB in the end (delta: -48.4 MB). Peak memory consumption was 37.5 MB. Max. memory is 7.1 GB. [2019-10-14 23:17:06,411 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 146.8 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-14 23:17:06,412 INFO L168 Benchmark]: CACSL2BoogieTranslator took 411.18 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 102.8 MB in the beginning and 180.5 MB in the end (delta: -77.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2019-10-14 23:17:06,413 INFO L168 Benchmark]: Boogie Preprocessor took 44.34 ms. Allocated memory is still 204.5 MB. Free memory was 180.5 MB in the beginning and 178.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-10-14 23:17:06,414 INFO L168 Benchmark]: RCFGBuilder took 518.05 ms. Allocated memory is still 204.5 MB. Free memory was 178.5 MB in the beginning and 149.9 MB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. [2019-10-14 23:17:06,415 INFO L168 Benchmark]: TraceAbstraction took 1360.14 ms. Allocated memory was 204.5 MB in the beginning and 232.8 MB in the end (delta: 28.3 MB). Free memory was 149.9 MB in the beginning and 151.4 MB in the end (delta: -1.5 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-10-14 23:17:06,419 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 146.8 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 411.18 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 102.8 MB in the beginning and 180.5 MB in the end (delta: -77.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.34 ms. Allocated memory is still 204.5 MB. Free memory was 180.5 MB in the beginning and 178.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 518.05 ms. Allocated memory is still 204.5 MB. Free memory was 178.5 MB in the beginning and 149.9 MB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1360.14 ms. Allocated memory was 204.5 MB in the beginning and 232.8 MB in the end (delta: 28.3 MB). Free memory was 149.9 MB in the beginning and 151.4 MB in the end (delta: -1.5 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * 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: 79]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 55 locations, 1 error locations. Result: SAFE, OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 159 SDtfs, 39 SDslu, 211 SDs, 0 SdLazy, 230 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 24 PreInvPairs, 33 NumberOfFragments, 35 HoareAnnotationTreeSize, 24 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 40 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 5372 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...