/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/openssl-simplified/s3_srvr_1a.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 01:41:45,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 01:41:45,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 01:41:45,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 01:41:45,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 01:41:45,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 01:41:45,287 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 01:41:45,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 01:41:45,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 01:41:45,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 01:41:45,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 01:41:45,296 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 01:41:45,297 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 01:41:45,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 01:41:45,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 01:41:45,313 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 01:41:45,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 01:41:45,321 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 01:41:45,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 01:41:45,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 01:41:45,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 01:41:45,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 01:41:45,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 01:41:45,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 01:41:45,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 01:41:45,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 01:41:45,360 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 01:41:45,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 01:41:45,363 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 01:41:45,364 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 01:41:45,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 01:41:45,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 01:41:45,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 01:41:45,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 01:41:45,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 01:41:45,376 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 01:41:45,377 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 01:41:45,430 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 01:41:45,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 01:41:45,435 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 01:41:45,436 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 01:41:45,436 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 01:41:45,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 01:41:45,437 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 01:41:45,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 01:41:45,437 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 01:41:45,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 01:41:45,438 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 01:41:45,439 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 01:41:45,439 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 01:41:45,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 01:41:45,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 01:41:45,440 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 01:41:45,440 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 01:41:45,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 01:41:45,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 01:41:45,441 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 01:41:45,441 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 01:41:45,441 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 01:41:45,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 01:41:45,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 01:41:45,442 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 01:41:45,442 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 01:41:45,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 01:41:45,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 01:41:45,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 01:41:45,918 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 01:41:45,918 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 01:41:45,919 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openssl-simplified/s3_srvr_1a.cil.c [2020-12-23 01:41:46,002 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9d50ebc82/d09cea26575c4bdeaa7fb23f527438b3/FLAG649d74fbd [2020-12-23 01:41:46,646 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 01:41:46,647 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_srvr_1a.cil.c [2020-12-23 01:41:46,660 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9d50ebc82/d09cea26575c4bdeaa7fb23f527438b3/FLAG649d74fbd [2020-12-23 01:41:46,955 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9d50ebc82/d09cea26575c4bdeaa7fb23f527438b3 [2020-12-23 01:41:46,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 01:41:46,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 01:41:46,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 01:41:46,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 01:41:46,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 01:41:46,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:41:46" (1/1) ... [2020-12-23 01:41:46,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a798180 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:41:46, skipping insertion in model container [2020-12-23 01:41:46,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:41:46" (1/1) ... [2020-12-23 01:41:46,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 01:41:47,030 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] [2020-12-23 01:41:47,237 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_srvr_1a.cil.c[13706,13719] [2020-12-23 01:41:47,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:41:47,254 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] [2020-12-23 01:41:47,291 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_srvr_1a.cil.c[13706,13719] [2020-12-23 01:41:47,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:41:47,324 INFO L208 MainTranslator]: Completed translation [2020-12-23 01:41:47,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:41:47 WrapperNode [2020-12-23 01:41:47,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 01:41:47,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 01:41:47,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 01:41:47,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 01:41:47,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:41:47" (1/1) ... [2020-12-23 01:41:47,350 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:41:47" (1/1) ... [2020-12-23 01:41:47,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 01:41:47,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 01:41:47,395 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 01:41:47,395 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 01:41:47,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:41:47" (1/1) ... [2020-12-23 01:41:47,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:41:47" (1/1) ... [2020-12-23 01:41:47,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:41:47" (1/1) ... [2020-12-23 01:41:47,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:41:47" (1/1) ... [2020-12-23 01:41:47,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:41:47" (1/1) ... [2020-12-23 01:41:47,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:41:47" (1/1) ... [2020-12-23 01:41:47,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:41:47" (1/1) ... [2020-12-23 01:41:47,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 01:41:47,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 01:41:47,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 01:41:47,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 01:41:47,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:41:47" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/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 [2020-12-23 01:41:47,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 01:41:47,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 01:41:47,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 01:41:47,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 01:41:48,088 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 01:41:48,089 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2020-12-23 01:41:48,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:41:48 BoogieIcfgContainer [2020-12-23 01:41:48,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 01:41:48,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 01:41:48,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 01:41:48,110 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 01:41:48,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 01:41:46" (1/3) ... [2020-12-23 01:41:48,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73eba91a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:41:48, skipping insertion in model container [2020-12-23 01:41:48,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:41:47" (2/3) ... [2020-12-23 01:41:48,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73eba91a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:41:48, skipping insertion in model container [2020-12-23 01:41:48,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:41:48" (3/3) ... [2020-12-23 01:41:48,117 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_1a.cil.c [2020-12-23 01:41:48,124 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 01:41:48,129 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 01:41:48,150 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 01:41:48,177 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 01:41:48,177 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 01:41:48,177 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 01:41:48,177 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 01:41:48,178 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 01:41:48,178 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 01:41:48,178 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 01:41:48,178 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 01:41:48,196 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2020-12-23 01:41:48,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-23 01:41:48,202 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:41:48,203 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-23 01:41:48,203 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:41:48,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:41:48,210 INFO L82 PathProgramCache]: Analyzing trace with hash 28699930, now seen corresponding path program 1 times [2020-12-23 01:41:48,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:41:48,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532594110] [2020-12-23 01:41:48,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:41:48,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:41:48,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:41:48,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532594110] [2020-12-23 01:41:48,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:41:48,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:41:48,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589929717] [2020-12-23 01:41:48,432 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:41:48,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:41:48,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:41:48,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:41:48,456 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 3 states. [2020-12-23 01:41:48,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:41:48,563 INFO L93 Difference]: Finished difference Result 131 states and 218 transitions. [2020-12-23 01:41:48,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:41:48,565 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-12-23 01:41:48,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:41:48,584 INFO L225 Difference]: With dead ends: 131 [2020-12-23 01:41:48,584 INFO L226 Difference]: Without dead ends: 79 [2020-12-23 01:41:48,589 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:41:48,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-12-23 01:41:48,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2020-12-23 01:41:48,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-12-23 01:41:48,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 121 transitions. [2020-12-23 01:41:48,684 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 121 transitions. Word has length 5 [2020-12-23 01:41:48,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:41:48,684 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 121 transitions. [2020-12-23 01:41:48,685 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:41:48,685 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 121 transitions. [2020-12-23 01:41:48,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-23 01:41:48,686 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:41:48,686 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:41:48,687 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 01:41:48,687 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:41:48,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:41:48,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1485309586, now seen corresponding path program 1 times [2020-12-23 01:41:48,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:41:48,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404615212] [2020-12-23 01:41:48,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:41:48,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:41:48,797 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:41:48,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404615212] [2020-12-23 01:41:48,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:41:48,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:41:48,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767002313] [2020-12-23 01:41:48,802 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:41:48,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:41:48,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:41:48,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:41:48,805 INFO L87 Difference]: Start difference. First operand 79 states and 121 transitions. Second operand 3 states. [2020-12-23 01:41:48,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:41:48,952 INFO L93 Difference]: Finished difference Result 156 states and 246 transitions. [2020-12-23 01:41:48,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:41:48,953 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-12-23 01:41:48,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:41:48,960 INFO L225 Difference]: With dead ends: 156 [2020-12-23 01:41:48,960 INFO L226 Difference]: Without dead ends: 116 [2020-12-23 01:41:48,963 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:41:48,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-12-23 01:41:48,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2020-12-23 01:41:48,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-12-23 01:41:49,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 175 transitions. [2020-12-23 01:41:49,003 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 175 transitions. Word has length 10 [2020-12-23 01:41:49,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:41:49,004 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 175 transitions. [2020-12-23 01:41:49,004 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:41:49,004 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 175 transitions. [2020-12-23 01:41:49,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-23 01:41:49,005 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:41:49,005 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:41:49,006 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 01:41:49,007 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:41:49,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:41:49,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1152886494, now seen corresponding path program 1 times [2020-12-23 01:41:49,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:41:49,011 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716899612] [2020-12-23 01:41:49,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:41:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:41:49,104 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-23 01:41:49,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716899612] [2020-12-23 01:41:49,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:41:49,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:41:49,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202873170] [2020-12-23 01:41:49,109 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:41:49,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:41:49,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:41:49,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:41:49,112 INFO L87 Difference]: Start difference. First operand 116 states and 175 transitions. Second operand 3 states. [2020-12-23 01:41:49,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:41:49,231 INFO L93 Difference]: Finished difference Result 230 states and 355 transitions. [2020-12-23 01:41:49,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:41:49,232 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-12-23 01:41:49,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:41:49,234 INFO L225 Difference]: With dead ends: 230 [2020-12-23 01:41:49,234 INFO L226 Difference]: Without dead ends: 153 [2020-12-23 01:41:49,242 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:41:49,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-12-23 01:41:49,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2020-12-23 01:41:49,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-12-23 01:41:49,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 230 transitions. [2020-12-23 01:41:49,275 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 230 transitions. Word has length 16 [2020-12-23 01:41:49,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:41:49,278 INFO L481 AbstractCegarLoop]: Abstraction has 153 states and 230 transitions. [2020-12-23 01:41:49,279 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:41:49,280 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 230 transitions. [2020-12-23 01:41:49,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-23 01:41:49,282 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:41:49,282 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:41:49,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 01:41:49,283 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:41:49,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:41:49,283 INFO L82 PathProgramCache]: Analyzing trace with hash -77104047, now seen corresponding path program 1 times [2020-12-23 01:41:49,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:41:49,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705347349] [2020-12-23 01:41:49,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:41:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:41:49,332 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-23 01:41:49,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705347349] [2020-12-23 01:41:49,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:41:49,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:41:49,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949468812] [2020-12-23 01:41:49,334 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:41:49,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:41:49,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:41:49,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:41:49,336 INFO L87 Difference]: Start difference. First operand 153 states and 230 transitions. Second operand 3 states. [2020-12-23 01:41:49,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:41:49,435 INFO L93 Difference]: Finished difference Result 321 states and 484 transitions. [2020-12-23 01:41:49,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:41:49,436 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2020-12-23 01:41:49,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:41:49,438 INFO L225 Difference]: With dead ends: 321 [2020-12-23 01:41:49,438 INFO L226 Difference]: Without dead ends: 170 [2020-12-23 01:41:49,439 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:41:49,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-12-23 01:41:49,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 168. [2020-12-23 01:41:49,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-12-23 01:41:49,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 246 transitions. [2020-12-23 01:41:49,455 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 246 transitions. Word has length 31 [2020-12-23 01:41:49,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:41:49,456 INFO L481 AbstractCegarLoop]: Abstraction has 168 states and 246 transitions. [2020-12-23 01:41:49,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:41:49,456 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 246 transitions. [2020-12-23 01:41:49,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-23 01:41:49,458 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:41:49,459 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:41:49,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 01:41:49,462 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:41:49,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:41:49,463 INFO L82 PathProgramCache]: Analyzing trace with hash 1611839695, now seen corresponding path program 1 times [2020-12-23 01:41:49,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:41:49,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547748653] [2020-12-23 01:41:49,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:41:49,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:41:49,508 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 01:41:49,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547748653] [2020-12-23 01:41:49,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:41:49,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:41:49,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097217206] [2020-12-23 01:41:49,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:41:49,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:41:49,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:41:49,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:41:49,511 INFO L87 Difference]: Start difference. First operand 168 states and 246 transitions. Second operand 3 states. [2020-12-23 01:41:49,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:41:49,661 INFO L93 Difference]: Finished difference Result 378 states and 567 transitions. [2020-12-23 01:41:49,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:41:49,664 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2020-12-23 01:41:49,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:41:49,667 INFO L225 Difference]: With dead ends: 378 [2020-12-23 01:41:49,667 INFO L226 Difference]: Without dead ends: 212 [2020-12-23 01:41:49,671 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:41:49,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-12-23 01:41:49,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 207. [2020-12-23 01:41:49,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-12-23 01:41:49,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 285 transitions. [2020-12-23 01:41:49,697 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 285 transitions. Word has length 31 [2020-12-23 01:41:49,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:41:49,697 INFO L481 AbstractCegarLoop]: Abstraction has 207 states and 285 transitions. [2020-12-23 01:41:49,697 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:41:49,698 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 285 transitions. [2020-12-23 01:41:49,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-23 01:41:49,700 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:41:49,700 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:41:49,701 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 01:41:49,701 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:41:49,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:41:49,701 INFO L82 PathProgramCache]: Analyzing trace with hash -359756882, now seen corresponding path program 1 times [2020-12-23 01:41:49,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:41:49,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009307993] [2020-12-23 01:41:49,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:41:49,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:41:49,755 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 01:41:49,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009307993] [2020-12-23 01:41:49,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:41:49,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:41:49,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349290466] [2020-12-23 01:41:49,757 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:41:49,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:41:49,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:41:49,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:41:49,758 INFO L87 Difference]: Start difference. First operand 207 states and 285 transitions. Second operand 3 states. [2020-12-23 01:41:49,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:41:49,818 INFO L93 Difference]: Finished difference Result 415 states and 578 transitions. [2020-12-23 01:41:49,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:41:49,819 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-12-23 01:41:49,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:41:49,821 INFO L225 Difference]: With dead ends: 415 [2020-12-23 01:41:49,821 INFO L226 Difference]: Without dead ends: 265 [2020-12-23 01:41:49,822 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:41:49,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2020-12-23 01:41:49,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 263. [2020-12-23 01:41:49,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2020-12-23 01:41:49,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 365 transitions. [2020-12-23 01:41:49,837 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 365 transitions. Word has length 45 [2020-12-23 01:41:49,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:41:49,838 INFO L481 AbstractCegarLoop]: Abstraction has 263 states and 365 transitions. [2020-12-23 01:41:49,838 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:41:49,838 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 365 transitions. [2020-12-23 01:41:49,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-23 01:41:49,840 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:41:49,841 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:41:49,841 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 01:41:49,841 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:41:49,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:41:49,842 INFO L82 PathProgramCache]: Analyzing trace with hash -1572307813, now seen corresponding path program 1 times [2020-12-23 01:41:49,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:41:49,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205811765] [2020-12-23 01:41:49,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:41:49,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:41:49,890 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-23 01:41:49,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205811765] [2020-12-23 01:41:49,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:41:49,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:41:49,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300654090] [2020-12-23 01:41:49,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:41:49,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:41:49,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:41:49,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:41:49,893 INFO L87 Difference]: Start difference. First operand 263 states and 365 transitions. Second operand 3 states. [2020-12-23 01:41:50,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:41:50,009 INFO L93 Difference]: Finished difference Result 522 states and 739 transitions. [2020-12-23 01:41:50,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:41:50,010 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2020-12-23 01:41:50,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:41:50,012 INFO L225 Difference]: With dead ends: 522 [2020-12-23 01:41:50,012 INFO L226 Difference]: Without dead ends: 183 [2020-12-23 01:41:50,013 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:41:50,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-12-23 01:41:50,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 180. [2020-12-23 01:41:50,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2020-12-23 01:41:50,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 233 transitions. [2020-12-23 01:41:50,022 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 233 transitions. Word has length 48 [2020-12-23 01:41:50,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:41:50,022 INFO L481 AbstractCegarLoop]: Abstraction has 180 states and 233 transitions. [2020-12-23 01:41:50,023 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:41:50,023 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 233 transitions. [2020-12-23 01:41:50,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-23 01:41:50,025 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:41:50,025 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:41:50,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 01:41:50,026 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:41:50,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:41:50,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1927293386, now seen corresponding path program 1 times [2020-12-23 01:41:50,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:41:50,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279778585] [2020-12-23 01:41:50,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:41:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:41:50,099 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-12-23 01:41:50,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279778585] [2020-12-23 01:41:50,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:41:50,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:41:50,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774773376] [2020-12-23 01:41:50,101 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:41:50,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:41:50,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:41:50,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:41:50,103 INFO L87 Difference]: Start difference. First operand 180 states and 233 transitions. Second operand 3 states. [2020-12-23 01:41:50,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:41:50,117 INFO L93 Difference]: Finished difference Result 273 states and 334 transitions. [2020-12-23 01:41:50,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:41:50,117 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2020-12-23 01:41:50,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:41:50,118 INFO L225 Difference]: With dead ends: 273 [2020-12-23 01:41:50,118 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 01:41:50,119 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:41:50,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 01:41:50,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 01:41:50,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 01:41:50,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 01:41:50,120 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2020-12-23 01:41:50,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:41:50,120 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 01:41:50,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:41:50,121 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 01:41:50,121 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 01:41:50,121 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 01:41:50,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 01:41:50,650 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 01:41:50,650 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 01:41:50,650 INFO L192 CegarLoopUtils]: At program point L218(lines 10 219) the Hoare annotation is: true [2020-12-23 01:41:50,651 INFO L189 CegarLoopUtils]: For program point L70(lines 70 187) no Hoare annotation was computed. [2020-12-23 01:41:50,651 INFO L189 CegarLoopUtils]: For program point L62(lines 62 191) no Hoare annotation was computed. [2020-12-23 01:41:50,651 INFO L189 CegarLoopUtils]: For program point L153-1(lines 76 185) no Hoare annotation was computed. [2020-12-23 01:41:50,651 INFO L189 CegarLoopUtils]: For program point L54(lines 54 195) no Hoare annotation was computed. [2020-12-23 01:41:50,651 INFO L189 CegarLoopUtils]: For program point L87-1(lines 76 185) no Hoare annotation was computed. [2020-12-23 01:41:50,651 INFO L185 CegarLoopUtils]: At program point L178(lines 24 213) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_main_~blastFlag~0 3))) (or (and (<= 8640 ULTIMATE.start_main_~s__state~0) (not (= ULTIMATE.start_main_~s__hit~0 0)) .cse0) (= ULTIMATE.start_main_~blastFlag~0 1) (= ULTIMATE.start_main_~blastFlag~0 2) (= ULTIMATE.start_main_~blastFlag~0 0) (and .cse0 (<= 8672 ULTIMATE.start_main_~s__state~0)))) [2020-12-23 01:41:50,651 INFO L189 CegarLoopUtils]: For program point L46(lines 46 199) no Hoare annotation was computed. [2020-12-23 01:41:50,652 INFO L189 CegarLoopUtils]: For program point L137(lines 137 141) no Hoare annotation was computed. [2020-12-23 01:41:50,652 INFO L185 CegarLoopUtils]: At program point L71(lines 70 187) the Hoare annotation is: (let ((.cse0 (<= 8640 ULTIMATE.start_main_~s__state~0))) (or (and .cse0 (not (= ULTIMATE.start_main_~s__hit~0 0)) (<= ULTIMATE.start_main_~blastFlag~0 3)) (and .cse0 (= ULTIMATE.start_main_~blastFlag~0 2)) (and .cse0 (= ULTIMATE.start_main_~blastFlag~0 0)) (and .cse0 (= ULTIMATE.start_main_~blastFlag~0 1)))) [2020-12-23 01:41:50,652 INFO L189 CegarLoopUtils]: For program point L38(lines 38 203) no Hoare annotation was computed. [2020-12-23 01:41:50,652 INFO L185 CegarLoopUtils]: At program point L63(lines 62 191) the Hoare annotation is: (or (= ULTIMATE.start_main_~blastFlag~0 1) (= ULTIMATE.start_main_~blastFlag~0 2) (= ULTIMATE.start_main_~blastFlag~0 0)) [2020-12-23 01:41:50,652 INFO L185 CegarLoopUtils]: At program point L55(lines 54 195) the Hoare annotation is: (or (= ULTIMATE.start_main_~blastFlag~0 1) (= ULTIMATE.start_main_~blastFlag~0 2) (= ULTIMATE.start_main_~blastFlag~0 0)) [2020-12-23 01:41:50,653 INFO L185 CegarLoopUtils]: At program point L47(lines 46 199) the Hoare annotation is: (or (= ULTIMATE.start_main_~blastFlag~0 1) (= ULTIMATE.start_main_~blastFlag~0 2) (= ULTIMATE.start_main_~blastFlag~0 0)) [2020-12-23 01:41:50,653 INFO L189 CegarLoopUtils]: For program point L80-1(lines 80 82) no Hoare annotation was computed. [2020-12-23 01:41:50,653 INFO L189 CegarLoopUtils]: For program point L171-1(lines 76 185) no Hoare annotation was computed. [2020-12-23 01:41:50,653 INFO L185 CegarLoopUtils]: At program point L39(lines 38 203) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~s__state~0 8512))) (or (and .cse0 (= ULTIMATE.start_main_~blastFlag~0 2)) (and (= ULTIMATE.start_main_~blastFlag~0 1) .cse0) (and .cse0 (= ULTIMATE.start_main_~blastFlag~0 0)))) [2020-12-23 01:41:50,653 INFO L189 CegarLoopUtils]: For program point L31(lines 31 206) no Hoare annotation was computed. [2020-12-23 01:41:50,654 INFO L185 CegarLoopUtils]: At program point L122(lines 115 124) the Hoare annotation is: (or (= ULTIMATE.start_main_~blastFlag~0 1) (= ULTIMATE.start_main_~blastFlag~0 2) (= ULTIMATE.start_main_~blastFlag~0 0)) [2020-12-23 01:41:50,654 INFO L185 CegarLoopUtils]: At program point L114(lines 107 125) the Hoare annotation is: (or (= ULTIMATE.start_main_~blastFlag~0 1) (= ULTIMATE.start_main_~blastFlag~0 2) (= ULTIMATE.start_main_~blastFlag~0 0)) [2020-12-23 01:41:50,654 INFO L189 CegarLoopUtils]: For program point L164-1(lines 164 166) no Hoare annotation was computed. [2020-12-23 01:41:50,654 INFO L185 CegarLoopUtils]: At program point L32(lines 31 206) the Hoare annotation is: (or (= ULTIMATE.start_main_~blastFlag~0 1) (= ULTIMATE.start_main_~blastFlag~0 2) (= ULTIMATE.start_main_~blastFlag~0 0)) [2020-12-23 01:41:50,654 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 01:41:50,654 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 217) no Hoare annotation was computed. [2020-12-23 01:41:50,655 INFO L189 CegarLoopUtils]: For program point L107(lines 107 125) no Hoare annotation was computed. [2020-12-23 01:41:50,655 INFO L189 CegarLoopUtils]: For program point L74(lines 74 185) no Hoare annotation was computed. [2020-12-23 01:41:50,655 INFO L189 CegarLoopUtils]: For program point L66(lines 66 189) no Hoare annotation was computed. [2020-12-23 01:41:50,655 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 01:41:50,655 INFO L189 CegarLoopUtils]: For program point L58(lines 58 193) no Hoare annotation was computed. [2020-12-23 01:41:50,655 INFO L189 CegarLoopUtils]: For program point L25(line 25) no Hoare annotation was computed. [2020-12-23 01:41:50,655 INFO L192 CegarLoopUtils]: At program point L215(lines 10 219) the Hoare annotation is: true [2020-12-23 01:41:50,656 INFO L189 CegarLoopUtils]: For program point L116(lines 116 120) no Hoare annotation was computed. [2020-12-23 01:41:50,656 INFO L189 CegarLoopUtils]: For program point L50(lines 50 197) no Hoare annotation was computed. [2020-12-23 01:41:50,656 INFO L189 CegarLoopUtils]: For program point L174(lines 174 176) no Hoare annotation was computed. [2020-12-23 01:41:50,656 INFO L189 CegarLoopUtils]: For program point L108(lines 108 112) no Hoare annotation was computed. [2020-12-23 01:41:50,656 INFO L185 CegarLoopUtils]: At program point L75(lines 74 185) the Hoare annotation is: (and (<= ULTIMATE.start_main_~blastFlag~0 3) (<= 8672 ULTIMATE.start_main_~s__state~0)) [2020-12-23 01:41:50,656 INFO L189 CegarLoopUtils]: For program point L42(lines 42 201) no Hoare annotation was computed. [2020-12-23 01:41:50,657 INFO L185 CegarLoopUtils]: At program point L67(lines 66 189) the Hoare annotation is: (let ((.cse0 (<= 8640 ULTIMATE.start_main_~s__state~0))) (or (and .cse0 (not (= ULTIMATE.start_main_~s__hit~0 0)) (<= ULTIMATE.start_main_~blastFlag~0 3)) (and .cse0 (= ULTIMATE.start_main_~blastFlag~0 2)) (and .cse0 (= ULTIMATE.start_main_~blastFlag~0 0)) (and .cse0 (= ULTIMATE.start_main_~blastFlag~0 1)))) [2020-12-23 01:41:50,657 INFO L189 CegarLoopUtils]: For program point L34(lines 34 205) no Hoare annotation was computed. [2020-12-23 01:41:50,657 INFO L185 CegarLoopUtils]: At program point L59(lines 58 193) the Hoare annotation is: (or (= ULTIMATE.start_main_~blastFlag~0 1) (= ULTIMATE.start_main_~blastFlag~0 2) (= ULTIMATE.start_main_~blastFlag~0 0)) [2020-12-23 01:41:50,657 INFO L185 CegarLoopUtils]: At program point L51(lines 50 197) the Hoare annotation is: (or (= ULTIMATE.start_main_~blastFlag~0 1) (= ULTIMATE.start_main_~blastFlag~0 2) (= ULTIMATE.start_main_~blastFlag~0 0)) [2020-12-23 01:41:50,658 INFO L185 CegarLoopUtils]: At program point L175(lines 10 219) the Hoare annotation is: false [2020-12-23 01:41:50,658 INFO L185 CegarLoopUtils]: At program point L43(lines 42 201) the Hoare annotation is: (or (= ULTIMATE.start_main_~blastFlag~0 1) (= ULTIMATE.start_main_~blastFlag~0 2) (= ULTIMATE.start_main_~blastFlag~0 0)) [2020-12-23 01:41:50,658 INFO L185 CegarLoopUtils]: At program point L35(lines 34 205) the Hoare annotation is: (or (= ULTIMATE.start_main_~blastFlag~0 1) (= ULTIMATE.start_main_~blastFlag~0 2) (= ULTIMATE.start_main_~blastFlag~0 0)) [2020-12-23 01:41:50,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 01:41:50 BoogieIcfgContainer [2020-12-23 01:41:50,683 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 01:41:50,683 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 01:41:50,683 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 01:41:50,684 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 01:41:50,685 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:41:48" (3/4) ... [2020-12-23 01:41:50,689 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 01:41:50,702 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-23 01:41:50,702 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-23 01:41:50,703 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 01:41:50,703 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 01:41:50,766 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/openssl-simplified/s3_srvr_1a.cil.c-witness.graphml [2020-12-23 01:41:50,766 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 01:41:50,768 INFO L168 Benchmark]: Toolchain (without parser) took 3806.51 ms. Allocated memory was 157.3 MB in the beginning and 188.7 MB in the end (delta: 31.5 MB). Free memory was 131.5 MB in the beginning and 125.4 MB in the end (delta: 6.1 MB). Peak memory consumption was 38.3 MB. Max. memory is 8.0 GB. [2020-12-23 01:41:50,769 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 157.3 MB. Free memory is still 129.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 01:41:50,770 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.41 ms. Allocated memory is still 157.3 MB. Free memory was 131.2 MB in the beginning and 120.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-12-23 01:41:50,770 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.47 ms. Allocated memory is still 157.3 MB. Free memory was 120.5 MB in the beginning and 118.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 01:41:50,771 INFO L168 Benchmark]: Boogie Preprocessor took 62.75 ms. Allocated memory is still 157.3 MB. Free memory was 118.9 MB in the beginning and 117.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 01:41:50,771 INFO L168 Benchmark]: RCFGBuilder took 636.10 ms. Allocated memory is still 157.3 MB. Free memory was 117.6 MB in the beginning and 131.2 MB in the end (delta: -13.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-12-23 01:41:50,772 INFO L168 Benchmark]: TraceAbstraction took 2583.40 ms. Allocated memory was 157.3 MB in the beginning and 188.7 MB in the end (delta: 31.5 MB). Free memory was 131.2 MB in the beginning and 129.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 81.3 MB. Max. memory is 8.0 GB. [2020-12-23 01:41:50,773 INFO L168 Benchmark]: Witness Printer took 82.73 ms. Allocated memory is still 188.7 MB. Free memory was 129.6 MB in the beginning and 125.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-23 01:41:50,776 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 157.3 MB. Free memory is still 129.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 361.41 ms. Allocated memory is still 157.3 MB. Free memory was 131.2 MB in the beginning and 120.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 65.47 ms. Allocated memory is still 157.3 MB. Free memory was 120.5 MB in the beginning and 118.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 62.75 ms. Allocated memory is still 157.3 MB. Free memory was 118.9 MB in the beginning and 117.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 636.10 ms. Allocated memory is still 157.3 MB. Free memory was 117.6 MB in the beginning and 131.2 MB in the end (delta: -13.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2583.40 ms. Allocated memory was 157.3 MB in the beginning and 188.7 MB in the end (delta: 31.5 MB). Free memory was 131.2 MB in the beginning and 129.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 81.3 MB. Max. memory is 8.0 GB. * Witness Printer took 82.73 ms. Allocated memory is still 188.7 MB. Free memory was 129.6 MB in the beginning and 125.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 217]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (blastFlag == 1 || blastFlag == 2) || blastFlag == 0 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: (blastFlag == 1 || blastFlag == 2) || blastFlag == 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: (blastFlag == 1 || blastFlag == 2) || blastFlag == 0 - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: ((s__state == 8512 && blastFlag == 2) || (blastFlag == 1 && s__state == 8512)) || (s__state == 8512 && blastFlag == 0) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((((8640 <= s__state && !(s__hit == 0)) && blastFlag <= 3) || (8640 <= s__state && blastFlag == 2)) || (8640 <= s__state && blastFlag == 0)) || (8640 <= s__state && blastFlag == 1) - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: (blastFlag == 1 || blastFlag == 2) || blastFlag == 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (((((8640 <= s__state && !(s__hit == 0)) && blastFlag <= 3) || blastFlag == 1) || blastFlag == 2) || blastFlag == 0) || (blastFlag <= 3 && 8672 <= s__state) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: (blastFlag == 1 || blastFlag == 2) || blastFlag == 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (blastFlag == 1 || blastFlag == 2) || blastFlag == 0 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: (blastFlag == 1 || blastFlag == 2) || blastFlag == 0 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: (blastFlag == 1 || blastFlag == 2) || blastFlag == 0 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: blastFlag <= 3 && 8672 <= s__state - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (blastFlag == 1 || blastFlag == 2) || blastFlag == 0 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (blastFlag == 1 || blastFlag == 2) || blastFlag == 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: ((((8640 <= s__state && !(s__hit == 0)) && blastFlag <= 3) || (8640 <= s__state && blastFlag == 2)) || (8640 <= s__state && blastFlag == 0)) || (8640 <= s__state && blastFlag == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.9s, OverallIterations: 8, TraceHistogramMax: 6, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 613 SDtfs, 246 SDslu, 321 SDs, 0 SdLazy, 239 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=263occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 12 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 18 PreInvPairs, 85 NumberOfFragments, 226 HoareAnnotationTreeSize, 18 FomulaSimplifications, 203 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 18 FomulaSimplificationsInter, 165 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 24506 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 218/218 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...