/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_1.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 21:00:07,214 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 21:00:07,217 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 21:00:07,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 21:00:07,242 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 21:00:07,243 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 21:00:07,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 21:00:07,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 21:00:07,248 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 21:00:07,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 21:00:07,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 21:00:07,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 21:00:07,252 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 21:00:07,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 21:00:07,254 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 21:00:07,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 21:00:07,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 21:00:07,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 21:00:07,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 21:00:07,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 21:00:07,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 21:00:07,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 21:00:07,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 21:00:07,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 21:00:07,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 21:00:07,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 21:00:07,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 21:00:07,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 21:00:07,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 21:00:07,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 21:00:07,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 21:00:07,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 21:00:07,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 21:00:07,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 21:00:07,280 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 21:00:07,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 21:00:07,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 21:00:07,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 21:00:07,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 21:00:07,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 21:00:07,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 21:00:07,284 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 21:00:07,307 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 21:00:07,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 21:00:07,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 21:00:07,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 21:00:07,309 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 21:00:07,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 21:00:07,309 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 21:00:07,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 21:00:07,309 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 21:00:07,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 21:00:07,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 21:00:07,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 21:00:07,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 21:00:07,310 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 21:00:07,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 21:00:07,311 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 21:00:07,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 21:00:07,311 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 21:00:07,311 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 21:00:07,312 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 21:00:07,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 21:00:07,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 21:00:07,312 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 21:00:07,312 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 21:00:07,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 21:00:07,313 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 21:00:07,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 21:00:07,313 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 21:00:07,313 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 21:00:07,314 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 21:00:07,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 21:00:07,717 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 21:00:07,722 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 21:00:07,724 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 21:00:07,726 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 21:00:07,727 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_1.cil-2.c [2020-10-12 21:00:07,807 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b4b829bb5/51ea2d9a0b1d4714911eec9713832558/FLAGbf06e9fa3 [2020-10-12 21:00:08,366 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 21:00:08,367 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_srvr_1.cil-2.c [2020-10-12 21:00:08,383 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b4b829bb5/51ea2d9a0b1d4714911eec9713832558/FLAGbf06e9fa3 [2020-10-12 21:00:08,677 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b4b829bb5/51ea2d9a0b1d4714911eec9713832558 [2020-10-12 21:00:08,687 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 21:00:08,689 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 21:00:08,690 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 21:00:08,690 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 21:00:08,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 21:00:08,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:00:08" (1/1) ... [2020-10-12 21:00:08,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@321fecde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:08, skipping insertion in model container [2020-10-12 21:00:08,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:00:08" (1/1) ... [2020-10-12 21:00:08,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 21:00:08,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 21:00:09,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:00:09,055 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 21:00:09,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:00:09,235 INFO L208 MainTranslator]: Completed translation [2020-10-12 21:00:09,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:09 WrapperNode [2020-10-12 21:00:09,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 21:00:09,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 21:00:09,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 21:00:09,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 21:00:09,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:09" (1/1) ... [2020-10-12 21:00:09,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:09" (1/1) ... [2020-10-12 21:00:09,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:09" (1/1) ... [2020-10-12 21:00:09,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:09" (1/1) ... [2020-10-12 21:00:09,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:09" (1/1) ... [2020-10-12 21:00:09,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:09" (1/1) ... [2020-10-12 21:00:09,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:09" (1/1) ... [2020-10-12 21:00:09,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 21:00:09,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 21:00:09,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 21:00:09,294 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 21:00:09,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:09" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 21:00:09,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 21:00:09,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 21:00:09,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2020-10-12 21:00:09,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR [2020-10-12 21:00:09,360 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 21:00:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 21:00:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-12 21:00:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 21:00:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-12 21:00:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure ERR [2020-10-12 21:00:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2020-10-12 21:00:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 21:00:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 21:00:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 21:00:09,556 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 21:00:10,054 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-10-12 21:00:10,054 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-10-12 21:00:10,066 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 21:00:10,066 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 21:00:10,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:00:10 BoogieIcfgContainer [2020-10-12 21:00:10,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 21:00:10,074 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 21:00:10,074 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 21:00:10,081 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 21:00:10,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 09:00:08" (1/3) ... [2020-10-12 21:00:10,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ba7b92a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:00:10, skipping insertion in model container [2020-10-12 21:00:10,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:00:09" (2/3) ... [2020-10-12 21:00:10,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ba7b92a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:00:10, skipping insertion in model container [2020-10-12 21:00:10,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:00:10" (3/3) ... [2020-10-12 21:00:10,087 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_1.cil-2.c [2020-10-12 21:00:10,104 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 21:00:10,116 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 21:00:10,131 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 21:00:10,154 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 21:00:10,154 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 21:00:10,155 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 21:00:10,155 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 21:00:10,155 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 21:00:10,155 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 21:00:10,156 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 21:00:10,156 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 21:00:10,180 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2020-10-12 21:00:10,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-12 21:00:10,190 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:10,192 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:00:10,192 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ERRErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:10,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:10,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1696698376, now seen corresponding path program 1 times [2020-10-12 21:00:10,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:10,207 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [59406482] [2020-10-12 21:00:10,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:10,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:10,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:10,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:10,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:10,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 21:00:10,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:00:10,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 501 [2020-10-12 21:00:10,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:10,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:00:10,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 21:00:10,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 21:00:10,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 21:00:10,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:10,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:10,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:10,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:10,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:10,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:10,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:10,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:10,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:10,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:10,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:10,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:00:10,981 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [59406482] [2020-10-12 21:00:10,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:10,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 21:00:10,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182917714] [2020-10-12 21:00:10,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 21:00:10,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:11,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 21:00:11,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 21:00:11,011 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 5 states. [2020-10-12 21:00:11,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:11,285 INFO L93 Difference]: Finished difference Result 319 states and 533 transitions. [2020-10-12 21:00:11,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 21:00:11,288 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-10-12 21:00:11,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:11,301 INFO L225 Difference]: With dead ends: 319 [2020-10-12 21:00:11,301 INFO L226 Difference]: Without dead ends: 157 [2020-10-12 21:00:11,306 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 21:00:11,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-10-12 21:00:11,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 154. [2020-10-12 21:00:11,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-10-12 21:00:11,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 228 transitions. [2020-10-12 21:00:11,368 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 228 transitions. Word has length 51 [2020-10-12 21:00:11,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:11,368 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 228 transitions. [2020-10-12 21:00:11,369 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 21:00:11,369 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 228 transitions. [2020-10-12 21:00:11,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-12 21:00:11,372 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:11,373 INFO L422 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:00:11,373 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 21:00:11,373 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ERRErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:11,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:11,374 INFO L82 PathProgramCache]: Analyzing trace with hash 2093113011, now seen corresponding path program 1 times [2020-10-12 21:00:11,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:11,374 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1183549349] [2020-10-12 21:00:11,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:11,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:11,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:11,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:11,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:11,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-12 21:00:11,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:00:11,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-10-12 21:00:11,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:11,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:11,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-12 21:00:11,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 21:00:11,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:11,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:11,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:11,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:11,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:11,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:11,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:11,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:11,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:11,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:11,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:11,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:11,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:11,664 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:00:11,665 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1183549349] [2020-10-12 21:00:11,665 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:11,665 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 21:00:11,666 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313370216] [2020-10-12 21:00:11,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 21:00:11,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:11,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 21:00:11,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:11,669 INFO L87 Difference]: Start difference. First operand 154 states and 228 transitions. Second operand 3 states. [2020-10-12 21:00:11,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:11,742 INFO L93 Difference]: Finished difference Result 433 states and 648 transitions. [2020-10-12 21:00:11,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 21:00:11,743 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2020-10-12 21:00:11,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:11,746 INFO L225 Difference]: With dead ends: 433 [2020-10-12 21:00:11,747 INFO L226 Difference]: Without dead ends: 292 [2020-10-12 21:00:11,749 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:11,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2020-10-12 21:00:11,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2020-10-12 21:00:11,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2020-10-12 21:00:11,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 433 transitions. [2020-10-12 21:00:11,775 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 433 transitions. Word has length 67 [2020-10-12 21:00:11,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:11,776 INFO L479 AbstractCegarLoop]: Abstraction has 292 states and 433 transitions. [2020-10-12 21:00:11,776 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 21:00:11,776 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 433 transitions. [2020-10-12 21:00:11,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-12 21:00:11,780 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:11,781 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:00:11,781 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 21:00:11,781 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ERRErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:11,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:11,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1225245954, now seen corresponding path program 1 times [2020-10-12 21:00:11,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:11,782 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [34254346] [2020-10-12 21:00:11,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:11,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:11,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:11,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:11,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:11,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-12 21:00:11,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:00:11,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-12 21:00:11,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:11,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:11,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-12 21:00:11,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 21:00:11,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:12,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:12,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:12,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:12,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:12,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:12,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:12,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:12,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:12,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:12,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:12,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:12,037 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-12 21:00:12,037 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [34254346] [2020-10-12 21:00:12,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:12,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 21:00:12,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527024420] [2020-10-12 21:00:12,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 21:00:12,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:12,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 21:00:12,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:12,040 INFO L87 Difference]: Start difference. First operand 292 states and 433 transitions. Second operand 3 states. [2020-10-12 21:00:12,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:12,241 INFO L93 Difference]: Finished difference Result 663 states and 1014 transitions. [2020-10-12 21:00:12,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 21:00:12,242 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2020-10-12 21:00:12,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:12,245 INFO L225 Difference]: With dead ends: 663 [2020-10-12 21:00:12,245 INFO L226 Difference]: Without dead ends: 384 [2020-10-12 21:00:12,247 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:12,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2020-10-12 21:00:12,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 376. [2020-10-12 21:00:12,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-12 21:00:12,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 527 transitions. [2020-10-12 21:00:12,271 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 527 transitions. Word has length 88 [2020-10-12 21:00:12,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:12,272 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 527 transitions. [2020-10-12 21:00:12,272 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 21:00:12,272 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 527 transitions. [2020-10-12 21:00:12,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-12 21:00:12,276 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:12,276 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:00:12,277 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 21:00:12,277 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ERRErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:12,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:12,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1020333500, now seen corresponding path program 1 times [2020-10-12 21:00:12,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:12,278 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [326262363] [2020-10-12 21:00:12,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:12,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:12,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:12,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:12,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:12,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-12 21:00:12,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:00:12,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 182 [2020-10-12 21:00:12,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:12,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:12,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-12 21:00:12,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 21:00:12,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:12,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:12,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:12,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:12,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:12,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:12,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:12,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:12,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:12,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:12,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:12,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:12,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:12,531 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-12 21:00:12,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [326262363] [2020-10-12 21:00:12,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:12,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 21:00:12,533 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443720331] [2020-10-12 21:00:12,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 21:00:12,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:12,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 21:00:12,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:12,534 INFO L87 Difference]: Start difference. First operand 376 states and 527 transitions. Second operand 3 states. [2020-10-12 21:00:12,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:12,690 INFO L93 Difference]: Finished difference Result 793 states and 1131 transitions. [2020-10-12 21:00:12,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 21:00:12,691 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2020-10-12 21:00:12,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:12,694 INFO L225 Difference]: With dead ends: 793 [2020-10-12 21:00:12,694 INFO L226 Difference]: Without dead ends: 430 [2020-10-12 21:00:12,695 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:12,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2020-10-12 21:00:12,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 422. [2020-10-12 21:00:12,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2020-10-12 21:00:12,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 583 transitions. [2020-10-12 21:00:12,713 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 583 transitions. Word has length 88 [2020-10-12 21:00:12,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:12,717 INFO L479 AbstractCegarLoop]: Abstraction has 422 states and 583 transitions. [2020-10-12 21:00:12,717 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 21:00:12,718 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 583 transitions. [2020-10-12 21:00:12,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-12 21:00:12,720 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:12,721 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:00:12,721 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 21:00:12,725 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ERRErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:12,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:12,726 INFO L82 PathProgramCache]: Analyzing trace with hash -201242879, now seen corresponding path program 1 times [2020-10-12 21:00:12,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:12,726 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1009869003] [2020-10-12 21:00:12,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:12,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:12,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:12,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:13,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:13,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-12 21:00:13,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:00:13,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 294 [2020-10-12 21:00:13,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:13,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:13,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-12 21:00:13,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-12 21:00:13,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:13,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:13,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:13,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:13,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:13,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:13,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:00:13,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:13,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:13,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:13,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:13,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:13,143 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-10-12 21:00:13,143 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1009869003] [2020-10-12 21:00:13,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:13,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 21:00:13,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28458382] [2020-10-12 21:00:13,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 21:00:13,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:13,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 21:00:13,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:13,146 INFO L87 Difference]: Start difference. First operand 422 states and 583 transitions. Second operand 3 states. [2020-10-12 21:00:13,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:13,216 INFO L93 Difference]: Finished difference Result 1034 states and 1433 transitions. [2020-10-12 21:00:13,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 21:00:13,218 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2020-10-12 21:00:13,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:13,225 INFO L225 Difference]: With dead ends: 1034 [2020-10-12 21:00:13,226 INFO L226 Difference]: Without dead ends: 625 [2020-10-12 21:00:13,228 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:13,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2020-10-12 21:00:13,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 625. [2020-10-12 21:00:13,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2020-10-12 21:00:13,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 864 transitions. [2020-10-12 21:00:13,257 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 864 transitions. Word has length 109 [2020-10-12 21:00:13,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:13,259 INFO L479 AbstractCegarLoop]: Abstraction has 625 states and 864 transitions. [2020-10-12 21:00:13,259 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 21:00:13,259 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 864 transitions. [2020-10-12 21:00:13,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-12 21:00:13,267 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:13,268 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:00:13,268 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 21:00:13,268 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ERRErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:13,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:13,269 INFO L82 PathProgramCache]: Analyzing trace with hash -105487368, now seen corresponding path program 1 times [2020-10-12 21:00:13,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:13,269 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [529564043] [2020-10-12 21:00:13,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:13,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:13,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:13,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-12 21:00:13,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:13,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-12 21:00:13,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:13,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:13,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-12 21:00:13,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 21:00:13,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:13,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:13,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:13,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:13,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:13,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:13,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:13,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:13,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:13,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:13,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:13,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:13,489 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-12 21:00:13,490 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [529564043] [2020-10-12 21:00:13,491 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:13,491 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 21:00:13,492 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788089520] [2020-10-12 21:00:13,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 21:00:13,494 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:13,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 21:00:13,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:13,495 INFO L87 Difference]: Start difference. First operand 625 states and 864 transitions. Second operand 3 states. [2020-10-12 21:00:13,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:13,553 INFO L93 Difference]: Finished difference Result 1440 states and 1995 transitions. [2020-10-12 21:00:13,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 21:00:13,554 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2020-10-12 21:00:13,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:13,568 INFO L225 Difference]: With dead ends: 1440 [2020-10-12 21:00:13,569 INFO L226 Difference]: Without dead ends: 828 [2020-10-12 21:00:13,571 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:13,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2020-10-12 21:00:13,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 828. [2020-10-12 21:00:13,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2020-10-12 21:00:13,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1146 transitions. [2020-10-12 21:00:13,604 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1146 transitions. Word has length 128 [2020-10-12 21:00:13,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:13,605 INFO L479 AbstractCegarLoop]: Abstraction has 828 states and 1146 transitions. [2020-10-12 21:00:13,605 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 21:00:13,605 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1146 transitions. [2020-10-12 21:00:13,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-12 21:00:13,610 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:13,611 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:00:13,611 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 21:00:13,611 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ERRErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:13,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:13,612 INFO L82 PathProgramCache]: Analyzing trace with hash -518008441, now seen corresponding path program 1 times [2020-10-12 21:00:13,612 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:13,613 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [592781175] [2020-10-12 21:00:13,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:13,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:13,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:13,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:13,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:14,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:14,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-12 21:00:14,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 21:00:14,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 417 [2020-10-12 21:00:14,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:14,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:14,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-10-12 21:00:14,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 21:00:14,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:14,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:14,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:14,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:14,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:14,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:14,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:14,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:14,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:14,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:14,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:14,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:14,165 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-12 21:00:14,165 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [592781175] [2020-10-12 21:00:14,165 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:14,166 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 21:00:14,166 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838217848] [2020-10-12 21:00:14,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 21:00:14,167 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:14,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 21:00:14,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:14,168 INFO L87 Difference]: Start difference. First operand 828 states and 1146 transitions. Second operand 3 states. [2020-10-12 21:00:14,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:14,218 INFO L93 Difference]: Finished difference Result 1842 states and 2553 transitions. [2020-10-12 21:00:14,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 21:00:14,218 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2020-10-12 21:00:14,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:14,225 INFO L225 Difference]: With dead ends: 1842 [2020-10-12 21:00:14,225 INFO L226 Difference]: Without dead ends: 1027 [2020-10-12 21:00:14,227 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:14,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2020-10-12 21:00:14,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 1027. [2020-10-12 21:00:14,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1027 states. [2020-10-12 21:00:14,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1419 transitions. [2020-10-12 21:00:14,257 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1419 transitions. Word has length 166 [2020-10-12 21:00:14,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:14,257 INFO L479 AbstractCegarLoop]: Abstraction has 1027 states and 1419 transitions. [2020-10-12 21:00:14,257 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 21:00:14,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1419 transitions. [2020-10-12 21:00:14,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-10-12 21:00:14,262 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:14,262 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:00:14,262 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 21:00:14,262 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ERRErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:14,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:14,263 INFO L82 PathProgramCache]: Analyzing trace with hash -52195075, now seen corresponding path program 1 times [2020-10-12 21:00:14,263 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:14,263 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [509964337] [2020-10-12 21:00:14,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:14,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:14,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:14,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:14,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:14,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:14,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-12 21:00:14,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 21:00:14,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 465 [2020-10-12 21:00:14,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:14,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:14,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-12 21:00:14,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 21:00:14,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:14,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:14,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:14,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:14,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:14,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:14,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:14,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:14,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:14,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:14,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:14,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:14,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:14,872 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 250 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-12 21:00:14,873 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [509964337] [2020-10-12 21:00:14,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:14,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 21:00:14,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838983620] [2020-10-12 21:00:14,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 21:00:14,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:14,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 21:00:14,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:14,875 INFO L87 Difference]: Start difference. First operand 1027 states and 1419 transitions. Second operand 3 states. [2020-10-12 21:00:15,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:15,116 INFO L93 Difference]: Finished difference Result 2306 states and 3291 transitions. [2020-10-12 21:00:15,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 21:00:15,117 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 208 [2020-10-12 21:00:15,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:15,126 INFO L225 Difference]: With dead ends: 2306 [2020-10-12 21:00:15,126 INFO L226 Difference]: Without dead ends: 1292 [2020-10-12 21:00:15,129 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:15,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1292 states. [2020-10-12 21:00:15,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1292 to 1232. [2020-10-12 21:00:15,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1232 states. [2020-10-12 21:00:15,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 1664 transitions. [2020-10-12 21:00:15,167 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 1664 transitions. Word has length 208 [2020-10-12 21:00:15,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:15,167 INFO L479 AbstractCegarLoop]: Abstraction has 1232 states and 1664 transitions. [2020-10-12 21:00:15,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 21:00:15,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 1664 transitions. [2020-10-12 21:00:15,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-12 21:00:15,173 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:15,173 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:00:15,174 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 21:00:15,174 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ERRErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:15,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:15,174 INFO L82 PathProgramCache]: Analyzing trace with hash 603211779, now seen corresponding path program 1 times [2020-10-12 21:00:15,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:15,175 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [828351476] [2020-10-12 21:00:15,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:15,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:15,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:15,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:15,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:15,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:15,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:16,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:16,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:17,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:17,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-12 21:00:17,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 21:00:17,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2070 [2020-10-12 21:00:17,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:17,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:17,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 102 [2020-10-12 21:00:17,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:00:17,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:17,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:17,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:17,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:17,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:17,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:17,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:17,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:17,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:17,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:17,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:17,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:17,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 21:00:17,359 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 199 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2020-10-12 21:00:17,364 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [828351476] [2020-10-12 21:00:17,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:17,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 21:00:17,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293000420] [2020-10-12 21:00:17,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 21:00:17,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:17,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 21:00:17,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:17,367 INFO L87 Difference]: Start difference. First operand 1232 states and 1664 transitions. Second operand 3 states. [2020-10-12 21:00:17,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:17,398 INFO L93 Difference]: Finished difference Result 2342 states and 3167 transitions. [2020-10-12 21:00:17,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 21:00:17,399 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 222 [2020-10-12 21:00:17,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:17,405 INFO L225 Difference]: With dead ends: 2342 [2020-10-12 21:00:17,405 INFO L226 Difference]: Without dead ends: 1098 [2020-10-12 21:00:17,408 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:17,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2020-10-12 21:00:17,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1098. [2020-10-12 21:00:17,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1098 states. [2020-10-12 21:00:17,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1450 transitions. [2020-10-12 21:00:17,469 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 1450 transitions. Word has length 222 [2020-10-12 21:00:17,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:17,470 INFO L479 AbstractCegarLoop]: Abstraction has 1098 states and 1450 transitions. [2020-10-12 21:00:17,470 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 21:00:17,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1450 transitions. [2020-10-12 21:00:17,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2020-10-12 21:00:17,475 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:17,475 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:00:17,475 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 21:00:17,476 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ERRErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:17,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:17,476 INFO L82 PathProgramCache]: Analyzing trace with hash 278710397, now seen corresponding path program 1 times [2020-10-12 21:00:17,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:17,477 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [600573159] [2020-10-12 21:00:17,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:17,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:17,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:17,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:17,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:17,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:18,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:18,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 261 [2020-10-12 21:00:18,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 21:00:18,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 611 [2020-10-12 21:00:18,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:18,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:18,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 173 [2020-10-12 21:00:18,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-12 21:00:18,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:18,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:18,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:18,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:18,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:18,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:18,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:00:18,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:18,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:18,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:18,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:18,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:18,226 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 309 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2020-10-12 21:00:18,227 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [600573159] [2020-10-12 21:00:18,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:18,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 21:00:18,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951917855] [2020-10-12 21:00:18,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 21:00:18,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:18,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 21:00:18,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:18,229 INFO L87 Difference]: Start difference. First operand 1098 states and 1450 transitions. Second operand 3 states. [2020-10-12 21:00:18,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:18,420 INFO L93 Difference]: Finished difference Result 2270 states and 3081 transitions. [2020-10-12 21:00:18,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 21:00:18,420 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 251 [2020-10-12 21:00:18,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:18,425 INFO L225 Difference]: With dead ends: 2270 [2020-10-12 21:00:18,426 INFO L226 Difference]: Without dead ends: 972 [2020-10-12 21:00:18,428 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:18,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 972 states. [2020-10-12 21:00:18,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 972 to 972. [2020-10-12 21:00:18,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 972 states. [2020-10-12 21:00:18,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 1261 transitions. [2020-10-12 21:00:18,455 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 1261 transitions. Word has length 251 [2020-10-12 21:00:18,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:18,456 INFO L479 AbstractCegarLoop]: Abstraction has 972 states and 1261 transitions. [2020-10-12 21:00:18,456 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 21:00:18,456 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1261 transitions. [2020-10-12 21:00:18,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2020-10-12 21:00:18,461 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:18,461 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:00:18,461 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 21:00:18,462 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ERRErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:18,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:18,462 INFO L82 PathProgramCache]: Analyzing trace with hash 701033911, now seen corresponding path program 1 times [2020-10-12 21:00:18,462 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:18,462 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [203223033] [2020-10-12 21:00:18,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:18,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:18,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:18,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:18,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:18,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:18,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:19,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:19,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:19,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:19,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 301 [2020-10-12 21:00:19,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:00:19,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1149 [2020-10-12 21:00:19,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:19,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:19,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 173 [2020-10-12 21:00:19,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-12 21:00:19,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:19,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:19,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:19,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:19,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:19,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:19,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:00:19,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:19,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:19,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:19,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:19,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:19,803 INFO L134 CoverageAnalysis]: Checked inductivity of 709 backedges. 481 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2020-10-12 21:00:19,804 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [203223033] [2020-10-12 21:00:19,805 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:19,805 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 21:00:19,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599748695] [2020-10-12 21:00:19,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 21:00:19,806 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:19,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 21:00:19,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:19,807 INFO L87 Difference]: Start difference. First operand 972 states and 1261 transitions. Second operand 3 states. [2020-10-12 21:00:19,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:19,857 INFO L93 Difference]: Finished difference Result 2482 states and 3245 transitions. [2020-10-12 21:00:19,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 21:00:19,858 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 291 [2020-10-12 21:00:19,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:19,867 INFO L225 Difference]: With dead ends: 2482 [2020-10-12 21:00:19,867 INFO L226 Difference]: Without dead ends: 1534 [2020-10-12 21:00:19,870 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:19,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1534 states. [2020-10-12 21:00:19,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1534 to 1520. [2020-10-12 21:00:19,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1520 states. [2020-10-12 21:00:19,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1520 states to 1520 states and 1989 transitions. [2020-10-12 21:00:19,925 INFO L78 Accepts]: Start accepts. Automaton has 1520 states and 1989 transitions. Word has length 291 [2020-10-12 21:00:19,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:19,926 INFO L479 AbstractCegarLoop]: Abstraction has 1520 states and 1989 transitions. [2020-10-12 21:00:19,926 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 21:00:19,926 INFO L276 IsEmpty]: Start isEmpty. Operand 1520 states and 1989 transitions. [2020-10-12 21:00:19,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2020-10-12 21:00:19,937 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:19,937 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:00:19,938 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 21:00:19,938 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ERRErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:19,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:19,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1348353931, now seen corresponding path program 1 times [2020-10-12 21:00:19,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:19,939 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1222495964] [2020-10-12 21:00:19,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:20,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:20,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:20,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:20,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:20,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:20,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:20,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:20,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:21,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:21,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 301 [2020-10-12 21:00:21,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 21:00:21,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1243 [2020-10-12 21:00:21,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:21,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:00:21,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 254 [2020-10-12 21:00:21,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 21:00:21,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:21,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:21,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:21,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:21,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:21,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:21,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:00:21,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:21,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:21,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:21,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:21,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:00:21,349 INFO L134 CoverageAnalysis]: Checked inductivity of 709 backedges. 211 proven. 0 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2020-10-12 21:00:21,350 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1222495964] [2020-10-12 21:00:21,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:00:21,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 21:00:21,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508672253] [2020-10-12 21:00:21,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 21:00:21,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:21,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 21:00:21,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:21,352 INFO L87 Difference]: Start difference. First operand 1520 states and 1989 transitions. Second operand 3 states. [2020-10-12 21:00:21,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:21,543 INFO L93 Difference]: Finished difference Result 3317 states and 4475 transitions. [2020-10-12 21:00:21,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 21:00:21,544 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 291 [2020-10-12 21:00:21,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:21,552 INFO L225 Difference]: With dead ends: 3317 [2020-10-12 21:00:21,553 INFO L226 Difference]: Without dead ends: 1737 [2020-10-12 21:00:21,556 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 21:00:21,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1737 states. [2020-10-12 21:00:21,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1737 to 1737. [2020-10-12 21:00:21,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1737 states. [2020-10-12 21:00:21,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1737 states to 1737 states and 2241 transitions. [2020-10-12 21:00:21,607 INFO L78 Accepts]: Start accepts. Automaton has 1737 states and 2241 transitions. Word has length 291 [2020-10-12 21:00:21,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:21,607 INFO L479 AbstractCegarLoop]: Abstraction has 1737 states and 2241 transitions. [2020-10-12 21:00:21,607 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 21:00:21,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1737 states and 2241 transitions. [2020-10-12 21:00:21,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2020-10-12 21:00:21,616 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:00:21,616 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 5, 5, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:00:21,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 21:00:21,617 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ERRErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:00:21,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:00:21,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1962171579, now seen corresponding path program 1 times [2020-10-12 21:00:21,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:00:21,618 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [659998073] [2020-10-12 21:00:21,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:00:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:21,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:21,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:21,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:21,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:22,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:22,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:22,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 359 [2020-10-12 21:00:22,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 21:00:22,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 528 [2020-10-12 21:00:22,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:22,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 21:00:22,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 284 [2020-10-12 21:00:22,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-12 21:00:22,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:22,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:00:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:00:22,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:00:22,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:00:22,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:00:22,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:00:22,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:00:22,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:00:22,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:00:22,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:00:22,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:00:22,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:00:22,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 422 proven. 26 refuted. 0 times theorem prover too weak. 656 trivial. 0 not checked. [2020-10-12 21:00:22,476 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [659998073] [2020-10-12 21:00:22,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:00:22,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-12 21:00:22,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898445126] [2020-10-12 21:00:22,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 21:00:22,479 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:00:22,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 21:00:22,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 21:00:22,479 INFO L87 Difference]: Start difference. First operand 1737 states and 2241 transitions. Second operand 4 states. [2020-10-12 21:00:22,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:00:22,823 INFO L93 Difference]: Finished difference Result 2874 states and 3754 transitions. [2020-10-12 21:00:22,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-12 21:00:22,824 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 349 [2020-10-12 21:00:22,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:00:22,825 INFO L225 Difference]: With dead ends: 2874 [2020-10-12 21:00:22,826 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 21:00:22,833 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-12 21:00:22,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 21:00:22,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 21:00:22,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 21:00:22,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 21:00:22,834 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 349 [2020-10-12 21:00:22,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:00:22,834 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 21:00:22,834 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 21:00:22,835 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 21:00:22,835 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 21:00:22,835 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 21:00:22,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 21:00:23,578 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-10-12 21:00:23,578 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 21:00:23,578 INFO L268 CegarLoopResult]: For program point ERRErr0ASSERT_VIOLATIONERROR_FUNCTION(line 618) no Hoare annotation was computed. [2020-10-12 21:00:23,580 INFO L268 CegarLoopResult]: For program point ERREXIT(lines 617 620) no Hoare annotation was computed. [2020-10-12 21:00:23,580 INFO L271 CegarLoopResult]: At program point ERRENTRY(lines 617 620) the Hoare annotation is: true [2020-10-12 21:00:23,580 INFO L268 CegarLoopResult]: For program point ERRFINAL(lines 617 620) no Hoare annotation was computed. [2020-10-12 21:00:23,580 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 21:00:23,581 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-12 21:00:23,584 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 21:00:23,584 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 21:00:23,584 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 621 632) the Hoare annotation is: true [2020-10-12 21:00:23,585 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 621 632) no Hoare annotation was computed. [2020-10-12 21:00:23,585 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 621 632) no Hoare annotation was computed. [2020-10-12 21:00:23,585 INFO L264 CegarLoopResult]: At program point L628(line 628) the Hoare annotation is: (= 8464 main_~s~0) [2020-10-12 21:00:23,585 INFO L268 CegarLoopResult]: For program point L628-1(line 628) no Hoare annotation was computed. [2020-10-12 21:00:23,586 INFO L268 CegarLoopResult]: For program point L465(lines 465 467) no Hoare annotation was computed. [2020-10-12 21:00:23,586 INFO L268 CegarLoopResult]: For program point L234(lines 234 237) no Hoare annotation was computed. [2020-10-12 21:00:23,589 INFO L264 CegarLoopResult]: At program point L201(lines 197 551) the Hoare annotation is: (let ((.cse0 (<= 8672 ssl3_accept_~s__state~0))) (or (and (<= ssl3_accept_~blastFlag~0 3) .cse0) (not (= 8464 |ssl3_accept_#in~initial_state|)) (and (= ssl3_accept_~s__hit~0 0) (= ssl3_accept_~blastFlag~0 4) .cse0))) [2020-10-12 21:00:23,589 INFO L264 CegarLoopResult]: At program point L102(lines 101 583) the Hoare annotation is: (or (not (= 8464 |ssl3_accept_#in~initial_state|)) (<= 8672 ssl3_accept_~s__state~0)) [2020-10-12 21:00:23,589 INFO L268 CegarLoopResult]: For program point L301(lines 301 308) no Hoare annotation was computed. [2020-10-12 21:00:23,590 INFO L268 CegarLoopResult]: For program point L301-2(lines 301 308) no Hoare annotation was computed. [2020-10-12 21:00:23,590 INFO L268 CegarLoopResult]: For program point L203(lines 203 549) no Hoare annotation was computed. [2020-10-12 21:00:23,590 INFO L268 CegarLoopResult]: For program point L170(lines 170 560) no Hoare annotation was computed. [2020-10-12 21:00:23,590 INFO L268 CegarLoopResult]: For program point L137(lines 137 571) no Hoare annotation was computed. [2020-10-12 21:00:23,590 INFO L268 CegarLoopResult]: For program point L104(lines 104 582) no Hoare annotation was computed. [2020-10-12 21:00:23,591 INFO L268 CegarLoopResult]: For program point L534(lines 534 540) no Hoare annotation was computed. [2020-10-12 21:00:23,591 INFO L268 CegarLoopResult]: For program point L534-1(lines 534 540) no Hoare annotation was computed. [2020-10-12 21:00:23,591 INFO L268 CegarLoopResult]: For program point L336(lines 336 360) no Hoare annotation was computed. [2020-10-12 21:00:23,591 INFO L271 CegarLoopResult]: At program point L204(lines 203 549) the Hoare annotation is: true [2020-10-12 21:00:23,592 INFO L264 CegarLoopResult]: At program point L171(lines 167 561) the Hoare annotation is: (or (not (= 8464 |ssl3_accept_#in~initial_state|)) (<= ssl3_accept_~blastFlag~0 3)) [2020-10-12 21:00:23,592 INFO L264 CegarLoopResult]: At program point L138(lines 134 572) the Hoare annotation is: (or (not (= 8464 |ssl3_accept_#in~initial_state|)) (<= ssl3_accept_~blastFlag~0 3)) [2020-10-12 21:00:23,592 INFO L268 CegarLoopResult]: For program point L271(lines 271 273) no Hoare annotation was computed. [2020-10-12 21:00:23,592 INFO L268 CegarLoopResult]: For program point L271-2(lines 207 546) no Hoare annotation was computed. [2020-10-12 21:00:23,593 INFO L268 CegarLoopResult]: For program point L305(lines 305 307) no Hoare annotation was computed. [2020-10-12 21:00:23,593 INFO L268 CegarLoopResult]: For program point L239(lines 239 250) no Hoare annotation was computed. [2020-10-12 21:00:23,593 INFO L271 CegarLoopResult]: At program point L206(lines 205 549) the Hoare annotation is: true [2020-10-12 21:00:23,593 INFO L268 CegarLoopResult]: For program point L173(lines 173 559) no Hoare annotation was computed. [2020-10-12 21:00:23,594 INFO L268 CegarLoopResult]: For program point L140(lines 140 570) no Hoare annotation was computed. [2020-10-12 21:00:23,594 INFO L268 CegarLoopResult]: For program point L107(lines 107 581) no Hoare annotation was computed. [2020-10-12 21:00:23,594 INFO L271 CegarLoopResult]: At program point L603(lines 97 604) the Hoare annotation is: true [2020-10-12 21:00:23,594 INFO L268 CegarLoopResult]: For program point L537(lines 537 539) no Hoare annotation was computed. [2020-10-12 21:00:23,594 INFO L268 CegarLoopResult]: For program point L505(lines 505 508) no Hoare annotation was computed. [2020-10-12 21:00:23,595 INFO L268 CegarLoopResult]: For program point L439(lines 439 441) no Hoare annotation was computed. [2020-10-12 21:00:23,595 INFO L268 CegarLoopResult]: For program point L340(lines 340 344) no Hoare annotation was computed. [2020-10-12 21:00:23,595 INFO L268 CegarLoopResult]: For program point L340-2(lines 340 344) no Hoare annotation was computed. [2020-10-12 21:00:23,595 INFO L268 CegarLoopResult]: For program point L241(lines 241 244) no Hoare annotation was computed. [2020-10-12 21:00:23,596 INFO L271 CegarLoopResult]: At program point ssl3_acceptENTRY(lines 11 615) the Hoare annotation is: true [2020-10-12 21:00:23,596 INFO L268 CegarLoopResult]: For program point L374(lines 374 406) no Hoare annotation was computed. [2020-10-12 21:00:23,596 INFO L268 CegarLoopResult]: For program point L176(lines 176 558) no Hoare annotation was computed. [2020-10-12 21:00:23,596 INFO L268 CegarLoopResult]: For program point L143(lines 143 569) no Hoare annotation was computed. [2020-10-12 21:00:23,596 INFO L268 CegarLoopResult]: For program point L110(lines 110 580) no Hoare annotation was computed. [2020-10-12 21:00:23,597 INFO L268 CegarLoopResult]: For program point L474(lines 474 476) no Hoare annotation was computed. [2020-10-12 21:00:23,597 INFO L268 CegarLoopResult]: For program point L474-2(lines 207 546) no Hoare annotation was computed. [2020-10-12 21:00:23,597 INFO L268 CegarLoopResult]: For program point L375(lines 375 381) no Hoare annotation was computed. [2020-10-12 21:00:23,597 INFO L271 CegarLoopResult]: At program point L210(lines 104 582) the Hoare annotation is: true [2020-10-12 21:00:23,599 INFO L264 CegarLoopResult]: At program point L177(lines 173 559) the Hoare annotation is: (or (not (= 8464 |ssl3_accept_#in~initial_state|)) (<= ssl3_accept_~blastFlag~0 3)) [2020-10-12 21:00:23,599 INFO L264 CegarLoopResult]: At program point L144(lines 140 570) the Hoare annotation is: (or (not (= 8464 |ssl3_accept_#in~initial_state|)) (<= ssl3_accept_~blastFlag~0 3)) [2020-10-12 21:00:23,599 INFO L268 CegarLoopResult]: For program point L442(lines 442 451) no Hoare annotation was computed. [2020-10-12 21:00:23,599 INFO L268 CegarLoopResult]: For program point L608(lines 608 610) no Hoare annotation was computed. [2020-10-12 21:00:23,600 INFO L268 CegarLoopResult]: For program point L608-2(lines 608 610) no Hoare annotation was computed. [2020-10-12 21:00:23,600 INFO L268 CegarLoopResult]: For program point L179(lines 179 557) no Hoare annotation was computed. [2020-10-12 21:00:23,600 INFO L268 CegarLoopResult]: For program point L146(lines 146 568) no Hoare annotation was computed. [2020-10-12 21:00:23,600 INFO L268 CegarLoopResult]: For program point L113(lines 113 579) no Hoare annotation was computed. [2020-10-12 21:00:23,600 INFO L268 CegarLoopResult]: For program point L81(lines 81 87) no Hoare annotation was computed. [2020-10-12 21:00:23,602 INFO L268 CegarLoopResult]: For program point L446(lines 446 448) no Hoare annotation was computed. [2020-10-12 21:00:23,602 INFO L268 CegarLoopResult]: For program point L215(lines 215 217) no Hoare annotation was computed. [2020-10-12 21:00:23,602 INFO L268 CegarLoopResult]: For program point L182(lines 182 556) no Hoare annotation was computed. [2020-10-12 21:00:23,603 INFO L268 CegarLoopResult]: For program point L149(lines 149 567) no Hoare annotation was computed. [2020-10-12 21:00:23,603 INFO L268 CegarLoopResult]: For program point L215-2(lines 215 217) no Hoare annotation was computed. [2020-10-12 21:00:23,603 INFO L268 CegarLoopResult]: For program point L116(lines 116 578) no Hoare annotation was computed. [2020-10-12 21:00:23,603 INFO L268 CegarLoopResult]: For program point L513(lines 513 519) no Hoare annotation was computed. [2020-10-12 21:00:23,604 INFO L268 CegarLoopResult]: For program point L480(lines 480 484) no Hoare annotation was computed. [2020-10-12 21:00:23,604 INFO L268 CegarLoopResult]: For program point L480-2(lines 480 484) no Hoare annotation was computed. [2020-10-12 21:00:23,608 INFO L268 CegarLoopResult]: For program point L348(lines 348 356) no Hoare annotation was computed. [2020-10-12 21:00:23,609 INFO L264 CegarLoopResult]: At program point L183(lines 179 557) the Hoare annotation is: (or (not (= 8464 |ssl3_accept_#in~initial_state|)) (<= ssl3_accept_~blastFlag~0 3)) [2020-10-12 21:00:23,609 INFO L264 CegarLoopResult]: At program point L150(lines 146 568) the Hoare annotation is: (or (not (= 8464 |ssl3_accept_#in~initial_state|)) (<= ssl3_accept_~blastFlag~0 3)) [2020-10-12 21:00:23,609 INFO L268 CegarLoopResult]: For program point L84(lines 84 86) no Hoare annotation was computed. [2020-10-12 21:00:23,610 INFO L268 CegarLoopResult]: For program point L84-2(lines 81 87) no Hoare annotation was computed. [2020-10-12 21:00:23,610 INFO L264 CegarLoopResult]: At program point L547(lines 98 602) the Hoare annotation is: (let ((.cse0 (= ssl3_accept_~s__hit~0 0)) (.cse1 (= ssl3_accept_~blastFlag~0 4))) (or (<= ssl3_accept_~s__state~0 3) (not (= 8464 |ssl3_accept_#in~initial_state|)) (<= ssl3_accept_~blastFlag~0 3) (and .cse0 (<= ssl3_accept_~s__state~0 8448) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)) (and .cse0 (= ssl3_accept_~s__state~0 8656) .cse1) (and .cse0 .cse1 (<= 8672 ssl3_accept_~s__state~0)))) [2020-10-12 21:00:23,612 INFO L264 CegarLoopResult]: At program point L349(lines 324 367) the Hoare annotation is: (or (not (= 8464 |ssl3_accept_#in~initial_state|)) (<= ssl3_accept_~blastFlag~0 3)) [2020-10-12 21:00:23,612 INFO L268 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-12 21:00:23,613 INFO L264 CegarLoopResult]: At program point L383(lines 374 406) the Hoare annotation is: (or (not (= 8464 |ssl3_accept_#in~initial_state|)) (<= ssl3_accept_~blastFlag~0 3)) [2020-10-12 21:00:23,613 INFO L268 CegarLoopResult]: For program point L284(lines 284 286) no Hoare annotation was computed. [2020-10-12 21:00:23,613 INFO L268 CegarLoopResult]: For program point L284-2(lines 207 546) no Hoare annotation was computed. [2020-10-12 21:00:23,613 INFO L268 CegarLoopResult]: For program point L185(lines 185 555) no Hoare annotation was computed. [2020-10-12 21:00:23,614 INFO L268 CegarLoopResult]: For program point L152(lines 152 566) no Hoare annotation was computed. [2020-10-12 21:00:23,614 INFO L268 CegarLoopResult]: For program point L119(lines 119 577) no Hoare annotation was computed. [2020-10-12 21:00:23,614 INFO L268 CegarLoopResult]: For program point L516(lines 516 518) no Hoare annotation was computed. [2020-10-12 21:00:23,614 INFO L268 CegarLoopResult]: For program point L516-1(lines 207 546) no Hoare annotation was computed. [2020-10-12 21:00:23,614 INFO L268 CegarLoopResult]: For program point L351(lines 351 353) no Hoare annotation was computed. [2020-10-12 21:00:23,615 INFO L268 CegarLoopResult]: For program point L318(lines 318 322) no Hoare annotation was computed. [2020-10-12 21:00:23,615 INFO L268 CegarLoopResult]: For program point L318-2(lines 207 546) no Hoare annotation was computed. [2020-10-12 21:00:23,615 INFO L264 CegarLoopResult]: At program point L120(lines 116 578) the Hoare annotation is: (or (not (= 8464 |ssl3_accept_#in~initial_state|)) (<= ssl3_accept_~blastFlag~0 3)) [2020-10-12 21:00:23,615 INFO L264 CegarLoopResult]: At program point L517(line 517) the Hoare annotation is: (not (= 8464 |ssl3_accept_#in~initial_state|)) [2020-10-12 21:00:23,616 INFO L268 CegarLoopResult]: For program point L220(lines 220 222) no Hoare annotation was computed. [2020-10-12 21:00:23,616 INFO L268 CegarLoopResult]: For program point L584(lines 584 600) no Hoare annotation was computed. [2020-10-12 21:00:23,616 INFO L268 CegarLoopResult]: For program point L386(lines 386 404) no Hoare annotation was computed. [2020-10-12 21:00:23,616 INFO L268 CegarLoopResult]: For program point L188(lines 188 554) no Hoare annotation was computed. [2020-10-12 21:00:23,616 INFO L268 CegarLoopResult]: For program point L155(lines 155 565) no Hoare annotation was computed. [2020-10-12 21:00:23,617 INFO L268 CegarLoopResult]: For program point L122(lines 122 576) no Hoare annotation was computed. [2020-10-12 21:00:23,617 INFO L268 CegarLoopResult]: For program point L89(lines 89 93) no Hoare annotation was computed. [2020-10-12 21:00:23,617 INFO L268 CegarLoopResult]: For program point L89-1(lines 72 614) no Hoare annotation was computed. [2020-10-12 21:00:23,617 INFO L268 CegarLoopResult]: For program point L585(lines 585 599) no Hoare annotation was computed. [2020-10-12 21:00:23,617 INFO L268 CegarLoopResult]: For program point ssl3_acceptEXIT(lines 11 615) no Hoare annotation was computed. [2020-10-12 21:00:23,618 INFO L268 CegarLoopResult]: For program point L387(lines 387 393) no Hoare annotation was computed. [2020-10-12 21:00:23,618 INFO L264 CegarLoopResult]: At program point L189(lines 185 555) the Hoare annotation is: (or (not (= 8464 |ssl3_accept_#in~initial_state|)) (<= ssl3_accept_~blastFlag~0 3)) [2020-10-12 21:00:23,618 INFO L264 CegarLoopResult]: At program point L156(lines 152 566) the Hoare annotation is: (or (not (= 8464 |ssl3_accept_#in~initial_state|)) (<= ssl3_accept_~blastFlag~0 3)) [2020-10-12 21:00:23,618 INFO L271 CegarLoopResult]: At program point L123(lines 122 576) the Hoare annotation is: true [2020-10-12 21:00:23,619 INFO L268 CegarLoopResult]: For program point L90(lines 90 92) no Hoare annotation was computed. [2020-10-12 21:00:23,619 INFO L268 CegarLoopResult]: For program point L586(lines 586 591) no Hoare annotation was computed. [2020-10-12 21:00:23,619 INFO L268 CegarLoopResult]: For program point L586-2(lines 585 599) no Hoare annotation was computed. [2020-10-12 21:00:23,619 INFO L268 CegarLoopResult]: For program point L256(lines 256 258) no Hoare annotation was computed. [2020-10-12 21:00:23,619 INFO L268 CegarLoopResult]: For program point L290(lines 290 294) no Hoare annotation was computed. [2020-10-12 21:00:23,620 INFO L268 CegarLoopResult]: For program point L290-2(lines 290 294) no Hoare annotation was computed. [2020-10-12 21:00:23,620 INFO L268 CegarLoopResult]: For program point L191(lines 191 553) no Hoare annotation was computed. [2020-10-12 21:00:23,620 INFO L268 CegarLoopResult]: For program point L158(lines 158 564) no Hoare annotation was computed. [2020-10-12 21:00:23,620 INFO L268 CegarLoopResult]: For program point L125(lines 125 575) no Hoare annotation was computed. [2020-10-12 21:00:23,621 INFO L268 CegarLoopResult]: For program point L588(lines 588 590) no Hoare annotation was computed. [2020-10-12 21:00:23,621 INFO L268 CegarLoopResult]: For program point ssl3_acceptFINAL(lines 11 615) no Hoare annotation was computed. [2020-10-12 21:00:23,621 INFO L268 CegarLoopResult]: For program point L456(lines 456 458) no Hoare annotation was computed. [2020-10-12 21:00:23,621 INFO L268 CegarLoopResult]: For program point L225(lines 225 232) no Hoare annotation was computed. [2020-10-12 21:00:23,621 INFO L268 CegarLoopResult]: For program point L225-2(lines 225 232) no Hoare annotation was computed. [2020-10-12 21:00:23,622 INFO L268 CegarLoopResult]: For program point L524(lines 524 528) no Hoare annotation was computed. [2020-10-12 21:00:23,622 INFO L268 CegarLoopResult]: For program point L491(lines 491 494) no Hoare annotation was computed. [2020-10-12 21:00:23,622 INFO L268 CegarLoopResult]: For program point L524-2(lines 524 528) no Hoare annotation was computed. [2020-10-12 21:00:23,622 INFO L268 CegarLoopResult]: For program point L425(lines 425 433) no Hoare annotation was computed. [2020-10-12 21:00:23,622 INFO L268 CegarLoopResult]: For program point L425-2(lines 425 433) no Hoare annotation was computed. [2020-10-12 21:00:23,623 INFO L268 CegarLoopResult]: For program point L227(lines 227 230) no Hoare annotation was computed. [2020-10-12 21:00:23,623 INFO L268 CegarLoopResult]: For program point L194(lines 194 552) no Hoare annotation was computed. [2020-10-12 21:00:23,623 INFO L268 CegarLoopResult]: For program point L161(lines 161 563) no Hoare annotation was computed. [2020-10-12 21:00:23,623 INFO L268 CegarLoopResult]: For program point L128(lines 128 574) no Hoare annotation was computed. [2020-10-12 21:00:23,623 INFO L268 CegarLoopResult]: For program point L327(lines 327 366) no Hoare annotation was computed. [2020-10-12 21:00:23,625 INFO L264 CegarLoopResult]: At program point L195(lines 191 553) the Hoare annotation is: (or (not (= 8464 |ssl3_accept_#in~initial_state|)) (<= ssl3_accept_~blastFlag~0 3) (and (= ssl3_accept_~s__hit~0 0) (= ssl3_accept_~blastFlag~0 4))) [2020-10-12 21:00:23,625 INFO L264 CegarLoopResult]: At program point L162(lines 158 564) the Hoare annotation is: (or (not (= 8464 |ssl3_accept_#in~initial_state|)) (<= ssl3_accept_~blastFlag~0 3)) [2020-10-12 21:00:23,626 INFO L268 CegarLoopResult]: For program point L593(lines 593 597) no Hoare annotation was computed. [2020-10-12 21:00:23,626 INFO L268 CegarLoopResult]: For program point L428(lines 428 431) no Hoare annotation was computed. [2020-10-12 21:00:23,626 INFO L264 CegarLoopResult]: At program point L395(lines 386 404) the Hoare annotation is: (or (not (= 8464 |ssl3_accept_#in~initial_state|)) (<= ssl3_accept_~blastFlag~0 3)) [2020-10-12 21:00:23,626 INFO L268 CegarLoopResult]: For program point L197(lines 197 551) no Hoare annotation was computed. [2020-10-12 21:00:23,626 INFO L268 CegarLoopResult]: For program point L164(lines 164 562) no Hoare annotation was computed. [2020-10-12 21:00:23,627 INFO L268 CegarLoopResult]: For program point L131(lines 131 573) no Hoare annotation was computed. [2020-10-12 21:00:23,627 INFO L264 CegarLoopResult]: At program point L98-2(lines 98 602) the Hoare annotation is: (let ((.cse0 (= ssl3_accept_~s__hit~0 0)) (.cse1 (= ssl3_accept_~blastFlag~0 4))) (or (<= ssl3_accept_~s__state~0 3) (not (= 8464 |ssl3_accept_#in~initial_state|)) (<= ssl3_accept_~blastFlag~0 3) (and .cse0 (<= ssl3_accept_~s__state~0 8448) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)) (and .cse0 (= ssl3_accept_~s__state~0 8656) .cse1) (and .cse0 .cse1 (<= 8672 ssl3_accept_~s__state~0)))) [2020-10-12 21:00:23,627 INFO L268 CegarLoopResult]: For program point L330(lines 330 365) no Hoare annotation was computed. [2020-10-12 21:00:23,627 INFO L268 CegarLoopResult]: For program point L330-1(lines 330 365) no Hoare annotation was computed. [2020-10-12 21:00:23,627 INFO L264 CegarLoopResult]: At program point L165(lines 164 562) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8448))) (or (and .cse0 (<= ssl3_accept_~blastFlag~0 3)) (not (= 8464 |ssl3_accept_#in~initial_state|)) (and (= ssl3_accept_~s__hit~0 0) .cse0 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)))) [2020-10-12 21:00:23,627 INFO L264 CegarLoopResult]: At program point L132(lines 125 575) the Hoare annotation is: (or (not (= 8464 |ssl3_accept_#in~initial_state|)) (<= ssl3_accept_~blastFlag~0 3)) [2020-10-12 21:00:23,628 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-12 21:00:23,628 INFO L268 CegarLoopResult]: For program point L496(lines 496 498) no Hoare annotation was computed. [2020-10-12 21:00:23,628 INFO L268 CegarLoopResult]: For program point L496-2(lines 207 546) no Hoare annotation was computed. [2020-10-12 21:00:23,628 INFO L268 CegarLoopResult]: For program point L331(lines 331 362) no Hoare annotation was computed. [2020-10-12 21:00:23,628 INFO L268 CegarLoopResult]: For program point L398(lines 398 400) no Hoare annotation was computed. [2020-10-12 21:00:23,628 INFO L268 CegarLoopResult]: For program point L200(lines 200 550) no Hoare annotation was computed. [2020-10-12 21:00:23,629 INFO L268 CegarLoopResult]: For program point L167(lines 167 561) no Hoare annotation was computed. [2020-10-12 21:00:23,629 INFO L268 CegarLoopResult]: For program point L134(lines 134 572) no Hoare annotation was computed. [2020-10-12 21:00:23,629 INFO L268 CegarLoopResult]: For program point L101(lines 101 583) no Hoare annotation was computed. [2020-10-12 21:00:23,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 09:00:23 BoogieIcfgContainer [2020-10-12 21:00:23,688 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 21:00:23,694 INFO L168 Benchmark]: Toolchain (without parser) took 15004.54 ms. Allocated memory was 140.0 MB in the beginning and 545.3 MB in the end (delta: 405.3 MB). Free memory was 102.7 MB in the beginning and 190.6 MB in the end (delta: -88.0 MB). Peak memory consumption was 317.3 MB. Max. memory is 7.1 GB. [2020-10-12 21:00:23,695 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-12 21:00:23,696 INFO L168 Benchmark]: CACSL2BoogieTranslator took 546.41 ms. Allocated memory was 140.0 MB in the beginning and 199.2 MB in the end (delta: 59.2 MB). Free memory was 102.5 MB in the beginning and 174.2 MB in the end (delta: -71.8 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2020-10-12 21:00:23,697 INFO L168 Benchmark]: Boogie Preprocessor took 56.94 ms. Allocated memory is still 199.2 MB. Free memory was 174.2 MB in the beginning and 171.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-12 21:00:23,697 INFO L168 Benchmark]: RCFGBuilder took 778.77 ms. Allocated memory is still 199.2 MB. Free memory was 171.5 MB in the beginning and 120.3 MB in the end (delta: 51.2 MB). Peak memory consumption was 51.2 MB. Max. memory is 7.1 GB. [2020-10-12 21:00:23,698 INFO L168 Benchmark]: TraceAbstraction took 13613.84 ms. Allocated memory was 199.2 MB in the beginning and 545.3 MB in the end (delta: 346.0 MB). Free memory was 119.6 MB in the beginning and 190.6 MB in the end (delta: -71.0 MB). Peak memory consumption was 275.0 MB. Max. memory is 7.1 GB. [2020-10-12 21:00:23,702 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 546.41 ms. Allocated memory was 140.0 MB in the beginning and 199.2 MB in the end (delta: 59.2 MB). Free memory was 102.5 MB in the beginning and 174.2 MB in the end (delta: -71.8 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.94 ms. Allocated memory is still 199.2 MB. Free memory was 174.2 MB in the beginning and 171.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 778.77 ms. Allocated memory is still 199.2 MB. Free memory was 171.5 MB in the beginning and 120.3 MB in the end (delta: 51.2 MB). Peak memory consumption was 51.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13613.84 ms. Allocated memory was 199.2 MB in the beginning and 545.3 MB in the end (delta: 346.0 MB). Free memory was 119.6 MB in the beginning and 190.6 MB in the end (delta: -71.0 MB). Peak memory consumption was 275.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 618]: 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: 203]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: !(8464 == \old(initial_state)) || blastFlag <= 3 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: !(8464 == \old(initial_state)) || blastFlag <= 3 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: (!(8464 == \old(initial_state)) || blastFlag <= 3) || (s__hit == 0 && blastFlag == 4) - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: !(8464 == \old(initial_state)) || blastFlag <= 3 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: !(8464 == \old(initial_state)) || 8672 <= s__state - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: !(8464 == \old(initial_state)) || blastFlag <= 3 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: !(8464 == \old(initial_state)) || blastFlag <= 3 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: ((blastFlag <= 3 && 8672 <= s__state) || !(8464 == \old(initial_state))) || ((s__hit == 0 && blastFlag == 4) && 8672 <= s__state) - InvariantResult [Line: 386]: Loop Invariant Derived loop invariant: !(8464 == \old(initial_state)) || blastFlag <= 3 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: !(8464 == \old(initial_state)) || blastFlag <= 3 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: !(8464 == \old(initial_state)) || blastFlag <= 3 - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: ((((s__state <= 3 || !(8464 == \old(initial_state))) || blastFlag <= 3) || ((s__hit == 0 && s__state <= 8448) && s__s3__tmp__next_state___0 <= 3)) || ((s__hit == 0 && s__state == 8656) && blastFlag == 4)) || ((s__hit == 0 && blastFlag == 4) && 8672 <= s__state) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: !(8464 == \old(initial_state)) || blastFlag <= 3 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: ((s__state <= 8448 && blastFlag <= 3) || !(8464 == \old(initial_state))) || ((s__hit == 0 && s__state <= 8448) && s__s3__tmp__next_state___0 <= 3) - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: !(8464 == \old(initial_state)) || blastFlag <= 3 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: !(8464 == \old(initial_state)) || blastFlag <= 3 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: !(8464 == \old(initial_state)) || blastFlag <= 3 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: !(8464 == \old(initial_state)) || blastFlag <= 3 - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: ((((s__state <= 3 || !(8464 == \old(initial_state))) || blastFlag <= 3) || ((s__hit == 0 && s__state <= 8448) && s__s3__tmp__next_state___0 <= 3)) || ((s__hit == 0 && s__state == 8656) && blastFlag == 4)) || ((s__hit == 0 && blastFlag == 4) && 8672 <= s__state) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: !(8464 == \old(initial_state)) || blastFlag <= 3 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 154 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.6s, OverallIterations: 13, TraceHistogramMax: 10, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3019 SDtfs, 1093 SDslu, 2298 SDs, 0 SdLazy, 962 SolverSat, 204 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1737occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 93 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 45 PreInvPairs, 253 NumberOfFragments, 279 HoareAnnotationTreeSize, 45 FomulaSimplifications, 2616 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 113 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 8.7s InterpolantComputationTime, 2309 NumberOfCodeBlocks, 2309 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2296 ConstructedInterpolants, 0 QuantifiedInterpolants, 726754 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 12 PerfectInterpolantSequences, 4145/4171 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...