/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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/bitvector/s3_srvr_1a.BV.c.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 18:34:16,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 18:34:16,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 18:34:16,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 18:34:16,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 18:34:16,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 18:34:16,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 18:34:16,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 18:34:16,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 18:34:16,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 18:34:16,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 18:34:16,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 18:34:16,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 18:34:16,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 18:34:16,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 18:34:16,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 18:34:16,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 18:34:16,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 18:34:16,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 18:34:16,209 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 18:34:16,211 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 18:34:16,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 18:34:16,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 18:34:16,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 18:34:16,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 18:34:16,227 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 18:34:16,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 18:34:16,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 18:34:16,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 18:34:16,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 18:34:16,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 18:34:16,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 18:34:16,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 18:34:16,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 18:34:16,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 18:34:16,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 18:34:16,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 18:34:16,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 18:34:16,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 18:34:16,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 18:34:16,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 18:34:16,250 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 [2020-10-14 18:34:16,297 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 18:34:16,297 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 18:34:16,298 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 18:34:16,299 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 18:34:16,299 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 18:34:16,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 18:34:16,299 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 18:34:16,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 18:34:16,300 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 18:34:16,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 18:34:16,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 18:34:16,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 18:34:16,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 18:34:16,301 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 18:34:16,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 18:34:16,301 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 18:34:16,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 18:34:16,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 18:34:16,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 18:34:16,302 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 18:34:16,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 18:34:16,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 18:34:16,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 18:34:16,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 18:34:16,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 18:34:16,303 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 18:34:16,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 18:34:16,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 18:34:16,304 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 18:34:16,304 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 18:34:16,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 18:34:16,687 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 18:34:16,694 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 18:34:16,698 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 18:34:16,699 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 18:34:16,699 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/s3_srvr_1a.BV.c.cil.c [2020-10-14 18:34:16,769 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e900c7cbc/188e4601575249499063a8711ca98f63/FLAGb391440a4 [2020-10-14 18:34:17,309 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 18:34:17,310 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/bitvector/s3_srvr_1a.BV.c.cil.c [2020-10-14 18:34:17,325 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e900c7cbc/188e4601575249499063a8711ca98f63/FLAGb391440a4 [2020-10-14 18:34:17,673 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e900c7cbc/188e4601575249499063a8711ca98f63 [2020-10-14 18:34:17,685 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 18:34:17,687 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 18:34:17,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 18:34:17,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 18:34:17,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 18:34:17,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:34:17" (1/1) ... [2020-10-14 18:34:17,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cc3fb97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:34:17, skipping insertion in model container [2020-10-14 18:34:17,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:34:17" (1/1) ... [2020-10-14 18:34:17,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 18:34:17,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 18:34:18,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 18:34:18,024 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 18:34:18,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 18:34:18,216 INFO L208 MainTranslator]: Completed translation [2020-10-14 18:34:18,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:34:18 WrapperNode [2020-10-14 18:34:18,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 18:34:18,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 18:34:18,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 18:34:18,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 18:34:18,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:34:18" (1/1) ... [2020-10-14 18:34:18,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:34:18" (1/1) ... [2020-10-14 18:34:18,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:34:18" (1/1) ... [2020-10-14 18:34:18,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:34:18" (1/1) ... [2020-10-14 18:34:18,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:34:18" (1/1) ... [2020-10-14 18:34:18,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:34:18" (1/1) ... [2020-10-14 18:34:18,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:34:18" (1/1) ... [2020-10-14 18:34:18,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 18:34:18,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 18:34:18,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 18:34:18,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 18:34:18,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:34:18" (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 [2020-10-14 18:34:18,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 18:34:18,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 18:34:18,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2020-10-14 18:34:18,370 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 18:34:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 18:34:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-14 18:34:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-14 18:34:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 18:34:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-14 18:34:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2020-10-14 18:34:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 18:34:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 18:34:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 18:34:18,639 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 18:34:19,141 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-10-14 18:34:19,142 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-10-14 18:34:19,155 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 18:34:19,155 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 18:34:19,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:34:19 BoogieIcfgContainer [2020-10-14 18:34:19,162 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 18:34:19,164 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 18:34:19,164 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 18:34:19,168 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 18:34:19,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 06:34:17" (1/3) ... [2020-10-14 18:34:19,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@691e6d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:34:19, skipping insertion in model container [2020-10-14 18:34:19,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:34:18" (2/3) ... [2020-10-14 18:34:19,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@691e6d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:34:19, skipping insertion in model container [2020-10-14 18:34:19,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:34:19" (3/3) ... [2020-10-14 18:34:19,173 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_1a.BV.c.cil.c [2020-10-14 18:34:19,186 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 18:34:19,196 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 18:34:19,213 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 18:34:19,249 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 18:34:19,249 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 18:34:19,250 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 18:34:19,250 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 18:34:19,250 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 18:34:19,250 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 18:34:19,250 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 18:34:19,251 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 18:34:19,277 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2020-10-14 18:34:19,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-14 18:34:19,288 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:34:19,289 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] [2020-10-14 18:34:19,289 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:34:19,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:34:19,296 INFO L82 PathProgramCache]: Analyzing trace with hash -948982516, now seen corresponding path program 1 times [2020-10-14 18:34:19,306 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:34:19,307 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2142334698] [2020-10-14 18:34:19,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:34:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:19,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:19,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:19,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:19,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:19,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-14 18:34:19,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 18:34:19,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 469 [2020-10-14 18:34:19,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:19,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:19,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:34:19,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 18:34:19,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 18:34:19,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 18:34:19,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:34:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:19,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:19,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:19,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:34:19,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:19,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:34:19,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:19,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:19,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:34:19,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:34:19,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:34:19,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:20,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 18:34:20,009 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2142334698] [2020-10-14 18:34:20,012 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:34:20,012 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 18:34:20,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196918742] [2020-10-14 18:34:20,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 18:34:20,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:34:20,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 18:34:20,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 18:34:20,037 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 3 states. [2020-10-14 18:34:20,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:34:20,161 INFO L93 Difference]: Finished difference Result 411 states and 699 transitions. [2020-10-14 18:34:20,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 18:34:20,163 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2020-10-14 18:34:20,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:34:20,182 INFO L225 Difference]: With dead ends: 411 [2020-10-14 18:34:20,182 INFO L226 Difference]: Without dead ends: 247 [2020-10-14 18:34:20,187 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 [2020-10-14 18:34:20,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2020-10-14 18:34:20,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2020-10-14 18:34:20,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2020-10-14 18:34:20,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 377 transitions. [2020-10-14 18:34:20,271 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 377 transitions. Word has length 49 [2020-10-14 18:34:20,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:34:20,272 INFO L479 AbstractCegarLoop]: Abstraction has 247 states and 377 transitions. [2020-10-14 18:34:20,272 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 18:34:20,272 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 377 transitions. [2020-10-14 18:34:20,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-14 18:34:20,276 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:34:20,277 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] [2020-10-14 18:34:20,277 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 18:34:20,277 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:34:20,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:34:20,278 INFO L82 PathProgramCache]: Analyzing trace with hash 151055847, now seen corresponding path program 1 times [2020-10-14 18:34:20,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:34:20,278 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [886794080] [2020-10-14 18:34:20,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:34:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:20,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:20,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:20,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:20,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:20,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 18:34:20,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 18:34:20,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-14 18:34:20,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:20,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:20,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:34:20,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-14 18:34:20,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-14 18:34:20,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:20,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:34:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:20,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:20,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:20,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:34:20,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:20,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:34:20,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:20,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:20,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:34:20,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:34:20,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:34:20,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:20,481 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 18:34:20,481 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [886794080] [2020-10-14 18:34:20,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:34:20,482 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 18:34:20,482 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498198088] [2020-10-14 18:34:20,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 18:34:20,484 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:34:20,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 18:34:20,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 18:34:20,485 INFO L87 Difference]: Start difference. First operand 247 states and 377 transitions. Second operand 3 states. [2020-10-14 18:34:20,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:34:20,555 INFO L93 Difference]: Finished difference Result 481 states and 742 transitions. [2020-10-14 18:34:20,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 18:34:20,555 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-10-14 18:34:20,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:34:20,559 INFO L225 Difference]: With dead ends: 481 [2020-10-14 18:34:20,559 INFO L226 Difference]: Without dead ends: 363 [2020-10-14 18:34:20,561 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 [2020-10-14 18:34:20,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2020-10-14 18:34:20,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2020-10-14 18:34:20,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2020-10-14 18:34:20,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 555 transitions. [2020-10-14 18:34:20,590 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 555 transitions. Word has length 65 [2020-10-14 18:34:20,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:34:20,590 INFO L479 AbstractCegarLoop]: Abstraction has 363 states and 555 transitions. [2020-10-14 18:34:20,590 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 18:34:20,591 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 555 transitions. [2020-10-14 18:34:20,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-14 18:34:20,596 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:34:20,596 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] [2020-10-14 18:34:20,596 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 18:34:20,597 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:34:20,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:34:20,597 INFO L82 PathProgramCache]: Analyzing trace with hash 607245306, now seen corresponding path program 1 times [2020-10-14 18:34:20,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:34:20,598 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [50933715] [2020-10-14 18:34:20,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:34:20,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:20,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:20,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:20,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:20,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:20,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-14 18:34:20,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 18:34:20,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 260 [2020-10-14 18:34:20,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:20,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:20,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:34:20,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 18:34:20,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-14 18:34:20,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:20,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:34:20,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:20,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:20,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:20,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:34:20,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:20,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:34:20,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:20,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:20,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:34:20,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:34:20,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:34:20,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:20,985 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-14 18:34:20,985 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [50933715] [2020-10-14 18:34:20,986 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:34:20,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 18:34:20,987 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427250530] [2020-10-14 18:34:20,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 18:34:20,988 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:34:20,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 18:34:20,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 18:34:20,989 INFO L87 Difference]: Start difference. First operand 363 states and 555 transitions. Second operand 3 states. [2020-10-14 18:34:21,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:34:21,353 INFO L93 Difference]: Finished difference Result 881 states and 1385 transitions. [2020-10-14 18:34:21,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 18:34:21,354 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2020-10-14 18:34:21,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:34:21,358 INFO L225 Difference]: With dead ends: 881 [2020-10-14 18:34:21,358 INFO L226 Difference]: Without dead ends: 522 [2020-10-14 18:34:21,360 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 [2020-10-14 18:34:21,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2020-10-14 18:34:21,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 507. [2020-10-14 18:34:21,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2020-10-14 18:34:21,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 801 transitions. [2020-10-14 18:34:21,401 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 801 transitions. Word has length 86 [2020-10-14 18:34:21,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:34:21,402 INFO L479 AbstractCegarLoop]: Abstraction has 507 states and 801 transitions. [2020-10-14 18:34:21,402 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 18:34:21,402 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 801 transitions. [2020-10-14 18:34:21,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-14 18:34:21,416 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:34:21,416 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:34:21,417 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 18:34:21,417 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:34:21,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:34:21,417 INFO L82 PathProgramCache]: Analyzing trace with hash 240829032, now seen corresponding path program 1 times [2020-10-14 18:34:21,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:34:21,418 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1156559475] [2020-10-14 18:34:21,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:34:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:21,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:21,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:21,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:21,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-14 18:34:21,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 18:34:21,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-14 18:34:21,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:21,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:21,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:34:21,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-14 18:34:21,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-14 18:34:21,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-14 18:34:21,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:34:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:21,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:21,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:21,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:34:21,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:21,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:34:21,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:21,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:21,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:34:21,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:34:21,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:34:21,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:21,742 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-10-14 18:34:21,743 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1156559475] [2020-10-14 18:34:21,743 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:34:21,743 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 18:34:21,744 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885832698] [2020-10-14 18:34:21,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 18:34:21,744 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:34:21,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 18:34:21,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 18:34:21,745 INFO L87 Difference]: Start difference. First operand 507 states and 801 transitions. Second operand 3 states. [2020-10-14 18:34:21,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:34:21,798 INFO L93 Difference]: Finished difference Result 1001 states and 1590 transitions. [2020-10-14 18:34:21,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 18:34:21,798 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2020-10-14 18:34:21,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:34:21,803 INFO L225 Difference]: With dead ends: 1001 [2020-10-14 18:34:21,803 INFO L226 Difference]: Without dead ends: 671 [2020-10-14 18:34:21,805 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 [2020-10-14 18:34:21,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2020-10-14 18:34:21,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 671. [2020-10-14 18:34:21,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 671 states. [2020-10-14 18:34:21,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 1062 transitions. [2020-10-14 18:34:21,827 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 1062 transitions. Word has length 115 [2020-10-14 18:34:21,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:34:21,827 INFO L479 AbstractCegarLoop]: Abstraction has 671 states and 1062 transitions. [2020-10-14 18:34:21,827 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 18:34:21,827 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 1062 transitions. [2020-10-14 18:34:21,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-14 18:34:21,830 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:34:21,831 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] [2020-10-14 18:34:21,831 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 18:34:21,831 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:34:21,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:34:21,832 INFO L82 PathProgramCache]: Analyzing trace with hash 320501393, now seen corresponding path program 1 times [2020-10-14 18:34:21,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:34:21,832 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1469443207] [2020-10-14 18:34:21,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:34:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:21,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:21,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:21,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 18:34:21,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:21,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-14 18:34:21,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:21,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:21,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:34:21,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-14 18:34:21,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 18:34:21,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:21,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:34:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:21,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:21,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:21,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:34:21,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:21,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:34:21,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:21,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:21,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:34:21,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:34:21,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:34:21,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:21,987 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-14 18:34:21,987 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1469443207] [2020-10-14 18:34:21,988 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:34:21,988 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 18:34:21,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975997926] [2020-10-14 18:34:21,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 18:34:21,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:34:21,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 18:34:21,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 18:34:21,989 INFO L87 Difference]: Start difference. First operand 671 states and 1062 transitions. Second operand 3 states. [2020-10-14 18:34:22,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:34:22,044 INFO L93 Difference]: Finished difference Result 837 states and 1327 transitions. [2020-10-14 18:34:22,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 18:34:22,045 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-10-14 18:34:22,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:34:22,051 INFO L225 Difference]: With dead ends: 837 [2020-10-14 18:34:22,051 INFO L226 Difference]: Without dead ends: 835 [2020-10-14 18:34:22,052 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 [2020-10-14 18:34:22,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2020-10-14 18:34:22,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 835. [2020-10-14 18:34:22,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 835 states. [2020-10-14 18:34:22,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 1324 transitions. [2020-10-14 18:34:22,079 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 1324 transitions. Word has length 126 [2020-10-14 18:34:22,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:34:22,079 INFO L479 AbstractCegarLoop]: Abstraction has 835 states and 1324 transitions. [2020-10-14 18:34:22,079 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 18:34:22,080 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1324 transitions. [2020-10-14 18:34:22,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-10-14 18:34:22,083 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:34:22,084 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, 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, 1, 1] [2020-10-14 18:34:22,084 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 18:34:22,084 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:34:22,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:34:22,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1262768901, now seen corresponding path program 1 times [2020-10-14 18:34:22,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:34:22,085 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [207525514] [2020-10-14 18:34:22,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:34:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:22,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:22,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:22,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:22,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-14 18:34:22,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 18:34:22,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 218 [2020-10-14 18:34:22,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:22,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:22,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:34:22,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-14 18:34:22,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 18:34:22,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:22,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:34:22,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:22,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:22,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:22,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:34:22,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:22,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:34:22,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:22,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:22,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:34:22,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:34:22,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:34:22,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:22,438 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-10-14 18:34:22,438 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [207525514] [2020-10-14 18:34:22,438 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:34:22,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 18:34:22,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164785059] [2020-10-14 18:34:22,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 18:34:22,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:34:22,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 18:34:22,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 18:34:22,441 INFO L87 Difference]: Start difference. First operand 835 states and 1324 transitions. Second operand 3 states. [2020-10-14 18:34:22,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:34:22,759 INFO L93 Difference]: Finished difference Result 1877 states and 3041 transitions. [2020-10-14 18:34:22,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 18:34:22,759 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2020-10-14 18:34:22,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:34:22,766 INFO L225 Difference]: With dead ends: 1877 [2020-10-14 18:34:22,766 INFO L226 Difference]: Without dead ends: 1055 [2020-10-14 18:34:22,768 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 [2020-10-14 18:34:22,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2020-10-14 18:34:22,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 1040. [2020-10-14 18:34:22,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1040 states. [2020-10-14 18:34:22,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 1569 transitions. [2020-10-14 18:34:22,806 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 1569 transitions. Word has length 193 [2020-10-14 18:34:22,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:34:22,807 INFO L479 AbstractCegarLoop]: Abstraction has 1040 states and 1569 transitions. [2020-10-14 18:34:22,807 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 18:34:22,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1569 transitions. [2020-10-14 18:34:22,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-14 18:34:22,811 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:34:22,812 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:34:22,812 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 18:34:22,812 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:34:22,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:34:22,813 INFO L82 PathProgramCache]: Analyzing trace with hash -858899312, now seen corresponding path program 1 times [2020-10-14 18:34:22,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:34:22,813 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [717021270] [2020-10-14 18:34:22,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:34:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:22,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:22,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:22,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:22,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:23,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:23,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:23,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-10-14 18:34:23,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 18:34:23,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 715 [2020-10-14 18:34:23,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:23,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:23,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:34:23,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-14 18:34:23,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 18:34:23,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:23,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:34:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:23,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:23,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:23,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:34:23,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:23,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:34:23,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:23,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:23,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:34:23,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:34:23,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:34:23,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:23,623 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-14 18:34:23,623 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [717021270] [2020-10-14 18:34:23,624 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:34:23,624 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 18:34:23,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461741992] [2020-10-14 18:34:23,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 18:34:23,625 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:34:23,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 18:34:23,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 18:34:23,626 INFO L87 Difference]: Start difference. First operand 1040 states and 1569 transitions. Second operand 3 states. [2020-10-14 18:34:23,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:34:23,848 INFO L93 Difference]: Finished difference Result 2287 states and 3501 transitions. [2020-10-14 18:34:23,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 18:34:23,848 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2020-10-14 18:34:23,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:34:23,856 INFO L225 Difference]: With dead ends: 2287 [2020-10-14 18:34:23,856 INFO L226 Difference]: Without dead ends: 1215 [2020-10-14 18:34:23,860 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 [2020-10-14 18:34:23,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2020-10-14 18:34:23,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 1200. [2020-10-14 18:34:23,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1200 states. [2020-10-14 18:34:23,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 1200 states and 1784 transitions. [2020-10-14 18:34:23,895 INFO L78 Accepts]: Start accepts. Automaton has 1200 states and 1784 transitions. Word has length 206 [2020-10-14 18:34:23,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:34:23,895 INFO L479 AbstractCegarLoop]: Abstraction has 1200 states and 1784 transitions. [2020-10-14 18:34:23,895 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 18:34:23,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1784 transitions. [2020-10-14 18:34:23,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-14 18:34:23,900 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:34:23,901 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1] [2020-10-14 18:34:23,901 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 18:34:23,901 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:34:23,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:34:23,902 INFO L82 PathProgramCache]: Analyzing trace with hash -2102932777, now seen corresponding path program 1 times [2020-10-14 18:34:23,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:34:23,902 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [498333291] [2020-10-14 18:34:23,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:34:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:23,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:23,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:24,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:24,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:24,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:24,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:24,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:25,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:25,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-14 18:34:25,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 18:34:25,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1605 [2020-10-14 18:34:25,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:25,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:25,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:34:25,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-14 18:34:25,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 18:34:25,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:25,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:34:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:25,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:25,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:25,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:34:25,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:25,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:34:25,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:25,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:25,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:34:25,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:34:25,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:34:25,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:25,669 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2020-10-14 18:34:25,669 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [498333291] [2020-10-14 18:34:25,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:34:25,670 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 18:34:25,671 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036610093] [2020-10-14 18:34:25,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 18:34:25,672 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:34:25,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 18:34:25,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 18:34:25,673 INFO L87 Difference]: Start difference. First operand 1200 states and 1784 transitions. Second operand 3 states. [2020-10-14 18:34:25,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:34:25,981 INFO L93 Difference]: Finished difference Result 2612 states and 3945 transitions. [2020-10-14 18:34:25,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 18:34:25,982 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 222 [2020-10-14 18:34:25,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:34:25,993 INFO L225 Difference]: With dead ends: 2612 [2020-10-14 18:34:25,993 INFO L226 Difference]: Without dead ends: 1380 [2020-10-14 18:34:25,997 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 [2020-10-14 18:34:26,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1380 states. [2020-10-14 18:34:26,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1380 to 1305. [2020-10-14 18:34:26,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1305 states. [2020-10-14 18:34:26,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 1305 states and 1959 transitions. [2020-10-14 18:34:26,078 INFO L78 Accepts]: Start accepts. Automaton has 1305 states and 1959 transitions. Word has length 222 [2020-10-14 18:34:26,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:34:26,079 INFO L479 AbstractCegarLoop]: Abstraction has 1305 states and 1959 transitions. [2020-10-14 18:34:26,079 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 18:34:26,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1959 transitions. [2020-10-14 18:34:26,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-10-14 18:34:26,085 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:34:26,085 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 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, 1] [2020-10-14 18:34:26,085 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 18:34:26,086 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:34:26,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:34:26,086 INFO L82 PathProgramCache]: Analyzing trace with hash -1052815174, now seen corresponding path program 2 times [2020-10-14 18:34:26,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:34:26,087 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [375756913] [2020-10-14 18:34:26,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:34:26,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:26,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:26,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:26,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:26,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:26,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:26,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:26,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:27,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:27,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-14 18:34:27,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 18:34:27,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1497 [2020-10-14 18:34:27,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:27,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:27,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 18:34:27,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-14 18:34:27,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-14 18:34:27,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:27,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:34:27,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:27,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:27,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:27,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:34:27,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:27,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:34:27,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:27,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:27,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:34:27,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:34:27,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:34:27,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:34:27,760 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 271 proven. 85 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2020-10-14 18:34:27,761 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [375756913] [2020-10-14 18:34:27,761 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:34:27,761 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 18:34:27,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401996283] [2020-10-14 18:34:27,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 18:34:27,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:34:27,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 18:34:27,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 18:34:27,763 INFO L87 Difference]: Start difference. First operand 1305 states and 1959 transitions. Second operand 5 states. [2020-10-14 18:34:28,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:34:28,607 INFO L93 Difference]: Finished difference Result 4720 states and 7150 transitions. [2020-10-14 18:34:28,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 18:34:28,607 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 235 [2020-10-14 18:34:28,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:34:28,624 INFO L225 Difference]: With dead ends: 4720 [2020-10-14 18:34:28,624 INFO L226 Difference]: Without dead ends: 3428 [2020-10-14 18:34:28,627 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-14 18:34:28,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3428 states. [2020-10-14 18:34:28,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3428 to 2596. [2020-10-14 18:34:28,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2596 states. [2020-10-14 18:34:28,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2596 states to 2596 states and 3783 transitions. [2020-10-14 18:34:28,716 INFO L78 Accepts]: Start accepts. Automaton has 2596 states and 3783 transitions. Word has length 235 [2020-10-14 18:34:28,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:34:28,717 INFO L479 AbstractCegarLoop]: Abstraction has 2596 states and 3783 transitions. [2020-10-14 18:34:28,717 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 18:34:28,717 INFO L276 IsEmpty]: Start isEmpty. Operand 2596 states and 3783 transitions. [2020-10-14 18:34:28,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-10-14 18:34:28,725 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:34:28,725 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2020-10-14 18:34:28,725 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 18:34:28,726 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:34:28,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:34:28,726 INFO L82 PathProgramCache]: Analyzing trace with hash -695613160, now seen corresponding path program 1 times [2020-10-14 18:34:28,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:34:28,727 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1488646996] [2020-10-14 18:34:28,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:34:28,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:28,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:28,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:28,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:28,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:28,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:29,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:29,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:30,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:30,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-14 18:34:30,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 18:34:30,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1262 [2020-10-14 18:34:30,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:30,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:30,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 18:34:30,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-14 18:34:30,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-14 18:34:30,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:30,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:34:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:30,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:30,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:30,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:34:30,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:30,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:34:30,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:30,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:30,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:34:30,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:34:30,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:34:30,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:30,108 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 272 proven. 86 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2020-10-14 18:34:30,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1488646996] [2020-10-14 18:34:30,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:34:30,109 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 18:34:30,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584931464] [2020-10-14 18:34:30,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 18:34:30,110 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:34:30,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 18:34:30,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 18:34:30,110 INFO L87 Difference]: Start difference. First operand 2596 states and 3783 transitions. Second operand 5 states. [2020-10-14 18:34:30,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:34:30,990 INFO L93 Difference]: Finished difference Result 7260 states and 10450 transitions. [2020-10-14 18:34:30,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 18:34:30,990 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 236 [2020-10-14 18:34:30,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:34:31,015 INFO L225 Difference]: With dead ends: 7260 [2020-10-14 18:34:31,015 INFO L226 Difference]: Without dead ends: 4708 [2020-10-14 18:34:31,021 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-14 18:34:31,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4708 states. [2020-10-14 18:34:31,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4708 to 3857. [2020-10-14 18:34:31,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3857 states. [2020-10-14 18:34:31,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3857 states to 3857 states and 5549 transitions. [2020-10-14 18:34:31,156 INFO L78 Accepts]: Start accepts. Automaton has 3857 states and 5549 transitions. Word has length 236 [2020-10-14 18:34:31,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:34:31,157 INFO L479 AbstractCegarLoop]: Abstraction has 3857 states and 5549 transitions. [2020-10-14 18:34:31,157 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 18:34:31,157 INFO L276 IsEmpty]: Start isEmpty. Operand 3857 states and 5549 transitions. [2020-10-14 18:34:31,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-10-14 18:34:31,168 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:34:31,169 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 18:34:31,169 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 18:34:31,169 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:34:31,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:34:31,170 INFO L82 PathProgramCache]: Analyzing trace with hash 21098390, now seen corresponding path program 1 times [2020-10-14 18:34:31,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:34:31,170 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [200120517] [2020-10-14 18:34:31,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:34:31,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:31,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:31,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:31,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:31,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:31,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:31,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:32,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:32,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-10-14 18:34:32,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 18:34:32,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 863 [2020-10-14 18:34:32,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:32,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:32,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:34:32,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-10-14 18:34:32,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 18:34:32,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:32,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:34:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:32,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:32,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:32,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:34:32,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:32,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:34:32,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:32,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:32,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:34:32,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:34:32,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:34:32,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:32,175 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 268 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2020-10-14 18:34:32,176 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [200120517] [2020-10-14 18:34:32,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:34:32,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 18:34:32,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118265538] [2020-10-14 18:34:32,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 18:34:32,177 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:34:32,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 18:34:32,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 18:34:32,178 INFO L87 Difference]: Start difference. First operand 3857 states and 5549 transitions. Second operand 3 states. [2020-10-14 18:34:32,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:34:32,454 INFO L93 Difference]: Finished difference Result 8134 states and 11649 transitions. [2020-10-14 18:34:32,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 18:34:32,455 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 243 [2020-10-14 18:34:32,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:34:32,481 INFO L225 Difference]: With dead ends: 8134 [2020-10-14 18:34:32,482 INFO L226 Difference]: Without dead ends: 3827 [2020-10-14 18:34:32,493 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 [2020-10-14 18:34:32,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3827 states. [2020-10-14 18:34:32,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3827 to 3827. [2020-10-14 18:34:32,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3827 states. [2020-10-14 18:34:32,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3827 states to 3827 states and 5468 transitions. [2020-10-14 18:34:32,652 INFO L78 Accepts]: Start accepts. Automaton has 3827 states and 5468 transitions. Word has length 243 [2020-10-14 18:34:32,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:34:32,653 INFO L479 AbstractCegarLoop]: Abstraction has 3827 states and 5468 transitions. [2020-10-14 18:34:32,653 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 18:34:32,654 INFO L276 IsEmpty]: Start isEmpty. Operand 3827 states and 5468 transitions. [2020-10-14 18:34:32,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-10-14 18:34:32,672 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:34:32,673 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 18:34:32,673 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 18:34:32,673 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:34:32,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:34:32,674 INFO L82 PathProgramCache]: Analyzing trace with hash -946252264, now seen corresponding path program 1 times [2020-10-14 18:34:32,674 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:34:32,675 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [345750248] [2020-10-14 18:34:32,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:34:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:32,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:32,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:32,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:32,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:32,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:32,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:33,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:33,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:34,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:34,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-10-14 18:34:34,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 18:34:34,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1522 [2020-10-14 18:34:34,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:34,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:34,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:34:34,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 18:34:34,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-14 18:34:34,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:34,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:34:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:34,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:34,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:34,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:34:34,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:34,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:34:34,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:34,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:34,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:34:34,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:34:34,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:34:34,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:34,323 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 362 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2020-10-14 18:34:34,323 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [345750248] [2020-10-14 18:34:34,324 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:34:34,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 18:34:34,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671023624] [2020-10-14 18:34:34,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 18:34:34,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:34:34,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 18:34:34,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 18:34:34,326 INFO L87 Difference]: Start difference. First operand 3827 states and 5468 transitions. Second operand 3 states. [2020-10-14 18:34:34,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:34:34,471 INFO L93 Difference]: Finished difference Result 11366 states and 16223 transitions. [2020-10-14 18:34:34,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 18:34:34,472 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 243 [2020-10-14 18:34:34,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:34:34,494 INFO L225 Difference]: With dead ends: 11366 [2020-10-14 18:34:34,494 INFO L226 Difference]: Without dead ends: 4375 [2020-10-14 18:34:34,507 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 [2020-10-14 18:34:34,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4375 states. [2020-10-14 18:34:34,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4375 to 4222. [2020-10-14 18:34:34,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4222 states. [2020-10-14 18:34:34,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4222 states to 4222 states and 6038 transitions. [2020-10-14 18:34:34,638 INFO L78 Accepts]: Start accepts. Automaton has 4222 states and 6038 transitions. Word has length 243 [2020-10-14 18:34:34,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:34:34,639 INFO L479 AbstractCegarLoop]: Abstraction has 4222 states and 6038 transitions. [2020-10-14 18:34:34,639 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 18:34:34,639 INFO L276 IsEmpty]: Start isEmpty. Operand 4222 states and 6038 transitions. [2020-10-14 18:34:34,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-10-14 18:34:34,653 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:34:34,653 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 18:34:34,653 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 18:34:34,654 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:34:34,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:34:34,654 INFO L82 PathProgramCache]: Analyzing trace with hash -1700851300, now seen corresponding path program 1 times [2020-10-14 18:34:34,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:34:34,655 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [817581056] [2020-10-14 18:34:34,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:34:34,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:34,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:34,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:34,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:34,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:34,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:34,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:34,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:34,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:35,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:37,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:37,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-10-14 18:34:37,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 18:34:37,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3040 [2020-10-14 18:34:37,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:37,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:37,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:34:37,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 142 [2020-10-14 18:34:37,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 18:34:37,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:37,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:34:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:37,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:37,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:37,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:34:37,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:37,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:34:37,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:37,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:37,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:34:37,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:34:37,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:34:37,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:37,837 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 337 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2020-10-14 18:34:37,838 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [817581056] [2020-10-14 18:34:37,838 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:34:37,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 18:34:37,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577487149] [2020-10-14 18:34:37,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 18:34:37,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:34:37,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 18:34:37,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 18:34:37,841 INFO L87 Difference]: Start difference. First operand 4222 states and 6038 transitions. Second operand 3 states. [2020-10-14 18:34:38,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:34:38,203 INFO L93 Difference]: Finished difference Result 9067 states and 13148 transitions. [2020-10-14 18:34:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 18:34:38,204 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 243 [2020-10-14 18:34:38,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:34:38,258 INFO L225 Difference]: With dead ends: 9067 [2020-10-14 18:34:38,258 INFO L226 Difference]: Without dead ends: 4755 [2020-10-14 18:34:38,278 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 [2020-10-14 18:34:38,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4755 states. [2020-10-14 18:34:38,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4755 to 4567. [2020-10-14 18:34:38,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4567 states. [2020-10-14 18:34:38,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4567 states to 4567 states and 6608 transitions. [2020-10-14 18:34:38,484 INFO L78 Accepts]: Start accepts. Automaton has 4567 states and 6608 transitions. Word has length 243 [2020-10-14 18:34:38,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:34:38,485 INFO L479 AbstractCegarLoop]: Abstraction has 4567 states and 6608 transitions. [2020-10-14 18:34:38,485 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 18:34:38,485 INFO L276 IsEmpty]: Start isEmpty. Operand 4567 states and 6608 transitions. [2020-10-14 18:34:38,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2020-10-14 18:34:38,501 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:34:38,501 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1] [2020-10-14 18:34:38,502 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 18:34:38,502 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:34:38,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:34:38,502 INFO L82 PathProgramCache]: Analyzing trace with hash -587250261, now seen corresponding path program 1 times [2020-10-14 18:34:38,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:34:38,503 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [606595256] [2020-10-14 18:34:38,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:34:38,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:38,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:38,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:38,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:38,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:38,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:39,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:40,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:40,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-14 18:34:40,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 18:34:40,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1497 [2020-10-14 18:34:40,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:40,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:40,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:34:40,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-14 18:34:40,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 18:34:40,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:40,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:34:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:40,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:40,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:40,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:34:40,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:40,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:34:40,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:40,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:40,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:34:40,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:34:40,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:34:40,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:40,294 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 372 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2020-10-14 18:34:40,295 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [606595256] [2020-10-14 18:34:40,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:34:40,295 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 18:34:40,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336167710] [2020-10-14 18:34:40,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 18:34:40,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:34:40,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 18:34:40,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 18:34:40,297 INFO L87 Difference]: Start difference. First operand 4567 states and 6608 transitions. Second operand 3 states. [2020-10-14 18:34:40,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:34:40,569 INFO L93 Difference]: Finished difference Result 9990 states and 14693 transitions. [2020-10-14 18:34:40,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 18:34:40,570 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 266 [2020-10-14 18:34:40,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:34:40,590 INFO L225 Difference]: With dead ends: 9990 [2020-10-14 18:34:40,590 INFO L226 Difference]: Without dead ends: 5309 [2020-10-14 18:34:40,600 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 [2020-10-14 18:34:40,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5309 states. [2020-10-14 18:34:40,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5309 to 4992. [2020-10-14 18:34:40,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4992 states. [2020-10-14 18:34:40,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4992 states to 4992 states and 7321 transitions. [2020-10-14 18:34:40,743 INFO L78 Accepts]: Start accepts. Automaton has 4992 states and 7321 transitions. Word has length 266 [2020-10-14 18:34:40,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:34:40,743 INFO L479 AbstractCegarLoop]: Abstraction has 4992 states and 7321 transitions. [2020-10-14 18:34:40,743 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 18:34:40,744 INFO L276 IsEmpty]: Start isEmpty. Operand 4992 states and 7321 transitions. [2020-10-14 18:34:40,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-10-14 18:34:40,757 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:34:40,757 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:34:40,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 18:34:40,758 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:34:40,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:34:40,758 INFO L82 PathProgramCache]: Analyzing trace with hash -328243281, now seen corresponding path program 1 times [2020-10-14 18:34:40,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:34:40,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1216926110] [2020-10-14 18:34:40,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:34:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:40,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:40,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:40,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:40,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:40,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:40,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:41,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:41,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:44,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:44,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 283 [2020-10-14 18:34:44,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 18:34:44,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3540 [2020-10-14 18:34:44,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:44,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:44,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 18:34:44,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-14 18:34:44,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-14 18:34:44,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:44,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:34:44,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:44,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:44,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:44,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:34:44,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:44,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:34:44,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:44,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:44,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:34:44,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:34:44,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:34:44,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:44,498 INFO L134 CoverageAnalysis]: Checked inductivity of 657 backedges. 484 proven. 95 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-14 18:34:44,499 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1216926110] [2020-10-14 18:34:44,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:34:44,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 18:34:44,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367884497] [2020-10-14 18:34:44,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 18:34:44,500 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:34:44,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 18:34:44,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 18:34:44,502 INFO L87 Difference]: Start difference. First operand 4992 states and 7321 transitions. Second operand 5 states. [2020-10-14 18:34:45,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:34:45,429 INFO L93 Difference]: Finished difference Result 12617 states and 18416 transitions. [2020-10-14 18:34:45,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 18:34:45,429 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 275 [2020-10-14 18:34:45,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:34:45,447 INFO L225 Difference]: With dead ends: 12617 [2020-10-14 18:34:45,448 INFO L226 Difference]: Without dead ends: 7670 [2020-10-14 18:34:45,461 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-14 18:34:45,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7670 states. [2020-10-14 18:34:45,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7670 to 6479. [2020-10-14 18:34:45,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6479 states. [2020-10-14 18:34:45,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6479 states to 6479 states and 9570 transitions. [2020-10-14 18:34:45,667 INFO L78 Accepts]: Start accepts. Automaton has 6479 states and 9570 transitions. Word has length 275 [2020-10-14 18:34:45,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:34:45,668 INFO L479 AbstractCegarLoop]: Abstraction has 6479 states and 9570 transitions. [2020-10-14 18:34:45,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 18:34:45,668 INFO L276 IsEmpty]: Start isEmpty. Operand 6479 states and 9570 transitions. [2020-10-14 18:34:45,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2020-10-14 18:34:45,685 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:34:45,686 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:34:45,686 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 18:34:45,686 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:34:45,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:34:45,687 INFO L82 PathProgramCache]: Analyzing trace with hash 796138673, now seen corresponding path program 1 times [2020-10-14 18:34:45,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:34:45,687 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1189975841] [2020-10-14 18:34:45,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:34:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:45,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:45,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:45,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:45,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:45,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:45,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:46,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:46,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:48,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:48,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 284 [2020-10-14 18:34:48,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 18:34:48,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3086 [2020-10-14 18:34:48,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:48,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:48,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 18:34:48,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-14 18:34:48,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-14 18:34:48,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:48,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:34:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:48,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:48,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:48,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:34:48,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:48,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:34:48,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:48,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:48,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:34:48,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:34:48,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:34:48,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:48,929 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 486 proven. 96 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-14 18:34:48,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1189975841] [2020-10-14 18:34:48,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:34:48,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 18:34:48,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259135550] [2020-10-14 18:34:48,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 18:34:48,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:34:48,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 18:34:48,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 18:34:48,932 INFO L87 Difference]: Start difference. First operand 6479 states and 9570 transitions. Second operand 5 states. [2020-10-14 18:34:49,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:34:49,883 INFO L93 Difference]: Finished difference Result 16491 states and 24452 transitions. [2020-10-14 18:34:49,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 18:34:49,884 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 276 [2020-10-14 18:34:49,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:34:49,908 INFO L225 Difference]: With dead ends: 16491 [2020-10-14 18:34:49,908 INFO L226 Difference]: Without dead ends: 10059 [2020-10-14 18:34:49,923 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-14 18:34:49,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10059 states. [2020-10-14 18:34:50,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10059 to 8873. [2020-10-14 18:34:50,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8873 states. [2020-10-14 18:34:50,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8873 states to 8873 states and 12700 transitions. [2020-10-14 18:34:50,162 INFO L78 Accepts]: Start accepts. Automaton has 8873 states and 12700 transitions. Word has length 276 [2020-10-14 18:34:50,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:34:50,163 INFO L479 AbstractCegarLoop]: Abstraction has 8873 states and 12700 transitions. [2020-10-14 18:34:50,163 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 18:34:50,163 INFO L276 IsEmpty]: Start isEmpty. Operand 8873 states and 12700 transitions. [2020-10-14 18:34:50,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-10-14 18:34:50,181 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:34:50,181 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:34:50,182 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 18:34:50,182 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:34:50,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:34:50,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1513860043, now seen corresponding path program 1 times [2020-10-14 18:34:50,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:34:50,183 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1678934462] [2020-10-14 18:34:50,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:34:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:50,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:50,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:50,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:50,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:50,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:50,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:50,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:50,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:53,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:53,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-10-14 18:34:53,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 18:34:53,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3491 [2020-10-14 18:34:53,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:53,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:53,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 18:34:53,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-14 18:34:53,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-14 18:34:53,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:34:53,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:34:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:53,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:53,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:53,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:34:53,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:53,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:34:53,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:53,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:53,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:34:53,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:34:53,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:34:53,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:34:53,804 INFO L134 CoverageAnalysis]: Checked inductivity of 661 backedges. 487 proven. 96 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-14 18:34:53,805 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1678934462] [2020-10-14 18:34:53,805 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:34:53,805 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 18:34:53,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141549135] [2020-10-14 18:34:53,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 18:34:53,806 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:34:53,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 18:34:53,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 18:34:53,807 INFO L87 Difference]: Start difference. First operand 8873 states and 12700 transitions. Second operand 5 states. [2020-10-14 18:34:54,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:34:54,576 INFO L93 Difference]: Finished difference Result 17585 states and 24869 transitions. [2020-10-14 18:34:54,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 18:34:54,576 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 277 [2020-10-14 18:34:54,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:34:54,602 INFO L225 Difference]: With dead ends: 17585 [2020-10-14 18:34:54,602 INFO L226 Difference]: Without dead ends: 11929 [2020-10-14 18:34:54,615 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-14 18:34:54,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11929 states. [2020-10-14 18:34:54,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11929 to 10749. [2020-10-14 18:34:54,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10749 states. [2020-10-14 18:34:54,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10749 states to 10749 states and 15289 transitions. [2020-10-14 18:34:54,854 INFO L78 Accepts]: Start accepts. Automaton has 10749 states and 15289 transitions. Word has length 277 [2020-10-14 18:34:54,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:34:54,855 INFO L479 AbstractCegarLoop]: Abstraction has 10749 states and 15289 transitions. [2020-10-14 18:34:54,855 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 18:34:54,855 INFO L276 IsEmpty]: Start isEmpty. Operand 10749 states and 15289 transitions. [2020-10-14 18:34:54,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2020-10-14 18:34:54,876 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:34:54,877 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:34:54,877 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 18:34:54,877 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:34:54,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:34:54,877 INFO L82 PathProgramCache]: Analyzing trace with hash 996824903, now seen corresponding path program 1 times [2020-10-14 18:34:54,878 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:34:54,878 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [978677945] [2020-10-14 18:34:54,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:34:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:54,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:54,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:54,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:54,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:55,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:55,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:56,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:56,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 296 [2020-10-14 18:34:56,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 18:34:56,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1868 [2020-10-14 18:34:56,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:56,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:56,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 18:34:56,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 147 [2020-10-14 18:34:56,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 18:34:56,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:34:56,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:34:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:56,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:56,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:56,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:34:56,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:56,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:34:56,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:56,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:56,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:34:56,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:34:56,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:34:56,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:34:56,894 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 530 proven. 26 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2020-10-14 18:34:56,895 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [978677945] [2020-10-14 18:34:56,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:34:56,896 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-14 18:34:56,896 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70362808] [2020-10-14 18:34:56,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 18:34:56,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:34:56,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 18:34:56,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 18:34:56,897 INFO L87 Difference]: Start difference. First operand 10749 states and 15289 transitions. Second operand 4 states. [2020-10-14 18:34:57,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:34:57,348 INFO L93 Difference]: Finished difference Result 20257 states and 28622 transitions. [2020-10-14 18:34:57,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 18:34:57,349 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 288 [2020-10-14 18:34:57,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:34:57,376 INFO L225 Difference]: With dead ends: 20257 [2020-10-14 18:34:57,376 INFO L226 Difference]: Without dead ends: 12533 [2020-10-14 18:34:57,392 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 [2020-10-14 18:34:57,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12533 states. [2020-10-14 18:34:57,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12533 to 12164. [2020-10-14 18:34:57,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12164 states. [2020-10-14 18:34:57,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12164 states to 12164 states and 17314 transitions. [2020-10-14 18:34:57,681 INFO L78 Accepts]: Start accepts. Automaton has 12164 states and 17314 transitions. Word has length 288 [2020-10-14 18:34:57,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:34:57,681 INFO L479 AbstractCegarLoop]: Abstraction has 12164 states and 17314 transitions. [2020-10-14 18:34:57,681 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 18:34:57,681 INFO L276 IsEmpty]: Start isEmpty. Operand 12164 states and 17314 transitions. [2020-10-14 18:34:57,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-10-14 18:34:57,722 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:34:57,722 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:34:57,722 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 18:34:57,722 INFO L427 AbstractCegarLoop]: === Iteration 19 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:34:57,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:34:57,723 INFO L82 PathProgramCache]: Analyzing trace with hash 395977535, now seen corresponding path program 1 times [2020-10-14 18:34:57,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:34:57,723 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [584759061] [2020-10-14 18:34:57,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:34:57,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:57,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:57,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:57,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:57,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:57,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:57,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:58,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:58,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 300 [2020-10-14 18:34:58,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 18:34:58,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 701 [2020-10-14 18:34:58,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:58,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:58,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:34:58,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 99 [2020-10-14 18:34:58,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 18:34:58,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:34:58,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:34:58,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:58,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:58,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:34:58,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:34:58,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:34:58,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:34:58,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:34:58,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:34:58,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:34:58,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:34:58,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:34:58,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:34:58,611 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 477 proven. 0 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2020-10-14 18:34:58,611 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [584759061] [2020-10-14 18:34:58,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:34:58,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 18:34:58,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670135102] [2020-10-14 18:34:58,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 18:34:58,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:34:58,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 18:34:58,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 18:34:58,613 INFO L87 Difference]: Start difference. First operand 12164 states and 17314 transitions. Second operand 3 states. [2020-10-14 18:34:58,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:34:58,984 INFO L93 Difference]: Finished difference Result 25952 states and 37469 transitions. [2020-10-14 18:34:58,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 18:34:58,985 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 292 [2020-10-14 18:34:58,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:34:59,015 INFO L225 Difference]: With dead ends: 25952 [2020-10-14 18:34:59,016 INFO L226 Difference]: Without dead ends: 13491 [2020-10-14 18:34:59,036 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 [2020-10-14 18:34:59,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13491 states. [2020-10-14 18:34:59,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13491 to 13136. [2020-10-14 18:34:59,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13136 states. [2020-10-14 18:34:59,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13136 states to 13136 states and 18965 transitions. [2020-10-14 18:34:59,316 INFO L78 Accepts]: Start accepts. Automaton has 13136 states and 18965 transitions. Word has length 292 [2020-10-14 18:34:59,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:34:59,316 INFO L479 AbstractCegarLoop]: Abstraction has 13136 states and 18965 transitions. [2020-10-14 18:34:59,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 18:34:59,316 INFO L276 IsEmpty]: Start isEmpty. Operand 13136 states and 18965 transitions. [2020-10-14 18:34:59,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2020-10-14 18:34:59,332 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:34:59,332 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:34:59,332 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 18:34:59,333 INFO L427 AbstractCegarLoop]: === Iteration 20 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:34:59,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:34:59,333 INFO L82 PathProgramCache]: Analyzing trace with hash -91995387, now seen corresponding path program 1 times [2020-10-14 18:34:59,334 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:34:59,334 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [526464974] [2020-10-14 18:34:59,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:34:59,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:34:59,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:59,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:59,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:59,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:59,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:59,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:59,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:59,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:34:59,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:00,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:04,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:35:04,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 307 [2020-10-14 18:35:04,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 18:35:04,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4659 [2020-10-14 18:35:04,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:35:04,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:35:04,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 18:35:04,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-14 18:35:04,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 18:35:04,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:35:04,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:35:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:35:04,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:04,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:35:04,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:35:04,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:35:04,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:35:04,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:35:04,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:35:04,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:35:04,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:35:04,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:35:04,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:35:04,145 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 620 proven. 71 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2020-10-14 18:35:04,145 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [526464974] [2020-10-14 18:35:04,146 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:35:04,146 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 18:35:04,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545069376] [2020-10-14 18:35:04,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 18:35:04,147 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:35:04,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 18:35:04,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 18:35:04,147 INFO L87 Difference]: Start difference. First operand 13136 states and 18965 transitions. Second operand 5 states. [2020-10-14 18:35:05,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:35:05,008 INFO L93 Difference]: Finished difference Result 39861 states and 57628 transitions. [2020-10-14 18:35:05,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 18:35:05,008 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 299 [2020-10-14 18:35:05,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:35:05,054 INFO L225 Difference]: With dead ends: 39861 [2020-10-14 18:35:05,055 INFO L226 Difference]: Without dead ends: 25848 [2020-10-14 18:35:05,076 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 18:35:05,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25848 states. [2020-10-14 18:35:05,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25848 to 15014. [2020-10-14 18:35:05,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15014 states. [2020-10-14 18:35:05,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15014 states to 15014 states and 21116 transitions. [2020-10-14 18:35:05,490 INFO L78 Accepts]: Start accepts. Automaton has 15014 states and 21116 transitions. Word has length 299 [2020-10-14 18:35:05,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:35:05,490 INFO L479 AbstractCegarLoop]: Abstraction has 15014 states and 21116 transitions. [2020-10-14 18:35:05,490 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 18:35:05,490 INFO L276 IsEmpty]: Start isEmpty. Operand 15014 states and 21116 transitions. [2020-10-14 18:35:05,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2020-10-14 18:35:05,504 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:35:05,505 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:35:05,505 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 18:35:05,505 INFO L427 AbstractCegarLoop]: === Iteration 21 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:35:05,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:35:05,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1523563728, now seen corresponding path program 1 times [2020-10-14 18:35:05,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:35:05,506 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1236021431] [2020-10-14 18:35:05,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:35:05,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:35:05,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:05,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:05,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:05,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:05,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:05,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:05,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:05,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:06,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:06,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:09,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:35:09,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 308 [2020-10-14 18:35:09,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 18:35:09,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4041 [2020-10-14 18:35:09,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:35:09,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:35:09,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 18:35:09,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-14 18:35:09,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-14 18:35:09,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:35:09,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:35:09,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:35:09,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:09,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:35:09,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:35:09,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:35:09,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:35:09,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:35:09,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:35:09,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:35:09,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:35:09,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:35:09,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:35:09,702 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 582 proven. 139 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2020-10-14 18:35:09,702 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1236021431] [2020-10-14 18:35:09,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:35:09,702 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 18:35:09,702 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752545723] [2020-10-14 18:35:09,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 18:35:09,703 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:35:09,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 18:35:09,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 18:35:09,704 INFO L87 Difference]: Start difference. First operand 15014 states and 21116 transitions. Second operand 5 states. [2020-10-14 18:35:10,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:35:10,618 INFO L93 Difference]: Finished difference Result 35139 states and 49079 transitions. [2020-10-14 18:35:10,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 18:35:10,619 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 300 [2020-10-14 18:35:10,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:35:10,648 INFO L225 Difference]: With dead ends: 35139 [2020-10-14 18:35:10,648 INFO L226 Difference]: Without dead ends: 20172 [2020-10-14 18:35:10,668 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-14 18:35:10,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20172 states. [2020-10-14 18:35:11,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20172 to 14939. [2020-10-14 18:35:11,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14939 states. [2020-10-14 18:35:11,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14939 states to 14939 states and 21001 transitions. [2020-10-14 18:35:11,038 INFO L78 Accepts]: Start accepts. Automaton has 14939 states and 21001 transitions. Word has length 300 [2020-10-14 18:35:11,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:35:11,039 INFO L479 AbstractCegarLoop]: Abstraction has 14939 states and 21001 transitions. [2020-10-14 18:35:11,039 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 18:35:11,039 INFO L276 IsEmpty]: Start isEmpty. Operand 14939 states and 21001 transitions. [2020-10-14 18:35:11,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-10-14 18:35:11,053 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:35:11,054 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 3, 3, 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, 1, 1, 1, 1, 1] [2020-10-14 18:35:11,054 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 18:35:11,054 INFO L427 AbstractCegarLoop]: === Iteration 22 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:35:11,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:35:11,055 INFO L82 PathProgramCache]: Analyzing trace with hash -437784169, now seen corresponding path program 1 times [2020-10-14 18:35:11,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:35:11,055 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1288539781] [2020-10-14 18:35:11,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:35:11,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:35:11,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:11,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:11,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:11,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:11,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:11,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:11,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:35:11,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 321 [2020-10-14 18:35:11,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 18:35:11,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 802 [2020-10-14 18:35:11,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:35:11,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:35:11,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:35:11,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 18:35:11,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 18:35:11,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:35:11,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:35:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:35:11,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:11,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:35:11,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:35:11,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:35:11,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:35:11,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:35:11,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:35:11,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:35:11,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:35:11,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:35:11,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:35:11,967 INFO L134 CoverageAnalysis]: Checked inductivity of 878 backedges. 358 proven. 0 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2020-10-14 18:35:11,967 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1288539781] [2020-10-14 18:35:11,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:35:11,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 18:35:11,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332530906] [2020-10-14 18:35:11,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 18:35:11,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:35:11,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 18:35:11,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 18:35:11,969 INFO L87 Difference]: Start difference. First operand 14939 states and 21001 transitions. Second operand 3 states. [2020-10-14 18:35:12,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:35:12,432 INFO L93 Difference]: Finished difference Result 30772 states and 42952 transitions. [2020-10-14 18:35:12,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 18:35:12,434 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 313 [2020-10-14 18:35:12,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:35:12,457 INFO L225 Difference]: With dead ends: 30772 [2020-10-14 18:35:12,457 INFO L226 Difference]: Without dead ends: 15588 [2020-10-14 18:35:12,470 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 [2020-10-14 18:35:12,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15588 states. [2020-10-14 18:35:12,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15588 to 14939. [2020-10-14 18:35:12,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14939 states. [2020-10-14 18:35:12,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14939 states to 14939 states and 19776 transitions. [2020-10-14 18:35:12,789 INFO L78 Accepts]: Start accepts. Automaton has 14939 states and 19776 transitions. Word has length 313 [2020-10-14 18:35:12,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:35:12,789 INFO L479 AbstractCegarLoop]: Abstraction has 14939 states and 19776 transitions. [2020-10-14 18:35:12,789 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 18:35:12,789 INFO L276 IsEmpty]: Start isEmpty. Operand 14939 states and 19776 transitions. [2020-10-14 18:35:12,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2020-10-14 18:35:12,800 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:35:12,800 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:35:12,801 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-14 18:35:12,801 INFO L427 AbstractCegarLoop]: === Iteration 23 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:35:12,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:35:12,801 INFO L82 PathProgramCache]: Analyzing trace with hash 673868107, now seen corresponding path program 1 times [2020-10-14 18:35:12,801 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:35:12,802 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [816927709] [2020-10-14 18:35:12,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:35:12,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:35:12,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:12,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:12,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:12,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:12,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:13,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:13,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:35:13,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 323 [2020-10-14 18:35:13,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 18:35:13,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 627 [2020-10-14 18:35:13,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:35:13,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:35:13,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:35:13,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-14 18:35:13,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 18:35:13,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:35:13,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:35:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:35:13,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:13,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:35:13,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:35:13,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:35:13,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:35:13,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:35:13,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:35:13,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:35:13,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:35:13,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:35:13,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:35:13,516 INFO L134 CoverageAnalysis]: Checked inductivity of 944 backedges. 592 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2020-10-14 18:35:13,516 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [816927709] [2020-10-14 18:35:13,516 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:35:13,517 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 18:35:13,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775377517] [2020-10-14 18:35:13,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 18:35:13,518 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:35:13,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 18:35:13,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 18:35:13,518 INFO L87 Difference]: Start difference. First operand 14939 states and 19776 transitions. Second operand 3 states. [2020-10-14 18:35:13,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:35:13,799 INFO L93 Difference]: Finished difference Result 24758 states and 33065 transitions. [2020-10-14 18:35:13,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 18:35:13,799 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 315 [2020-10-14 18:35:13,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:35:13,812 INFO L225 Difference]: With dead ends: 24758 [2020-10-14 18:35:13,812 INFO L226 Difference]: Without dead ends: 9470 [2020-10-14 18:35:13,828 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 [2020-10-14 18:35:13,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9470 states. [2020-10-14 18:35:13,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9470 to 5750. [2020-10-14 18:35:13,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5750 states. [2020-10-14 18:35:13,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5750 states to 5750 states and 7729 transitions. [2020-10-14 18:35:13,981 INFO L78 Accepts]: Start accepts. Automaton has 5750 states and 7729 transitions. Word has length 315 [2020-10-14 18:35:13,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:35:13,982 INFO L479 AbstractCegarLoop]: Abstraction has 5750 states and 7729 transitions. [2020-10-14 18:35:13,982 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 18:35:13,982 INFO L276 IsEmpty]: Start isEmpty. Operand 5750 states and 7729 transitions. [2020-10-14 18:35:13,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2020-10-14 18:35:13,989 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:35:13,989 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 6, 6, 6, 6, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:35:13,989 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-14 18:35:13,989 INFO L427 AbstractCegarLoop]: === Iteration 24 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:35:13,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:35:13,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1918376830, now seen corresponding path program 1 times [2020-10-14 18:35:13,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:35:13,990 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [245822507] [2020-10-14 18:35:13,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:35:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:35:14,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:14,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:14,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:14,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:35:14,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 419 [2020-10-14 18:35:14,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 18:35:14,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 613 [2020-10-14 18:35:14,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:35:14,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:35:14,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 18:35:14,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-14 18:35:14,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 18:35:14,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:35:14,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:35:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:35:14,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:14,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:35:14,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:35:14,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:35:14,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:35:14,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:35:14,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:35:14,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:35:14,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:35:14,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:35:14,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:35:14,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1691 backedges. 1050 proven. 26 refuted. 0 times theorem prover too weak. 615 trivial. 0 not checked. [2020-10-14 18:35:14,821 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [245822507] [2020-10-14 18:35:14,821 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:35:14,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-14 18:35:14,821 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250441439] [2020-10-14 18:35:14,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 18:35:14,822 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:35:14,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 18:35:14,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 18:35:14,823 INFO L87 Difference]: Start difference. First operand 5750 states and 7729 transitions. Second operand 4 states. [2020-10-14 18:35:15,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:35:15,235 INFO L93 Difference]: Finished difference Result 10458 states and 14047 transitions. [2020-10-14 18:35:15,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 18:35:15,235 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 411 [2020-10-14 18:35:15,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:35:15,241 INFO L225 Difference]: With dead ends: 10458 [2020-10-14 18:35:15,242 INFO L226 Difference]: Without dead ends: 5772 [2020-10-14 18:35:15,246 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 [2020-10-14 18:35:15,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5772 states. [2020-10-14 18:35:15,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5772 to 5082. [2020-10-14 18:35:15,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5082 states. [2020-10-14 18:35:15,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5082 states to 5082 states and 6838 transitions. [2020-10-14 18:35:15,340 INFO L78 Accepts]: Start accepts. Automaton has 5082 states and 6838 transitions. Word has length 411 [2020-10-14 18:35:15,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:35:15,340 INFO L479 AbstractCegarLoop]: Abstraction has 5082 states and 6838 transitions. [2020-10-14 18:35:15,340 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 18:35:15,340 INFO L276 IsEmpty]: Start isEmpty. Operand 5082 states and 6838 transitions. [2020-10-14 18:35:15,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2020-10-14 18:35:15,346 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:35:15,347 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 12, 12, 11, 11, 10, 10, 9, 9, 9, 9, 7, 5, 5, 5, 5, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:35:15,347 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-14 18:35:15,347 INFO L427 AbstractCegarLoop]: === Iteration 25 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:35:15,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:35:15,348 INFO L82 PathProgramCache]: Analyzing trace with hash 1470824640, now seen corresponding path program 1 times [2020-10-14 18:35:15,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:35:15,348 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1984077641] [2020-10-14 18:35:15,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:35:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:35:15,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:15,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:15,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:15,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:15,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:15,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:15,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:15,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:17,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:35:17,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 451 [2020-10-14 18:35:17,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 18:35:17,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1652 [2020-10-14 18:35:17,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:35:17,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:35:17,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:35:17,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 186 [2020-10-14 18:35:17,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-14 18:35:17,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:35:17,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:35:17,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:35:17,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:17,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:35:17,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:35:17,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:35:17,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:35:17,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:35:17,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:35:17,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:35:17,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:35:17,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:35:17,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:35:17,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2026 backedges. 1193 proven. 0 refuted. 0 times theorem prover too weak. 833 trivial. 0 not checked. [2020-10-14 18:35:17,181 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1984077641] [2020-10-14 18:35:17,181 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:35:17,181 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 18:35:17,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250844424] [2020-10-14 18:35:17,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 18:35:17,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:35:17,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 18:35:17,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 18:35:17,182 INFO L87 Difference]: Start difference. First operand 5082 states and 6838 transitions. Second operand 3 states. [2020-10-14 18:35:17,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:35:17,440 INFO L93 Difference]: Finished difference Result 10441 states and 14062 transitions. [2020-10-14 18:35:17,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 18:35:17,440 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 443 [2020-10-14 18:35:17,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:35:17,446 INFO L225 Difference]: With dead ends: 10441 [2020-10-14 18:35:17,446 INFO L226 Difference]: Without dead ends: 5406 [2020-10-14 18:35:17,449 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 [2020-10-14 18:35:17,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5406 states. [2020-10-14 18:35:17,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5406 to 5388. [2020-10-14 18:35:17,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5388 states. [2020-10-14 18:35:17,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5388 states to 5388 states and 7189 transitions. [2020-10-14 18:35:17,548 INFO L78 Accepts]: Start accepts. Automaton has 5388 states and 7189 transitions. Word has length 443 [2020-10-14 18:35:17,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:35:17,549 INFO L479 AbstractCegarLoop]: Abstraction has 5388 states and 7189 transitions. [2020-10-14 18:35:17,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 18:35:17,549 INFO L276 IsEmpty]: Start isEmpty. Operand 5388 states and 7189 transitions. [2020-10-14 18:35:17,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2020-10-14 18:35:17,557 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:35:17,557 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 14, 14, 13, 13, 12, 12, 11, 11, 11, 11, 9, 7, 7, 5, 5, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:35:17,557 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-14 18:35:17,558 INFO L427 AbstractCegarLoop]: === Iteration 26 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:35:17,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:35:17,558 INFO L82 PathProgramCache]: Analyzing trace with hash -1809140612, now seen corresponding path program 1 times [2020-10-14 18:35:17,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:35:17,558 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1849861160] [2020-10-14 18:35:17,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:35:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:35:17,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:17,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:17,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:17,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:17,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:17,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:18,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:35:18,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 513 [2020-10-14 18:35:18,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 18:35:18,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1086 [2020-10-14 18:35:18,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:35:18,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:35:18,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:35:18,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 217 [2020-10-14 18:35:18,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 18:35:18,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:35:18,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:35:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:35:18,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:18,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:35:18,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:35:18,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:35:18,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:35:18,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:35:18,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:35:18,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:35:18,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:35:18,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:35:18,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:35:18,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2743 backedges. 1614 proven. 0 refuted. 0 times theorem prover too weak. 1129 trivial. 0 not checked. [2020-10-14 18:35:18,806 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1849861160] [2020-10-14 18:35:18,806 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:35:18,806 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 18:35:18,806 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386584878] [2020-10-14 18:35:18,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 18:35:18,807 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:35:18,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 18:35:18,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 18:35:18,807 INFO L87 Difference]: Start difference. First operand 5388 states and 7189 transitions. Second operand 3 states. [2020-10-14 18:35:19,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:35:19,043 INFO L93 Difference]: Finished difference Result 10705 states and 14247 transitions. [2020-10-14 18:35:19,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 18:35:19,044 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 505 [2020-10-14 18:35:19,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:35:19,049 INFO L225 Difference]: With dead ends: 10705 [2020-10-14 18:35:19,049 INFO L226 Difference]: Without dead ends: 5404 [2020-10-14 18:35:19,053 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 [2020-10-14 18:35:19,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5404 states. [2020-10-14 18:35:19,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5404 to 5380. [2020-10-14 18:35:19,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5380 states. [2020-10-14 18:35:19,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5380 states to 5380 states and 7164 transitions. [2020-10-14 18:35:19,134 INFO L78 Accepts]: Start accepts. Automaton has 5380 states and 7164 transitions. Word has length 505 [2020-10-14 18:35:19,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:35:19,135 INFO L479 AbstractCegarLoop]: Abstraction has 5380 states and 7164 transitions. [2020-10-14 18:35:19,135 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 18:35:19,135 INFO L276 IsEmpty]: Start isEmpty. Operand 5380 states and 7164 transitions. [2020-10-14 18:35:19,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 577 [2020-10-14 18:35:19,141 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:35:19,141 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 16, 16, 15, 15, 14, 14, 13, 13, 13, 13, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:35:19,142 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-14 18:35:19,142 INFO L427 AbstractCegarLoop]: === Iteration 27 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:35:19,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:35:19,142 INFO L82 PathProgramCache]: Analyzing trace with hash 938479941, now seen corresponding path program 1 times [2020-10-14 18:35:19,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:35:19,143 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [445950793] [2020-10-14 18:35:19,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:35:19,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:35:19,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:19,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:19,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:19,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:19,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:35:19,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 584 [2020-10-14 18:35:19,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 18:35:19,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 355 [2020-10-14 18:35:19,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:35:19,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:35:19,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:35:19,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 341 [2020-10-14 18:35:19,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 18:35:19,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:35:19,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:35:19,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:35:19,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:19,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:35:19,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:35:19,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:35:19,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:35:19,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:35:19,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:35:19,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:35:19,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:35:19,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:35:19,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:35:19,780 INFO L134 CoverageAnalysis]: Checked inductivity of 3611 backedges. 2023 proven. 0 refuted. 0 times theorem prover too weak. 1588 trivial. 0 not checked. [2020-10-14 18:35:19,781 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [445950793] [2020-10-14 18:35:19,781 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:35:19,781 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 18:35:19,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084941165] [2020-10-14 18:35:19,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 18:35:19,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:35:19,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 18:35:19,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 18:35:19,782 INFO L87 Difference]: Start difference. First operand 5380 states and 7164 transitions. Second operand 3 states. [2020-10-14 18:35:20,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:35:20,020 INFO L93 Difference]: Finished difference Result 10092 states and 13448 transitions. [2020-10-14 18:35:20,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 18:35:20,021 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 576 [2020-10-14 18:35:20,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:35:20,026 INFO L225 Difference]: With dead ends: 10092 [2020-10-14 18:35:20,026 INFO L226 Difference]: Without dead ends: 4690 [2020-10-14 18:35:20,031 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 [2020-10-14 18:35:20,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4690 states. [2020-10-14 18:35:20,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4690 to 4198. [2020-10-14 18:35:20,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4198 states. [2020-10-14 18:35:20,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4198 states to 4198 states and 5476 transitions. [2020-10-14 18:35:20,100 INFO L78 Accepts]: Start accepts. Automaton has 4198 states and 5476 transitions. Word has length 576 [2020-10-14 18:35:20,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:35:20,101 INFO L479 AbstractCegarLoop]: Abstraction has 4198 states and 5476 transitions. [2020-10-14 18:35:20,101 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 18:35:20,101 INFO L276 IsEmpty]: Start isEmpty. Operand 4198 states and 5476 transitions. [2020-10-14 18:35:20,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 578 [2020-10-14 18:35:20,106 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:35:20,106 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 16, 16, 15, 15, 14, 14, 13, 13, 13, 13, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:35:20,106 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-14 18:35:20,106 INFO L427 AbstractCegarLoop]: === Iteration 28 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:35:20,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:35:20,107 INFO L82 PathProgramCache]: Analyzing trace with hash 82562924, now seen corresponding path program 1 times [2020-10-14 18:35:20,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:35:20,107 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [718399357] [2020-10-14 18:35:20,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:35:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:35:20,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:20,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:20,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:20,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:20,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:35:20,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 585 [2020-10-14 18:35:20,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 18:35:20,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 579 [2020-10-14 18:35:20,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:35:20,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:35:20,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:35:20,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 342 [2020-10-14 18:35:20,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 18:35:20,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:35:20,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:35:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:35:20,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:20,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:35:20,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:35:20,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:35:20,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:35:20,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:35:20,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:35:20,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:35:20,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:35:20,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:35:20,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:35:20,887 INFO L134 CoverageAnalysis]: Checked inductivity of 3611 backedges. 2023 proven. 0 refuted. 0 times theorem prover too weak. 1588 trivial. 0 not checked. [2020-10-14 18:35:20,887 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [718399357] [2020-10-14 18:35:20,887 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:35:20,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 18:35:20,888 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538524476] [2020-10-14 18:35:20,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 18:35:20,889 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:35:20,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 18:35:20,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 18:35:20,889 INFO L87 Difference]: Start difference. First operand 4198 states and 5476 transitions. Second operand 3 states. [2020-10-14 18:35:21,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:35:21,123 INFO L93 Difference]: Finished difference Result 8016 states and 10492 transitions. [2020-10-14 18:35:21,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 18:35:21,123 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 577 [2020-10-14 18:35:21,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:35:21,127 INFO L225 Difference]: With dead ends: 8016 [2020-10-14 18:35:21,127 INFO L226 Difference]: Without dead ends: 3921 [2020-10-14 18:35:21,130 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 [2020-10-14 18:35:21,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3921 states. [2020-10-14 18:35:21,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3921 to 2859. [2020-10-14 18:35:21,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2859 states. [2020-10-14 18:35:21,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2859 states to 2859 states and 3774 transitions. [2020-10-14 18:35:21,183 INFO L78 Accepts]: Start accepts. Automaton has 2859 states and 3774 transitions. Word has length 577 [2020-10-14 18:35:21,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:35:21,184 INFO L479 AbstractCegarLoop]: Abstraction has 2859 states and 3774 transitions. [2020-10-14 18:35:21,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 18:35:21,184 INFO L276 IsEmpty]: Start isEmpty. Operand 2859 states and 3774 transitions. [2020-10-14 18:35:21,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2020-10-14 18:35:21,188 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:35:21,189 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 17, 17, 16, 16, 15, 15, 14, 14, 14, 14, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:35:21,189 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-14 18:35:21,189 INFO L427 AbstractCegarLoop]: === Iteration 29 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:35:21,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:35:21,189 INFO L82 PathProgramCache]: Analyzing trace with hash 577734987, now seen corresponding path program 1 times [2020-10-14 18:35:21,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:35:21,190 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [893839722] [2020-10-14 18:35:21,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:35:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:35:21,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:21,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:35:21,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 614 [2020-10-14 18:35:21,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:35:21,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 407 [2020-10-14 18:35:21,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:35:21,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:35:21,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 18:35:21,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 370 [2020-10-14 18:35:21,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-14 18:35:21,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:35:21,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:35:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:35:21,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:21,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:35:21,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:35:21,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:35:21,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:35:21,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:35:21,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:35:21,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:35:21,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:35:21,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:35:21,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:35:21,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4011 backedges. 2317 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2020-10-14 18:35:21,924 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [893839722] [2020-10-14 18:35:21,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:35:21,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-14 18:35:21,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953755538] [2020-10-14 18:35:21,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 18:35:21,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:35:21,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 18:35:21,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 18:35:21,926 INFO L87 Difference]: Start difference. First operand 2859 states and 3774 transitions. Second operand 4 states. [2020-10-14 18:35:22,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:35:22,248 INFO L93 Difference]: Finished difference Result 7039 states and 9292 transitions. [2020-10-14 18:35:22,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 18:35:22,248 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 606 [2020-10-14 18:35:22,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:35:22,252 INFO L225 Difference]: With dead ends: 7039 [2020-10-14 18:35:22,252 INFO L226 Difference]: Without dead ends: 4070 [2020-10-14 18:35:22,255 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 [2020-10-14 18:35:22,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4070 states. [2020-10-14 18:35:22,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4070 to 2859. [2020-10-14 18:35:22,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2859 states. [2020-10-14 18:35:22,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2859 states to 2859 states and 3774 transitions. [2020-10-14 18:35:22,312 INFO L78 Accepts]: Start accepts. Automaton has 2859 states and 3774 transitions. Word has length 606 [2020-10-14 18:35:22,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:35:22,313 INFO L479 AbstractCegarLoop]: Abstraction has 2859 states and 3774 transitions. [2020-10-14 18:35:22,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 18:35:22,313 INFO L276 IsEmpty]: Start isEmpty. Operand 2859 states and 3774 transitions. [2020-10-14 18:35:22,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 688 [2020-10-14 18:35:22,317 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:35:22,317 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 21, 21, 21, 19, 19, 17, 17, 15, 15, 13, 13, 13, 13, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 18:35:22,317 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-14 18:35:22,318 INFO L427 AbstractCegarLoop]: === Iteration 30 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:35:22,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:35:22,318 INFO L82 PathProgramCache]: Analyzing trace with hash 953493878, now seen corresponding path program 1 times [2020-10-14 18:35:22,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:35:22,318 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [459503070] [2020-10-14 18:35:22,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:35:22,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:35:22,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:22,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:22,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:35:22,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 695 [2020-10-14 18:35:22,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 18:35:22,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 330 [2020-10-14 18:35:22,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:35:22,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:35:22,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:35:22,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 333 [2020-10-14 18:35:22,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 18:35:22,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:35:22,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:35:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:35:22,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:22,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:35:22,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:35:22,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:35:22,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:35:22,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:35:22,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:35:22,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:35:22,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:35:22,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:35:22,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:35:22,914 INFO L134 CoverageAnalysis]: Checked inductivity of 5361 backedges. 2838 proven. 0 refuted. 0 times theorem prover too weak. 2523 trivial. 0 not checked. [2020-10-14 18:35:22,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [459503070] [2020-10-14 18:35:22,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:35:22,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 18:35:22,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014394716] [2020-10-14 18:35:22,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 18:35:22,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:35:22,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 18:35:22,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 18:35:22,917 INFO L87 Difference]: Start difference. First operand 2859 states and 3774 transitions. Second operand 3 states. [2020-10-14 18:35:23,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:35:23,069 INFO L93 Difference]: Finished difference Result 5641 states and 7394 transitions. [2020-10-14 18:35:23,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 18:35:23,069 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 687 [2020-10-14 18:35:23,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:35:23,072 INFO L225 Difference]: With dead ends: 5641 [2020-10-14 18:35:23,072 INFO L226 Difference]: Without dead ends: 2907 [2020-10-14 18:35:23,075 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 [2020-10-14 18:35:23,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2907 states. [2020-10-14 18:35:23,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2907 to 2907. [2020-10-14 18:35:23,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2907 states. [2020-10-14 18:35:23,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 3834 transitions. [2020-10-14 18:35:23,127 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 3834 transitions. Word has length 687 [2020-10-14 18:35:23,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:35:23,127 INFO L479 AbstractCegarLoop]: Abstraction has 2907 states and 3834 transitions. [2020-10-14 18:35:23,127 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 18:35:23,127 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 3834 transitions. [2020-10-14 18:35:23,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 688 [2020-10-14 18:35:23,131 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:35:23,132 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 24, 23, 23, 23, 23, 23, 23, 23, 23, 23, 21, 21, 21, 19, 19, 17, 17, 15, 15, 13, 13, 13, 13, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 18:35:23,132 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-14 18:35:23,132 INFO L427 AbstractCegarLoop]: === Iteration 31 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:35:23,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:35:23,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1191306506, now seen corresponding path program 1 times [2020-10-14 18:35:23,133 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:35:23,133 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1884194079] [2020-10-14 18:35:23,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:35:23,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:35:23,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:23,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:35:23,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 695 [2020-10-14 18:35:23,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:35:23,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-10-14 18:35:23,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:35:23,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:35:23,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:35:23,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 327 [2020-10-14 18:35:23,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 18:35:23,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:35:23,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:35:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:35:23,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:23,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:35:23,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:35:23,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:35:23,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:35:23,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:35:23,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:35:23,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:35:23,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:35:23,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:35:23,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:35:23,571 INFO L134 CoverageAnalysis]: Checked inductivity of 5384 backedges. 2914 proven. 0 refuted. 0 times theorem prover too weak. 2470 trivial. 0 not checked. [2020-10-14 18:35:23,572 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1884194079] [2020-10-14 18:35:23,572 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:35:23,572 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 18:35:23,572 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844830928] [2020-10-14 18:35:23,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 18:35:23,573 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:35:23,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 18:35:23,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 18:35:23,574 INFO L87 Difference]: Start difference. First operand 2907 states and 3834 transitions. Second operand 3 states. [2020-10-14 18:35:23,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:35:23,785 INFO L93 Difference]: Finished difference Result 5536 states and 7246 transitions. [2020-10-14 18:35:23,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 18:35:23,785 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 687 [2020-10-14 18:35:23,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:35:23,788 INFO L225 Difference]: With dead ends: 5536 [2020-10-14 18:35:23,788 INFO L226 Difference]: Without dead ends: 2748 [2020-10-14 18:35:23,791 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 [2020-10-14 18:35:23,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2748 states. [2020-10-14 18:35:23,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2748 to 2743. [2020-10-14 18:35:23,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2743 states. [2020-10-14 18:35:23,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2743 states to 2743 states and 3597 transitions. [2020-10-14 18:35:23,839 INFO L78 Accepts]: Start accepts. Automaton has 2743 states and 3597 transitions. Word has length 687 [2020-10-14 18:35:23,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:35:23,840 INFO L479 AbstractCegarLoop]: Abstraction has 2743 states and 3597 transitions. [2020-10-14 18:35:23,840 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 18:35:23,840 INFO L276 IsEmpty]: Start isEmpty. Operand 2743 states and 3597 transitions. [2020-10-14 18:35:23,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 717 [2020-10-14 18:35:23,844 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:35:23,845 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 23, 23, 22, 22, 22, 20, 20, 18, 18, 16, 16, 14, 14, 14, 14, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 18:35:23,845 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-14 18:35:23,845 INFO L427 AbstractCegarLoop]: === Iteration 32 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:35:23,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:35:23,845 INFO L82 PathProgramCache]: Analyzing trace with hash 775421205, now seen corresponding path program 1 times [2020-10-14 18:35:23,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:35:23,846 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [105028918] [2020-10-14 18:35:23,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:35:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:35:23,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:24,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:35:24,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 724 [2020-10-14 18:35:24,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:35:24,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-14 18:35:24,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:35:24,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:35:24,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:35:24,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 369 [2020-10-14 18:35:24,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 18:35:24,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:35:24,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:35:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:35:24,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:24,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:35:24,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:35:24,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:35:24,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:35:24,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:35:24,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:35:24,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:35:24,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:35:24,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:35:24,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:35:24,292 INFO L134 CoverageAnalysis]: Checked inductivity of 5825 backedges. 3230 proven. 0 refuted. 0 times theorem prover too weak. 2595 trivial. 0 not checked. [2020-10-14 18:35:24,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [105028918] [2020-10-14 18:35:24,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:35:24,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 18:35:24,293 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705523825] [2020-10-14 18:35:24,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 18:35:24,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:35:24,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 18:35:24,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 18:35:24,295 INFO L87 Difference]: Start difference. First operand 2743 states and 3597 transitions. Second operand 3 states. [2020-10-14 18:35:24,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:35:24,493 INFO L93 Difference]: Finished difference Result 5364 states and 6984 transitions. [2020-10-14 18:35:24,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 18:35:24,493 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 716 [2020-10-14 18:35:24,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:35:24,497 INFO L225 Difference]: With dead ends: 5364 [2020-10-14 18:35:24,498 INFO L226 Difference]: Without dead ends: 2744 [2020-10-14 18:35:24,501 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 [2020-10-14 18:35:24,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2744 states. [2020-10-14 18:35:24,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2744 to 2743. [2020-10-14 18:35:24,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2743 states. [2020-10-14 18:35:24,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2743 states to 2743 states and 3571 transitions. [2020-10-14 18:35:24,651 INFO L78 Accepts]: Start accepts. Automaton has 2743 states and 3571 transitions. Word has length 716 [2020-10-14 18:35:24,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:35:24,652 INFO L479 AbstractCegarLoop]: Abstraction has 2743 states and 3571 transitions. [2020-10-14 18:35:24,652 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 18:35:24,652 INFO L276 IsEmpty]: Start isEmpty. Operand 2743 states and 3571 transitions. [2020-10-14 18:35:24,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 732 [2020-10-14 18:35:24,658 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:35:24,659 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 24, 24, 24, 24, 24, 24, 24, 24, 22, 22, 22, 20, 20, 18, 18, 16, 16, 14, 14, 14, 14, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 18:35:24,659 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-10-14 18:35:24,659 INFO L427 AbstractCegarLoop]: === Iteration 33 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:35:24,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:35:24,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1839697068, now seen corresponding path program 1 times [2020-10-14 18:35:24,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:35:24,660 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [186435080] [2020-10-14 18:35:24,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:35:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:35:24,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:24,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:35:24,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 739 [2020-10-14 18:35:24,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:35:24,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-10-14 18:35:24,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:35:24,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:35:24,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:35:24,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 369 [2020-10-14 18:35:24,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 18:35:24,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:35:24,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:35:24,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:35:24,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:35:24,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:35:24,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 18:35:24,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:35:24,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:35:24,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:35:24,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:35:24,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:35:24,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:35:24,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:35:24,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:35:25,114 INFO L134 CoverageAnalysis]: Checked inductivity of 5991 backedges. 3253 proven. 0 refuted. 0 times theorem prover too weak. 2738 trivial. 0 not checked. [2020-10-14 18:35:25,115 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [186435080] [2020-10-14 18:35:25,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:35:25,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 18:35:25,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622356393] [2020-10-14 18:35:25,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 18:35:25,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:35:25,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 18:35:25,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 18:35:25,116 INFO L87 Difference]: Start difference. First operand 2743 states and 3571 transitions. Second operand 3 states. [2020-10-14 18:35:25,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:35:25,314 INFO L93 Difference]: Finished difference Result 4257 states and 5504 transitions. [2020-10-14 18:35:25,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 18:35:25,314 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 731 [2020-10-14 18:35:25,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:35:25,315 INFO L225 Difference]: With dead ends: 4257 [2020-10-14 18:35:25,315 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 18:35:25,323 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 [2020-10-14 18:35:25,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 18:35:25,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 18:35:25,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 18:35:25,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 18:35:25,325 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 731 [2020-10-14 18:35:25,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:35:25,325 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 18:35:25,325 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 18:35:25,325 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 18:35:25,325 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 18:35:25,327 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-10-14 18:35:25,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 18:35:26,129 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 204 [2020-10-14 18:35:26,240 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 89 [2020-10-14 18:35:26,420 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 156 [2020-10-14 18:35:26,616 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 160 [2020-10-14 18:35:26,980 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 295 [2020-10-14 18:35:27,188 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 204 [2020-10-14 18:35:27,457 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 185 [2020-10-14 18:35:27,701 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 178 [2020-10-14 18:35:28,809 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 875 DAG size of output: 457 [2020-10-14 18:35:30,064 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 874 DAG size of output: 515 [2020-10-14 18:35:30,185 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 209 [2020-10-14 18:35:30,427 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 295 [2020-10-14 18:35:31,107 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 24 [2020-10-14 18:35:31,261 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 34 [2020-10-14 18:35:31,715 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 25 [2020-10-14 18:35:32,377 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 36 [2020-10-14 18:35:33,171 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 19 [2020-10-14 18:35:33,767 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 24 [2020-10-14 18:35:34,054 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 31 [2020-10-14 18:35:34,740 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-10-14 18:35:35,252 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2020-10-14 18:35:35,768 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 27 [2020-10-14 18:35:38,507 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 440 DAG size of output: 69 [2020-10-14 18:35:38,740 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 32 [2020-10-14 18:35:39,229 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 27 [2020-10-14 18:35:39,948 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 26 [2020-10-14 18:35:40,237 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 40 [2020-10-14 18:35:43,475 WARN L193 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 493 DAG size of output: 75 [2020-10-14 18:35:44,052 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 19 [2020-10-14 18:35:44,159 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 16 [2020-10-14 18:35:44,365 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 32 [2020-10-14 18:35:45,114 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 19 [2020-10-14 18:35:45,737 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 24 [2020-10-14 18:35:45,742 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-10-14 18:35:45,742 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 18:35:45,742 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 18:35:45,742 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-14 18:35:45,742 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 18:35:45,742 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 18:35:45,743 INFO L271 CegarLoopResult]: At program point L686(line 686) the Hoare annotation is: true [2020-10-14 18:35:45,743 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 679 690) the Hoare annotation is: true [2020-10-14 18:35:45,743 INFO L268 CegarLoopResult]: For program point L686-1(line 686) no Hoare annotation was computed. [2020-10-14 18:35:45,743 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 679 690) no Hoare annotation was computed. [2020-10-14 18:35:45,743 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 679 690) no Hoare annotation was computed. [2020-10-14 18:35:45,744 INFO L268 CegarLoopResult]: For program point L630(lines 630 654) no Hoare annotation was computed. [2020-10-14 18:35:45,744 INFO L268 CegarLoopResult]: For program point L564(lines 564 568) no Hoare annotation was computed. [2020-10-14 18:35:45,744 INFO L268 CegarLoopResult]: For program point L498(lines 498 502) no Hoare annotation was computed. [2020-10-14 18:35:45,744 INFO L268 CegarLoopResult]: For program point L564-2(lines 564 568) no Hoare annotation was computed. [2020-10-14 18:35:45,745 INFO L268 CegarLoopResult]: For program point L498-2(lines 209 590) no Hoare annotation was computed. [2020-10-14 18:35:45,745 INFO L268 CegarLoopResult]: For program point L201(lines 201 595) no Hoare annotation was computed. [2020-10-14 18:35:45,745 INFO L268 CegarLoopResult]: For program point L168(lines 168 606) no Hoare annotation was computed. [2020-10-14 18:35:45,745 INFO L268 CegarLoopResult]: For program point L135(lines 135 617) no Hoare annotation was computed. [2020-10-14 18:35:45,745 INFO L268 CegarLoopResult]: For program point L102(lines 102 628) no Hoare annotation was computed. [2020-10-14 18:35:45,745 INFO L268 CegarLoopResult]: For program point L664(lines 664 668) no Hoare annotation was computed. [2020-10-14 18:35:45,745 INFO L268 CegarLoopResult]: For program point L631(lines 631 640) no Hoare annotation was computed. [2020-10-14 18:35:45,745 INFO L268 CegarLoopResult]: For program point L664-2(lines 664 668) no Hoare annotation was computed. [2020-10-14 18:35:45,746 INFO L268 CegarLoopResult]: For program point L631-2(lines 630 652) no Hoare annotation was computed. [2020-10-14 18:35:45,746 INFO L268 CegarLoopResult]: For program point L268(lines 268 272) no Hoare annotation was computed. [2020-10-14 18:35:45,746 INFO L264 CegarLoopResult]: At program point L202(lines 198 596) the Hoare annotation is: (let ((.cse2 (<= ssl3_accept_~blastFlag~0 3)) (.cse1 (<= ssl3_accept_~s__state~0 8672)) (.cse0 (<= 8672 ssl3_accept_~s__state~0))) (or (and (<= ssl3_accept_~blastFlag~0 0) .cse0) (and .cse1 .cse2 .cse0 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and (not (= ssl3_accept_~s__hit~0 0)) .cse2 .cse0) (and .cse1 (<= ssl3_accept_~blastFlag~0 1) .cse0))) [2020-10-14 18:35:45,746 INFO L264 CegarLoopResult]: At program point L103(lines 102 628) the Hoare annotation is: (or (and (<= ssl3_accept_~blastFlag~0 0) (= 12292 ssl3_accept_~s__state~0)) (and (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3) (<= 8672 ssl3_accept_~s__state~0))) [2020-10-14 18:35:45,746 INFO L268 CegarLoopResult]: For program point L302(lines 302 306) no Hoare annotation was computed. [2020-10-14 18:35:45,746 INFO L268 CegarLoopResult]: For program point L302-2(lines 209 590) no Hoare annotation was computed. [2020-10-14 18:35:45,747 INFO L268 CegarLoopResult]: For program point L633(lines 633 637) no Hoare annotation was computed. [2020-10-14 18:35:45,747 INFO L268 CegarLoopResult]: For program point L204(lines 204 594) no Hoare annotation was computed. [2020-10-14 18:35:45,747 INFO L268 CegarLoopResult]: For program point L171(lines 171 605) no Hoare annotation was computed. [2020-10-14 18:35:45,747 INFO L268 CegarLoopResult]: For program point L138(lines 138 616) no Hoare annotation was computed. [2020-10-14 18:35:45,747 INFO L268 CegarLoopResult]: For program point L105(lines 105 627) no Hoare annotation was computed. [2020-10-14 18:35:45,747 INFO L268 CegarLoopResult]: For program point L337(lines 337 341) no Hoare annotation was computed. [2020-10-14 18:35:45,747 INFO L268 CegarLoopResult]: For program point L337-2(lines 209 590) no Hoare annotation was computed. [2020-10-14 18:35:45,747 INFO L271 CegarLoopResult]: At program point L205(lines 204 594) the Hoare annotation is: true [2020-10-14 18:35:45,748 INFO L264 CegarLoopResult]: At program point L172(lines 168 606) the Hoare annotation is: (let ((.cse0 (<= 8512 ssl3_accept_~s__state~0)) (.cse1 (or (not (= ssl3_accept_~s__state~0 8544)) (= 8544 ssl3_accept_~s__s3__tmp__next_state___0~0))) (.cse2 (<= ssl3_accept_~s__state~0 8608))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 2) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse2) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 0) .cse2) (and (<= ssl3_accept_~s__state~0 8656) (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)))) [2020-10-14 18:35:45,748 INFO L264 CegarLoopResult]: At program point L139(lines 135 617) the Hoare annotation is: (let ((.cse0 (<= 8480 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~s__state~0 8512))) (or (and (<= ssl3_accept_~s__state~0 8656) (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 2) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)))) [2020-10-14 18:35:45,748 INFO L268 CegarLoopResult]: For program point L73(lines 73 81) no Hoare annotation was computed. [2020-10-14 18:35:45,748 INFO L268 CegarLoopResult]: For program point L437(lines 437 449) no Hoare annotation was computed. [2020-10-14 18:35:45,748 INFO L264 CegarLoopResult]: At program point L404(lines 395 415) the Hoare annotation is: (or (and (<= ssl3_accept_~s__state~0 8656) (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (and (<= ssl3_accept_~s__state~0 8560) (<= 8512 ssl3_accept_~s__state~0) (<= ssl3_accept_~blastFlag~0 2))) [2020-10-14 18:35:45,748 INFO L268 CegarLoopResult]: For program point L437-2(lines 437 449) no Hoare annotation was computed. [2020-10-14 18:35:45,748 INFO L268 CegarLoopResult]: For program point L174(lines 174 604) no Hoare annotation was computed. [2020-10-14 18:35:45,749 INFO L268 CegarLoopResult]: For program point L141(lines 141 615) no Hoare annotation was computed. [2020-10-14 18:35:45,749 INFO L268 CegarLoopResult]: For program point L108(lines 108 626) no Hoare annotation was computed. [2020-10-14 18:35:45,749 INFO L271 CegarLoopResult]: At program point L208(lines 207 593) the Hoare annotation is: true [2020-10-14 18:35:45,749 INFO L268 CegarLoopResult]: For program point L76(lines 76 80) no Hoare annotation was computed. [2020-10-14 18:35:45,749 INFO L268 CegarLoopResult]: For program point L76-2(lines 73 81) no Hoare annotation was computed. [2020-10-14 18:35:45,749 INFO L271 CegarLoopResult]: At program point ssl3_acceptENTRY(lines 10 678) the Hoare annotation is: true [2020-10-14 18:35:45,749 INFO L268 CegarLoopResult]: For program point L539(lines 539 544) no Hoare annotation was computed. [2020-10-14 18:35:45,749 INFO L268 CegarLoopResult]: For program point L440(lines 440 445) no Hoare annotation was computed. [2020-10-14 18:35:45,750 INFO L268 CegarLoopResult]: For program point L407(lines 407 411) no Hoare annotation was computed. [2020-10-14 18:35:45,750 INFO L268 CegarLoopResult]: For program point L242(lines 242 247) no Hoare annotation was computed. [2020-10-14 18:35:45,750 INFO L268 CegarLoopResult]: For program point L177(lines 177 603) no Hoare annotation was computed. [2020-10-14 18:35:45,750 INFO L268 CegarLoopResult]: For program point L144(lines 144 614) no Hoare annotation was computed. [2020-10-14 18:35:45,750 INFO L268 CegarLoopResult]: For program point L111(lines 111 625) no Hoare annotation was computed. [2020-10-14 18:35:45,750 INFO L268 CegarLoopResult]: For program point L574(lines 574 584) no Hoare annotation was computed. [2020-10-14 18:35:45,750 INFO L268 CegarLoopResult]: For program point L574-1(lines 574 584) no Hoare annotation was computed. [2020-10-14 18:35:45,750 INFO L268 CegarLoopResult]: For program point L508(lines 508 512) no Hoare annotation was computed. [2020-10-14 18:35:45,751 INFO L268 CegarLoopResult]: For program point L508-2(lines 508 512) no Hoare annotation was computed. [2020-10-14 18:35:45,751 INFO L264 CegarLoopResult]: At program point L178(lines 174 604) the Hoare annotation is: (let ((.cse0 (<= 8512 ssl3_accept_~s__state~0)) (.cse1 (or (not (= ssl3_accept_~s__state~0 8544)) (= 8544 ssl3_accept_~s__s3__tmp__next_state___0~0))) (.cse2 (<= ssl3_accept_~s__state~0 8608))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 2) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse2) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 0) .cse2) (and (<= ssl3_accept_~s__state~0 8656) (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)))) [2020-10-14 18:35:45,751 INFO L264 CegarLoopResult]: At program point L145(lines 141 615) the Hoare annotation is: (or (and (<= 8512 ssl3_accept_~s__state~0) (<= ssl3_accept_~s__state~0 8528) (<= ssl3_accept_~blastFlag~0 2)) (and (<= ssl3_accept_~s__state~0 8656) (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3))) [2020-10-14 18:35:45,751 INFO L268 CegarLoopResult]: For program point L476(lines 476 480) no Hoare annotation was computed. [2020-10-14 18:35:45,751 INFO L264 CegarLoopResult]: At program point L212(lines 105 627) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~blastFlag~0 0)) (.cse4 (<= ssl3_accept_~s__state~0 8448)) (.cse2 (not (= ssl3_accept_~s__hit~0 0))) (.cse3 (<= ssl3_accept_~blastFlag~0 3)) (.cse1 (<= 8672 ssl3_accept_~s__state~0))) (or (and .cse0 .cse1) (and .cse2 (<= ssl3_accept_~s__state~0 8480) .cse3) (and .cse4 .cse0) (and (<= ssl3_accept_~blastFlag~0 2) .cse4 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse2 .cse3 .cse1))) [2020-10-14 18:35:45,751 INFO L271 CegarLoopResult]: At program point L675(lines 65 677) the Hoare annotation is: true [2020-10-14 18:35:45,751 INFO L268 CegarLoopResult]: For program point L642(lines 642 648) no Hoare annotation was computed. [2020-10-14 18:35:45,752 INFO L268 CegarLoopResult]: For program point L345(lines 345 377) no Hoare annotation was computed. [2020-10-14 18:35:45,752 INFO L268 CegarLoopResult]: For program point L312(lines 312 316) no Hoare annotation was computed. [2020-10-14 18:35:45,752 INFO L268 CegarLoopResult]: For program point L312-2(lines 312 316) no Hoare annotation was computed. [2020-10-14 18:35:45,752 INFO L268 CegarLoopResult]: For program point L180(lines 180 602) no Hoare annotation was computed. [2020-10-14 18:35:45,752 INFO L268 CegarLoopResult]: For program point L147(lines 147 613) no Hoare annotation was computed. [2020-10-14 18:35:45,752 INFO L268 CegarLoopResult]: For program point L114(lines 114 624) no Hoare annotation was computed. [2020-10-14 18:35:45,752 INFO L268 CegarLoopResult]: For program point L577(lines 577 581) no Hoare annotation was computed. [2020-10-14 18:35:45,752 INFO L268 CegarLoopResult]: For program point L83(lines 83 91) no Hoare annotation was computed. [2020-10-14 18:35:45,752 INFO L268 CegarLoopResult]: For program point L83-1(lines 65 677) no Hoare annotation was computed. [2020-10-14 18:35:45,752 INFO L268 CegarLoopResult]: For program point L348(lines 348 376) no Hoare annotation was computed. [2020-10-14 18:35:45,753 INFO L268 CegarLoopResult]: For program point L348-1(lines 348 376) no Hoare annotation was computed. [2020-10-14 18:35:45,753 INFO L268 CegarLoopResult]: For program point L249(lines 249 262) no Hoare annotation was computed. [2020-10-14 18:35:45,753 INFO L268 CegarLoopResult]: For program point L183(lines 183 601) no Hoare annotation was computed. [2020-10-14 18:35:45,753 INFO L268 CegarLoopResult]: For program point L150(lines 150 612) no Hoare annotation was computed. [2020-10-14 18:35:45,753 INFO L268 CegarLoopResult]: For program point L117(lines 117 623) no Hoare annotation was computed. [2020-10-14 18:35:45,753 INFO L268 CegarLoopResult]: For program point L84(lines 84 88) no Hoare annotation was computed. [2020-10-14 18:35:45,753 INFO L268 CegarLoopResult]: For program point L349(lines 349 373) no Hoare annotation was computed. [2020-10-14 18:35:45,753 INFO L268 CegarLoopResult]: For program point L217(lines 217 221) no Hoare annotation was computed. [2020-10-14 18:35:45,754 INFO L264 CegarLoopResult]: At program point L184(lines 180 602) the Hoare annotation is: (let ((.cse0 (<= 8512 ssl3_accept_~s__state~0)) (.cse1 (or (not (= ssl3_accept_~s__state~0 8544)) (= 8544 ssl3_accept_~s__s3__tmp__next_state___0~0))) (.cse2 (<= ssl3_accept_~s__state~0 8656))) (or (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 2) (<= ssl3_accept_~s__state~0 8608) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse2 .cse0 (not (= ssl3_accept_~s__state~0 8640)) (not (= ssl3_accept_~s__state~0 8641)) .cse1 (<= ssl3_accept_~blastFlag~0 0)) (and .cse2 (not (= ssl3_accept_~s__hit~0 0))))) [2020-10-14 18:35:45,754 INFO L264 CegarLoopResult]: At program point L151(lines 147 613) the Hoare annotation is: (or (and (<= ssl3_accept_~s__state~0 8544) (<= 8512 ssl3_accept_~s__state~0) (<= ssl3_accept_~blastFlag~0 2) (or (not (= ssl3_accept_~s__state~0 8544)) (= 8544 ssl3_accept_~s__s3__tmp__next_state___0~0))) (and (<= ssl3_accept_~s__state~0 8656) (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3))) [2020-10-14 18:35:45,754 INFO L268 CegarLoopResult]: For program point L217-2(lines 209 590) no Hoare annotation was computed. [2020-10-14 18:35:45,754 INFO L268 CegarLoopResult]: For program point L251(lines 251 256) no Hoare annotation was computed. [2020-10-14 18:35:45,754 INFO L268 CegarLoopResult]: For program point L549(lines 549 557) no Hoare annotation was computed. [2020-10-14 18:35:45,754 INFO L268 CegarLoopResult]: For program point L285(lines 285 289) no Hoare annotation was computed. [2020-10-14 18:35:45,754 INFO L268 CegarLoopResult]: For program point L285-2(lines 209 590) no Hoare annotation was computed. [2020-10-14 18:35:45,754 INFO L268 CegarLoopResult]: For program point L186(lines 186 600) no Hoare annotation was computed. [2020-10-14 18:35:45,755 INFO L268 CegarLoopResult]: For program point L153(lines 153 611) no Hoare annotation was computed. [2020-10-14 18:35:45,755 INFO L268 CegarLoopResult]: For program point L120(lines 120 622) no Hoare annotation was computed. [2020-10-14 18:35:45,755 INFO L268 CegarLoopResult]: For program point L385(lines 385 416) no Hoare annotation was computed. [2020-10-14 18:35:45,755 INFO L268 CegarLoopResult]: For program point L352(lines 352 372) no Hoare annotation was computed. [2020-10-14 18:35:45,755 INFO L264 CegarLoopResult]: At program point L121(lines 117 623) the Hoare annotation is: (let ((.cse1 (<= 8480 ssl3_accept_~s__state~0)) (.cse0 (<= ssl3_accept_~s__state~0 8496))) (or (and .cse0 (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (and .cse1 (<= ssl3_accept_~blastFlag~0 1) .cse0) (and .cse1 .cse0 (<= ssl3_accept_~blastFlag~0 2) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)))) [2020-10-14 18:35:45,755 INFO L268 CegarLoopResult]: For program point L386(lines 386 392) no Hoare annotation was computed. [2020-10-14 18:35:45,755 INFO L268 CegarLoopResult]: For program point L552(lines 552 556) no Hoare annotation was computed. [2020-10-14 18:35:45,756 INFO L268 CegarLoopResult]: For program point ssl3_acceptEXIT(lines 10 678) no Hoare annotation was computed. [2020-10-14 18:35:45,756 INFO L268 CegarLoopResult]: For program point L519(lines 519 524) no Hoare annotation was computed. [2020-10-14 18:35:45,756 INFO L268 CegarLoopResult]: For program point L354(lines 354 358) no Hoare annotation was computed. [2020-10-14 18:35:45,756 INFO L268 CegarLoopResult]: For program point L321-1(lines 321 330) no Hoare annotation was computed. [2020-10-14 18:35:45,756 INFO L268 CegarLoopResult]: For program point L354-2(lines 352 370) no Hoare annotation was computed. [2020-10-14 18:35:45,756 INFO L268 CegarLoopResult]: For program point L189(lines 189 599) no Hoare annotation was computed. [2020-10-14 18:35:45,756 INFO L268 CegarLoopResult]: For program point L156(lines 156 610) no Hoare annotation was computed. [2020-10-14 18:35:45,756 INFO L268 CegarLoopResult]: For program point L123(lines 123 621) no Hoare annotation was computed. [2020-10-14 18:35:45,756 INFO L264 CegarLoopResult]: At program point L553(lines 65 677) the Hoare annotation is: false [2020-10-14 18:35:45,757 INFO L268 CegarLoopResult]: For program point L487(lines 487 491) no Hoare annotation was computed. [2020-10-14 18:35:45,757 INFO L264 CegarLoopResult]: At program point L190(lines 186 600) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8656)) (.cse1 (<= 8512 ssl3_accept_~s__state~0)) (.cse2 (or (not (= ssl3_accept_~s__state~0 8544)) (= 8544 ssl3_accept_~s__s3__tmp__next_state___0~0)))) (or (and .cse0 (not (= ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 (not (= ssl3_accept_~s__state~0 8641)) .cse2 (<= ssl3_accept_~blastFlag~0 2) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse0 .cse1 .cse2 (<= ssl3_accept_~blastFlag~0 0)))) [2020-10-14 18:35:45,757 INFO L264 CegarLoopResult]: At program point L157(lines 153 611) the Hoare annotation is: (or (and (<= ssl3_accept_~s__state~0 8656) (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (and (<= ssl3_accept_~s__state~0 8560) (<= 8512 ssl3_accept_~s__state~0) (<= ssl3_accept_~blastFlag~0 2))) [2020-10-14 18:35:45,757 INFO L264 CegarLoopResult]: At program point L124(lines 123 621) the Hoare annotation is: (<= ssl3_accept_~s__state~0 8496) [2020-10-14 18:35:45,757 INFO L268 CegarLoopResult]: For program point L455(lines 455 459) no Hoare annotation was computed. [2020-10-14 18:35:45,757 INFO L268 CegarLoopResult]: For program point ssl3_acceptFINAL(lines 10 678) no Hoare annotation was computed. [2020-10-14 18:35:45,757 INFO L268 CegarLoopResult]: For program point L192(lines 192 598) no Hoare annotation was computed. [2020-10-14 18:35:45,758 INFO L268 CegarLoopResult]: For program point L159(lines 159 609) no Hoare annotation was computed. [2020-10-14 18:35:45,758 INFO L268 CegarLoopResult]: For program point L126(lines 126 620) no Hoare annotation was computed. [2020-10-14 18:35:45,758 INFO L268 CegarLoopResult]: For program point L325(lines 325 329) no Hoare annotation was computed. [2020-10-14 18:35:45,758 INFO L264 CegarLoopResult]: At program point L591(lines 99 659) the Hoare annotation is: (let ((.cse8 (<= 8480 ssl3_accept_~s__state~0)) (.cse9 (<= ssl3_accept_~s__state~0 8496)) (.cse14 (<= 8464 ssl3_accept_~s__state~0)) (.cse15 (<= ssl3_accept_~s__state~0 8480)) (.cse5 (<= ssl3_accept_~s__state~0 8608)) (.cse11 (<= ssl3_accept_~s__state~0 8672)) (.cse10 (<= ssl3_accept_~blastFlag~0 0)) (.cse6 (= ssl3_accept_~s__state~0 8640)) (.cse4 (<= 8512 ssl3_accept_~s__state~0)) (.cse0 (<= 8448 ssl3_accept_~s__state~0)) (.cse2 (<= ssl3_accept_~s__state~0 8448)) (.cse17 (= ssl3_accept_~s__state~0 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse16 (= ssl3_accept_~s__state~0 8656)) (.cse3 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse7 (not (= ssl3_accept_~s__hit~0 0))) (.cse12 (<= ssl3_accept_~blastFlag~0 3)) (.cse13 (<= 8672 ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse3 .cse5) (and .cse6 .cse7) (and .cse8 (<= ssl3_accept_~blastFlag~0 1) .cse9) (and .cse6 .cse10) (and .cse11 .cse12 .cse13 .cse3) (and .cse14 .cse15 .cse1 .cse3) (and .cse8 .cse9 .cse1 .cse3) (and .cse16 .cse10) (and .cse14 .cse15 .cse10) (and .cse1 .cse17 .cse3) (and .cse4 .cse10 .cse5) (and .cse11 .cse10 .cse13) (<= ssl3_accept_~s__state~0 3) (and (= ssl3_accept_~s__state~0 8482) .cse17) (and .cse17 .cse10) (and .cse6 .cse1 .cse3) (and (<= ssl3_accept_~s__state~0 8656) .cse7 .cse12) (and .cse7 .cse17 (= 8641 ssl3_accept_~s__s3__tmp__next_state___0~0)) (and (<= ssl3_accept_~s__state~0 8560) .cse4 .cse1) (and .cse0 (or (and (= 8482 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse12) (and .cse12 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3))) .cse2) (and .cse7 .cse17 .cse12) (and .cse1 .cse16 .cse3) (and .cse7 .cse12 .cse13))) [2020-10-14 18:35:45,758 INFO L268 CegarLoopResult]: For program point L558(lines 558 562) no Hoare annotation was computed. [2020-10-14 18:35:45,758 INFO L268 CegarLoopResult]: For program point L426(lines 426 430) no Hoare annotation was computed. [2020-10-14 18:35:45,759 INFO L264 CegarLoopResult]: At program point L360(lines 342 378) the Hoare annotation is: (or (and (<= ssl3_accept_~s__state~0 8544) (<= 8512 ssl3_accept_~s__state~0) (<= ssl3_accept_~blastFlag~0 2) (or (not (= ssl3_accept_~s__state~0 8544)) (= 8544 ssl3_accept_~s__s3__tmp__next_state___0~0))) (and (<= ssl3_accept_~s__state~0 8656) (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3))) [2020-10-14 18:35:45,759 INFO L268 CegarLoopResult]: For program point L195(lines 195 597) no Hoare annotation was computed. [2020-10-14 18:35:45,759 INFO L268 CegarLoopResult]: For program point L162(lines 162 608) no Hoare annotation was computed. [2020-10-14 18:35:45,759 INFO L268 CegarLoopResult]: For program point L129(lines 129 619) no Hoare annotation was computed. [2020-10-14 18:35:45,759 INFO L268 CegarLoopResult]: For program point L526(lines 526 530) no Hoare annotation was computed. [2020-10-14 18:35:45,759 INFO L268 CegarLoopResult]: For program point L460(lines 460 471) no Hoare annotation was computed. [2020-10-14 18:35:45,759 INFO L268 CegarLoopResult]: For program point L526-2(lines 209 590) no Hoare annotation was computed. [2020-10-14 18:35:45,759 INFO L264 CegarLoopResult]: At program point L394(lines 385 416) the Hoare annotation is: (or (and (<= ssl3_accept_~s__state~0 8656) (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (and (<= ssl3_accept_~s__state~0 8560) (<= 8512 ssl3_accept_~s__state~0) (<= ssl3_accept_~blastFlag~0 2))) [2020-10-14 18:35:45,760 INFO L268 CegarLoopResult]: For program point L229(lines 229 240) no Hoare annotation was computed. [2020-10-14 18:35:45,760 INFO L264 CegarLoopResult]: At program point L196(lines 192 598) the Hoare annotation is: (let ((.cse0 (<= 8512 ssl3_accept_~s__state~0)) (.cse1 (not (= ssl3_accept_~s__state~0 8640)))) (or (and (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (and .cse0 (let ((.cse2 (<= ssl3_accept_~blastFlag~0 2))) (or (and .cse1 .cse2 (= ssl3_accept_~s__state~0 ssl3_accept_~s__s3__tmp__next_state___0~0)) (and .cse1 .cse2 (= ssl3_accept_~s__state~0 8656)))) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and (<= ssl3_accept_~s__state~0 8672) .cse0 .cse1 (not (= ssl3_accept_~s__state~0 8544)) (not (= ssl3_accept_~s__state~0 8641)) (<= ssl3_accept_~blastFlag~0 0)))) [2020-10-14 18:35:45,760 INFO L264 CegarLoopResult]: At program point L163(lines 159 609) the Hoare annotation is: (or (and (<= ssl3_accept_~s__state~0 8576) (<= 8512 ssl3_accept_~s__state~0) (or (not (= ssl3_accept_~s__state~0 8544)) (= 8544 ssl3_accept_~s__s3__tmp__next_state___0~0)) (<= ssl3_accept_~blastFlag~0 2)) (and (<= ssl3_accept_~s__state~0 8656) (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3))) [2020-10-14 18:35:45,760 INFO L268 CegarLoopResult]: For program point L229-2(lines 229 240) no Hoare annotation was computed. [2020-10-14 18:35:45,760 INFO L268 CegarLoopResult]: For program point L362(lines 362 366) no Hoare annotation was computed. [2020-10-14 18:35:45,760 INFO L268 CegarLoopResult]: For program point ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION(line 671) no Hoare annotation was computed. [2020-10-14 18:35:45,760 INFO L271 CegarLoopResult]: At program point L660(lines 98 661) the Hoare annotation is: true [2020-10-14 18:35:45,760 INFO L268 CegarLoopResult]: For program point L396(lines 396 402) no Hoare annotation was computed. [2020-10-14 18:35:45,761 INFO L268 CegarLoopResult]: For program point L231(lines 231 236) no Hoare annotation was computed. [2020-10-14 18:35:45,761 INFO L268 CegarLoopResult]: For program point L198(lines 198 596) no Hoare annotation was computed. [2020-10-14 18:35:45,761 INFO L268 CegarLoopResult]: For program point L165(lines 165 607) no Hoare annotation was computed. [2020-10-14 18:35:45,761 INFO L268 CegarLoopResult]: For program point L132(lines 132 618) no Hoare annotation was computed. [2020-10-14 18:35:45,761 INFO L264 CegarLoopResult]: At program point L99-2(lines 99 659) the Hoare annotation is: (let ((.cse7 (<= 8480 ssl3_accept_~s__state~0)) (.cse8 (<= ssl3_accept_~s__state~0 8496)) (.cse5 (= ssl3_accept_~s__state~0 8640)) (.cse4 (<= 8512 ssl3_accept_~s__state~0)) (.cse0 (<= 8448 ssl3_accept_~s__state~0)) (.cse2 (<= ssl3_accept_~s__state~0 8448)) (.cse11 (= ssl3_accept_~s__state~0 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse1 (<= ssl3_accept_~blastFlag~0 2)) (.cse3 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse6 (not (= ssl3_accept_~s__hit~0 0))) (.cse9 (<= ssl3_accept_~blastFlag~0 3)) (.cse10 (<= 8672 ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse3 (<= ssl3_accept_~s__state~0 8608)) (and .cse5 .cse6) (and .cse7 (<= ssl3_accept_~blastFlag~0 1) .cse8) (and (<= ssl3_accept_~s__state~0 8672) .cse9 .cse10 .cse3) (and (<= 8464 ssl3_accept_~s__state~0) (<= ssl3_accept_~s__state~0 8480) .cse1 .cse3) (<= ssl3_accept_~blastFlag~0 0) (and .cse7 .cse8 .cse1 .cse3) (and .cse1 .cse11 .cse3) (<= ssl3_accept_~s__state~0 3) (and (= ssl3_accept_~s__state~0 8482) .cse11) (and .cse5 .cse1 .cse3) (and (<= ssl3_accept_~s__state~0 8656) .cse6 .cse9) (and .cse6 .cse11 (= 8641 ssl3_accept_~s__s3__tmp__next_state___0~0)) (and (<= ssl3_accept_~s__state~0 8560) .cse4 .cse1) (and .cse0 (or (and (= 8482 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse9) (and .cse9 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3))) .cse2) (and .cse6 .cse11 .cse9) (and .cse1 (= ssl3_accept_~s__state~0 8656) .cse3) (and .cse6 .cse9 .cse10))) [2020-10-14 18:35:45,761 INFO L264 CegarLoopResult]: At program point L166(lines 165 607) the Hoare annotation is: (let ((.cse1 (= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0))) (let ((.cse5 (not .cse1)) (.cse3 (<= 8448 ssl3_accept_~s__state~0)) (.cse4 (<= ssl3_accept_~s__state~0 8448)) (.cse0 (not (= ssl3_accept_~s__hit~0 0))) (.cse2 (<= ssl3_accept_~s__state~0 8480))) (or (and .cse0 .cse1 .cse2) (and .cse3 (<= ssl3_accept_~blastFlag~0 2) .cse4 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and (= 8482 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse2 .cse5) (and .cse2 .cse5 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)) (and .cse3 .cse4 (<= ssl3_accept_~blastFlag~0 0)) (and .cse0 .cse2 (<= ssl3_accept_~blastFlag~0 3)) (and .cse0 .cse2 (= 8641 ssl3_accept_~s__s3__tmp__next_state___0~0))))) [2020-10-14 18:35:45,762 INFO L264 CegarLoopResult]: At program point L133(lines 126 620) the Hoare annotation is: (let ((.cse1 (<= 8464 ssl3_accept_~s__state~0)) (.cse0 (<= ssl3_accept_~s__state~0 8480))) (or (and (not (= ssl3_accept_~s__hit~0 0)) .cse0 (<= ssl3_accept_~blastFlag~0 3)) (and .cse1 .cse0 (<= ssl3_accept_~blastFlag~0 2) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse1 .cse0 (<= ssl3_accept_~blastFlag~0 0)))) [2020-10-14 18:35:45,762 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 18:35:45,762 INFO L268 CegarLoopResult]: For program point L629(lines 629 657) no Hoare annotation was computed. [2020-10-14 18:35:45,762 INFO L268 CegarLoopResult]: For program point L464(lines 464 468) no Hoare annotation was computed. [2020-10-14 18:35:45,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:35:45 BoogieIcfgContainer [2020-10-14 18:35:45,792 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 18:35:45,794 INFO L168 Benchmark]: Toolchain (without parser) took 88107.87 ms. Allocated memory was 145.8 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 100.9 MB in the beginning and 305.1 MB in the end (delta: -204.1 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2020-10-14 18:35:45,794 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 119.9 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-10-14 18:35:45,795 INFO L168 Benchmark]: CACSL2BoogieTranslator took 529.43 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 100.9 MB in the beginning and 177.1 MB in the end (delta: -76.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2020-10-14 18:35:45,795 INFO L168 Benchmark]: Boogie Preprocessor took 68.62 ms. Allocated memory is still 202.4 MB. Free memory was 177.1 MB in the beginning and 175.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-14 18:35:45,795 INFO L168 Benchmark]: RCFGBuilder took 875.20 ms. Allocated memory is still 202.4 MB. Free memory was 175.1 MB in the beginning and 125.3 MB in the end (delta: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 7.1 GB. [2020-10-14 18:35:45,796 INFO L168 Benchmark]: TraceAbstraction took 86628.76 ms. Allocated memory was 202.4 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 124.3 MB in the beginning and 305.1 MB in the end (delta: -180.8 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2020-10-14 18:35:45,798 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 119.9 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 529.43 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 100.9 MB in the beginning and 177.1 MB in the end (delta: -76.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 68.62 ms. Allocated memory is still 202.4 MB. Free memory was 177.1 MB in the beginning and 175.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 875.20 ms. Allocated memory is still 202.4 MB. Free memory was 175.1 MB in the beginning and 125.3 MB in the end (delta: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 86628.76 ms. Allocated memory was 202.4 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 124.3 MB in the beginning and 305.1 MB in the end (delta: -180.8 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 671]: 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: 147]: Loop Invariant Derived loop invariant: (((s__state <= 8544 && 8512 <= s__state) && blastFlag <= 2) && (!(s__state == 8544) || 8544 == s__s3__tmp__next_state___0)) || ((s__state <= 8656 && !(s__hit == 0)) && blastFlag <= 3) - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: (((((8512 <= s__state && (!(s__state == 8544) || 8544 == s__s3__tmp__next_state___0)) && blastFlag <= 2) && s__state <= 8608) && s__s3__tmp__next_state___0 <= 8576) || (((((s__state <= 8656 && 8512 <= s__state) && !(s__state == 8640)) && !(s__state == 8641)) && (!(s__state == 8544) || 8544 == s__s3__tmp__next_state___0)) && blastFlag <= 0)) || (s__state <= 8656 && !(s__hit == 0)) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (((!(s__hit == 0) && s__state <= 8480) && blastFlag <= 3) || (((8464 <= s__state && s__state <= 8480) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576)) || ((8464 <= s__state && s__state <= 8480) && blastFlag <= 0) - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: (((((((!(s__hit == 0) && 8640 == s__s3__tmp__next_state___0) && s__state <= 8480) || (((8448 <= s__state && blastFlag <= 2) && s__state <= 8448) && s__s3__tmp__next_state___0 <= 8576)) || ((8482 == s__s3__tmp__next_state___0 && s__state <= 8480) && !(8640 == s__s3__tmp__next_state___0))) || ((s__state <= 8480 && !(8640 == s__s3__tmp__next_state___0)) && s__s3__tmp__next_state___0 <= 3)) || ((8448 <= s__state && s__state <= 8448) && blastFlag <= 0)) || ((!(s__hit == 0) && s__state <= 8480) && blastFlag <= 3)) || ((!(s__hit == 0) && s__state <= 8480) && 8641 == s__s3__tmp__next_state___0) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: s__state <= 8496 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: ((s__state <= 8656 && !(s__hit == 0)) && blastFlag <= 3) || ((s__state <= 8560 && 8512 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: (((s__state <= 8544 && 8512 <= s__state) && blastFlag <= 2) && (!(s__state == 8544) || 8544 == s__s3__tmp__next_state___0)) || ((s__state <= 8656 && !(s__hit == 0)) && blastFlag <= 3) - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: ((s__state <= 8656 && !(s__hit == 0)) || (((((s__state <= 8656 && 8512 <= s__state) && !(s__state == 8641)) && (!(s__state == 8544) || 8544 == s__s3__tmp__next_state___0)) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576)) || (((s__state <= 8656 && 8512 <= s__state) && (!(s__state == 8544) || 8544 == s__s3__tmp__next_state___0)) && blastFlag <= 0) - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: ((((blastFlag <= 0 && 8672 <= s__state) || ((!(s__hit == 0) && s__state <= 8480) && blastFlag <= 3)) || (s__state <= 8448 && blastFlag <= 0)) || ((blastFlag <= 2 && s__state <= 8448) && s__s3__tmp__next_state___0 <= 8576)) || ((!(s__hit == 0) && blastFlag <= 3) && 8672 <= s__state) - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: ((s__state <= 8656 && !(s__hit == 0)) && blastFlag <= 3) || ((s__state <= 8560 && 8512 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: (((s__state <= 8656 && !(s__hit == 0)) && blastFlag <= 3) || ((8480 <= s__state && s__state <= 8512) && blastFlag <= 1)) || (((8480 <= s__state && s__state <= 8512) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: ((((((((((((((((((((8448 <= s__state && blastFlag <= 2) && s__state <= 8448) && s__s3__tmp__next_state___0 <= 8576) || (((8512 <= s__state && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8608)) || (s__state == 8640 && !(s__hit == 0))) || ((8480 <= s__state && blastFlag <= 1) && s__state <= 8496)) || (((s__state <= 8672 && blastFlag <= 3) && 8672 <= s__state) && s__s3__tmp__next_state___0 <= 8576)) || (((8464 <= s__state && s__state <= 8480) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576)) || blastFlag <= 0) || (((8480 <= s__state && s__state <= 8496) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576)) || ((blastFlag <= 2 && s__state == s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 8576)) || s__state <= 3) || (s__state == 8482 && s__state == s__s3__tmp__next_state___0)) || ((s__state == 8640 && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576)) || ((s__state <= 8656 && !(s__hit == 0)) && blastFlag <= 3)) || ((!(s__hit == 0) && s__state == s__s3__tmp__next_state___0) && 8641 == s__s3__tmp__next_state___0)) || ((s__state <= 8560 && 8512 <= s__state) && blastFlag <= 2)) || ((8448 <= s__state && ((8482 == s__s3__tmp__next_state___0 && blastFlag <= 3) || (blastFlag <= 3 && s__s3__tmp__next_state___0 <= 3))) && s__state <= 8448)) || ((!(s__hit == 0) && s__state == s__s3__tmp__next_state___0) && blastFlag <= 3)) || ((blastFlag <= 2 && s__state == 8656) && s__s3__tmp__next_state___0 <= 8576)) || ((!(s__hit == 0) && blastFlag <= 3) && 8672 <= s__state) - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: (((((8512 <= s__state && (!(s__state == 8544) || 8544 == s__s3__tmp__next_state___0)) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8608) || (((8512 <= s__state && (!(s__state == 8544) || 8544 == s__s3__tmp__next_state___0)) && blastFlag <= 0) && s__state <= 8608)) || ((s__state <= 8656 && !(s__hit == 0)) && blastFlag <= 3) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: (((s__state <= 8576 && 8512 <= s__state) && (!(s__state == 8544) || 8544 == s__s3__tmp__next_state___0)) && blastFlag <= 2) || ((s__state <= 8656 && !(s__hit == 0)) && blastFlag <= 3) - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: (((s__state <= 8496 && !(s__hit == 0)) && blastFlag <= 3) || ((8480 <= s__state && blastFlag <= 1) && s__state <= 8496)) || (((8480 <= s__state && s__state <= 8496) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: ((!(s__hit == 0) && blastFlag <= 3) || ((8512 <= s__state && (((!(s__state == 8640) && blastFlag <= 2) && s__state == s__s3__tmp__next_state___0) || ((!(s__state == 8640) && blastFlag <= 2) && s__state == 8656))) && s__s3__tmp__next_state___0 <= 8576)) || (((((s__state <= 8672 && 8512 <= s__state) && !(s__state == 8640)) && !(s__state == 8544)) && !(s__state == 8641)) && blastFlag <= 0) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((8448 <= s__state && blastFlag <= 2) && s__state <= 8448) && s__s3__tmp__next_state___0 <= 8576) || (((8512 <= s__state && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8608)) || (s__state == 8640 && !(s__hit == 0))) || ((8480 <= s__state && blastFlag <= 1) && s__state <= 8496)) || (s__state == 8640 && blastFlag <= 0)) || (((s__state <= 8672 && blastFlag <= 3) && 8672 <= s__state) && s__s3__tmp__next_state___0 <= 8576)) || (((8464 <= s__state && s__state <= 8480) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576)) || (((8480 <= s__state && s__state <= 8496) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576)) || (s__state == 8656 && blastFlag <= 0)) || ((8464 <= s__state && s__state <= 8480) && blastFlag <= 0)) || ((blastFlag <= 2 && s__state == s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 8576)) || ((8512 <= s__state && blastFlag <= 0) && s__state <= 8608)) || ((s__state <= 8672 && blastFlag <= 0) && 8672 <= s__state)) || s__state <= 3) || (s__state == 8482 && s__state == s__s3__tmp__next_state___0)) || (s__state == s__s3__tmp__next_state___0 && blastFlag <= 0)) || ((s__state == 8640 && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576)) || ((s__state <= 8656 && !(s__hit == 0)) && blastFlag <= 3)) || ((!(s__hit == 0) && s__state == s__s3__tmp__next_state___0) && 8641 == s__s3__tmp__next_state___0)) || ((s__state <= 8560 && 8512 <= s__state) && blastFlag <= 2)) || ((8448 <= s__state && ((8482 == s__s3__tmp__next_state___0 && blastFlag <= 3) || (blastFlag <= 3 && s__s3__tmp__next_state___0 <= 3))) && s__state <= 8448)) || ((!(s__hit == 0) && s__state == s__s3__tmp__next_state___0) && blastFlag <= 3)) || ((blastFlag <= 2 && s__state == 8656) && s__s3__tmp__next_state___0 <= 8576)) || ((!(s__hit == 0) && blastFlag <= 3) && 8672 <= s__state) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: ((8512 <= s__state && s__state <= 8528) && blastFlag <= 2) || ((s__state <= 8656 && !(s__hit == 0)) && blastFlag <= 3) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: (blastFlag <= 0 && 12292 == s__state) || ((!(s__hit == 0) && blastFlag <= 3) && 8672 <= s__state) - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: (((((8512 <= s__state && (!(s__state == 8544) || 8544 == s__s3__tmp__next_state___0)) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8608) || (((8512 <= s__state && (!(s__state == 8544) || 8544 == s__s3__tmp__next_state___0)) && blastFlag <= 0) && s__state <= 8608)) || ((s__state <= 8656 && !(s__hit == 0)) && blastFlag <= 3) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: ((s__state <= 8656 && !(s__hit == 0)) && blastFlag <= 3) || ((s__state <= 8560 && 8512 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: (((blastFlag <= 0 && 8672 <= s__state) || (((s__state <= 8672 && blastFlag <= 3) && 8672 <= s__state) && s__s3__tmp__next_state___0 <= 8576)) || ((!(s__hit == 0) && blastFlag <= 3) && 8672 <= s__state)) || ((s__state <= 8672 && blastFlag <= 1) && 8672 <= s__state) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 148 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 66.0s, OverallIterations: 33, TraceHistogramMax: 25, AutomataDifference: 13.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 20.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8922 SDtfs, 4558 SDslu, 7523 SDs, 0 SdLazy, 7352 SolverSat, 1102 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 208 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15014occurred in iteration=20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.4s AutomataMinimizationTime, 33 MinimizatonAttempts, 30681 StatesRemovedByMinimization, 26 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 700 NumberOfFragments, 1209 HoareAnnotationTreeSize, 33 FomulaSimplifications, 5395209 FormulaSimplificationTreeSizeReduction, 5.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 1393982 FormulaSimplificationTreeSizeReductionInter, 15.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 43.6s InterpolantComputationTime, 11102 NumberOfCodeBlocks, 11102 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 11069 ConstructedInterpolants, 0 QuantifiedInterpolants, 6144790 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 23 PerfectInterpolantSequences, 50861/51607 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...